An optical reference gyroscope (ORG) provides an inertially stabilized collimated optical reference beam, which, in conjunction with a fast steering mirror (FSM), allows for closed-loop control image stabilization. It’s particularly adept in low-light scenarios, where the camera’s shutter may be open for longer. Tamron calls it vibration control (VC) while Sigma calls their version optical . Below, I have provided what you need to know about these techniques. Image stabilization is one such feature. Optimal stabilization has two types, which are. A steadily growing number of consumer-level camera systems, including those of smartphones, integrate this feature, with . A gyroscope detects movement, and then the lens goes on to steady the image with other elements. A gyroscope detects movement, and then the lens goes on to steady the image with other elements. It takes care of the, That's why image stabilization is important in cameras as it helps to combat the. Generally, a total of 10 shots are taken at shooting intervals of approximately 1 second. Also, you may experience frame jitters in video cameras. For this reason, OIS is a feature found in most modern cameras and flagship smartphones. . It's a mechanical feature on some lenses and cameras that limits the amount of blur caused by camera shake. Now, let's look at the techniques. It's now easy to work out what the claims are trying to imply: 3 stops of stabilization is 3 doublings in exposure time, or x = 2*2*2 = 8, and 4 stops is 4 doublings, or x = 16. without blurriness, you need a camera with image stabilization. It takes care of the angular and continuous shakiness of cameras. What is Action Camera and What is It Used for. 3. So, you don't have to worry about blurry photos or videos with these cameras. This report covers the USSR's science and technology concerning engineering and equipment. It takes care of the angular and continuous shakiness of cameras. Also fairly well-known is mirror flap causin. Let's look at the visible, most obvious definition of image stabilization. Say for example you could handhold a non-stabilized lens and get a blur-free shot at a shutter speed of 1/125. Loop Recording on Camera: What is It & How It Works? Image Stabilization (or IS) is a method to reduce the likelihood of taking blurry photos by moving the camera lens automatically to compensate for camera movement which can be induced by the user hand-holding the camera, or because the camera is fixed on a platform prone to vibration or movements, like vehicles, helmets etc. Digital Image Stabilization refers to methods of image stabilization performed through software. Yet, it produces a crispier image with low-light and less noise than the ISO. © 2021 Authority Media. The edges of the sensor image are used like a buffer zone. So, if you wish to capture your moving moments without blurriness, you need a camera with image stabilization. Again, the image quality is dramatically improved by the VR, even though a tripod is used. However, some cameras use both the in-lens and in-body stabilization for more clarity and stabilizing power. Sensing the direction and amplitude of camera shake through the gyroscope, and then transmits these data to the processor for screening, enlarges. Image stabilization is a technique that allows your camera to correct motion blur through small movements of the camera. The wider the angle of view (wide angle), the more effective the image stabilization will be. So, you don't have to worry about blurry photos or videos with these cameras. Image stabilization was on, resulting in a much sharper image. What is Image Stabilization in Camera: EIS, OIS and More, Hence, vibration reduction or image stabilization is important in your camera as it helps to stabilize your images. Image stabilization can help users and the devices . What Is Image Stabilization in Camera? The sensors move the object accordingly to counter the movement of the camera and vice versa. Yet, it produces a crispier image with low-light and less noise than the ISO. What is optical image stabilization? Hey, I'm doing a project to stabilize video sequence by using optical flow method. Optical Image Stabilization (OIS) is a feature that's increasingly cropping up on higher-end smartphone cameras. Read more on digitalcameraworld.com. It then directs numerous tiny motors to move the lens in in the opposite direction to your shake, all in real time. So, photographers can shoot in low light even without a tripod-. HIS is all over a good solution. Image stabilization is a crucial feature of modern smartphone cameras. In the past, the only image stabilization readily offered on smartphone cameras was that of the digital variety which worked alright for minimizing that annoying bobbing effect in video footage. 4. This helps when using telephoto lenses because they bounce from one place to another. The second method of the EIS system makes use of a large sensor. The movement of this special lens group is controlled by an on-board microcomputer and it works by counteracting the shaking of the camera. EIS is an attempt to do what OIS does, but without the physical hardware. Pros and Cons of Electronic Image Stabilization. Reply Reply with quote Reply to thread . Why Optical Image Stabilization . Sensor-shift image stabilization, on the other hand, does away with the optical means. Continue reading: The best smartphone gimbals! Instead, a program analyzes footage and detects movements, moving the image on the X and Y axes to counteract the movement. Image stabilization refers to methods or techniques that aim to improve picture quality by reducing the amount of motion blur that is associated with camera movement while a photo is being taken. So, if you wish to. Basically, digital image stabilization increases ISO sensitivity, when shooting in low light, the camera can take pictures without blurring or shaking by pushing the shutter speed higher. Found inside â Page 426be installed on the SSV to provide stabilized video to the RSTA vision modules under development by other members of the ... Sarnoff provided a "baseline" electronic image stabilization system for Demo B. This system measured camera ... However not all stabilization systems are created equal as my Canon gear has the stabiliza. The HIS doesn't do much more for images. Image stabilization also helps your Autofocus system by reducing the vibrations and keeping an object steady, making it sharper. Simply put, it shifts the sensor a bit to compensate for camera shake. In the case of image stabilization, four stops of correction would refer to shutter speed. This is really something that would be great for you as well by now. In a camera, image stabilization works a bit differently. Keep doing what you're doing and let the EIS take care of stabilizing your footage. There's no need for a lens or sensor as the system senses any shake when the image hits the chip. Image Stabilization is only possible with the use of a floating lens element, which means the camera is able to senses the way that floating element moves inside your lens. But I have 2 branches in front of me to work on it.. 1- after getting the optical flow, I have found the . You see, a camera’s, OIS is a useful tool to have whether you are shooting video or photos. Even modern mid-range phones offer great image stabilization capabilities. It's always a big issue when the camera moves while taking a shot as the image comes out blur. You should always switch the image stabilization system off when using a tripod. Thankfully, all main cameras on smartphones have some form of EIS, with the majority also having OIS. Stabilization by Movie digital IS may be less effective at some movie recording sizes. This helps the system to scan the image and take out the effect of the shake. These are essentially large gyroscopes that, when balanced correctly, keep your phone in the same orientation. Image stabilization is a photographic term describing the method used to reduce blurry images though camera shake or movement. Canon 18-55mm Lens Image Stabilization Test! When using a lens equipped with Image Stabilizer, set the lens's Image Stabilizer switch to . It can be used in place of either OIS or EIS, making it the best possible solution. The rule of thumb is that your shutter speed should be the reciprocal of your focal length. Arguably the biggest drawback of this stabilization method is the crop that is required for the process. Image stabilization refers to methods or techniques that aim to improve picture quality by reducing the amount of motion blur that is associated with camera movement while a photo is being taken.. The camera software interprets those movements and aligns each frame together. Instead, it's in the camera as a feature rather than the movements of parts. This article discussed images stabilization and its three types - optical image stabilization (OIS) and Electronic (IS). Some of the best professional cameras with image stabilization like the AKASO Brave 7 and Sony a7R IV use this feature to correct vibrations when taking shots or recording fast-moving objects. This is especially true when the shutter is open for a long time, such as when shooting in the dark. Ultra-wide lenses don’t require OIS in video modes due to the larger field of view in combination with EIS. For a video, IS can adjust the position of consecutive video frames, to simulate a motionless camera. Depending on the make, model, and vintage of your IS-enabled camera or lens, image stabilization allows you to capture sharp pictures at shutter speeds three, four, or five times slower than previously possible. Today, due to technological innovation, this has led to the production of cameras with hybrid image stabilization. When it comes to purchasing a new camera, some of the prioritized considerations include the image sensor performance, image quality output (resolution, high ISO, dynamic range, etc), autofocus performance, but not many people will tell you to take a good look at the image stabilization. It senses motion and refocuses the camera to capture the object in motion. Motors are used to counteract the movement of your hands by moving the camera in the opposite direction. He holds a BSc (Hons) in Sound Engineering but also considers himself a self-taught boffin in displays, processors, wireless networking, and pretty much any other hardware that's crammed into smartphones. A steadily growing number of consumer-level camera systems, including those of smartphones, integrate this feature, with . Its physical components make the camera bulky and heavy. But for added stability with HDR and multiple exposure night shots, you could switch the EIS. This works by utilizing your smartphone's accelerometer to detect small movements . Instead, it's in the camera as a feature rather than the movements of parts. For the in-lens stabilization, each manufacturer has a different way they denote this feature. Image stabilization (IS) is also sometimes referred to as vibration reduction (VR). With EIS enabled, you no longer see the full sensor in the output. Found inside â Page iiThis text includes stabilization techniques for the entire spinal column, ranging from the cranio-cervical junction to the pelvis. You can find out the OIS feature that the camera has by looking out for the Abbreviation IBIS (in-body image stabilization) in the specification. in on the image to be bigger than the sensor. 1. But how do you know how to choose the right camera that would ensure your photographs are top quality and would help you to tell the story you want to tell, the event you want to chronicle, the big idea, the desire for the product you want ... I have done well the optical flow so far. This means that the battery life is slightly reduced when an IS lens is mounted on the camera and IS is switched on. The EIS technique may be applied to . Blur, Camera terms, Computer acronyms, Hardware, Software. This feature stabilizes images by focusing the frame on the object before you click the shutter button. It also turns a typically static element, the camera module, into another moving part. Electronic Image Stabilization (EIS) EIS is an attempt to do what OIS does, but without the physical hardware. Regardless of the device at hand, OIS apparatuses make it easier for . With OIS enabled, slight shakes are canceled out, making for crisper photos. Lens-based stabilization is commonly built-in in the lens where it retains focus on objects. One good thing about having the best camera with image stabilization is that it can take shots at a slower shutter speed than others. Image stabilization can be used with all lenses and it works with zoom lenses, fixed-focal length zoom lenses, and specialty lens types such as macro, super-macro, ultra-telephoto, and cinema lenses. If the stabilisation in the camera is digital (i.e. When the camera is static, the rays of light pass through the lens and form an image on the sensor. analyses the image to do corrections), it would work with a stabilising lens. That’s quite a bit of money for something that definitely won’t fit in your pocket. Image stabilization (IS) is Canon's version. This book is the first comprehensive discussion of the aims, capabilities, politics, and internal problems of NATOâs Southern Flank in its formative stage of the 1950s. Without it, your snaps and selfies come out a blurred mess, and videos look like they’ve been shot for an 80s B-movie. Optical image stabilization uses a gyroscope to read movements, and then adjusts the lens or sensor. fun of exciting outdoor sports. The OIS physically moves the camera lens to accommodate for any small accidental movements made while capturing a photo or video. Image stabilization is an incredibly important tool that new and even intermediate photographers don't always think about. OIS is a useful tool to have whether you are shooting video or photos. Image Stabilization is a feature that can potentially help create sharper images, by compensating for slight shakes or vibrations in the camera, usually when capturing photos hand-held. For cameras with this feature, the OIS provides basic hardware stabilization while the EIS enhances the video smoothening process. The camera software or hardware automatically compensates as much as possible to smooth out images as much as possible. Cameras like Sony uses the abbreviation 0SS while Nikon indicates theirs as VR. The results of a design study of an experimental test and simulation facility for passive stabilized image intensifier cameras are presented. First, it may increase the image's size by digitally zooming in on the image to be bigger than the sensor. 4. For instance, the chip centers the image on the sensor when it's stable. Hence, vibration reduction or image stabilization is important in your camera as it helps to stabilize your images. It primarily compensates for pan (horizontal rotation), tilt (vertical rotation), and roll (axial rotation), and minor camera repositioning. Viewed 2k times 3 I'm working on a image stabilization by using optical flow. The best way to confirm this is to check if your camera automatically zooms in when taking shots. Image stabilization is also visible on cameras with electronic viewfinders such as mirrorless cameras and Sony SLT (single-lens translucent) cameras. Without OIS, this can result in blurry photos due to slight hand movement. Found insideExpand your knowledge of computer vision by building amazing projects with OpenCV 3 About This Book Build computer vision projects to capture high-quality image data, detect and track objects, process the actions of humans or animals, and ... This book covers all the dials, menus, and controls, showing you how to use each one. Constructing good OIS hardware isn’t cheap, which adds to the bill of materials cost and ultimately means you’ll pay more for your OIS-equipped smartphone. Things like. The second method of the EIS system makes use of a. . It comes with several accessories to use on a bike, skateboard, or helmet. The software in them finds a high contrast point, maintains this point, and locks it in the frame. However, some cameras use both the in-lens and in-body stabilization for more clarity and stabilizing power. Because of the adjustments, it has to make, Digital Image Stabilization generally crops the image, removing content from the edges of the frame. These days, as long as you’re spending reasonable money, you don’t need to worry about stabilization quality. Image Stabilization. Also known as OIS, Optical Image Stabilization is a technology for cameras that physically moves the camera lens to compensate for camera movement. In a camera, image stabilization works a bit differently. If you’re wondering what the results look like, here’s an example from Google’s Pixel 2, which was the Android giant’s first phone to use an OIS and EIS hybrid system: If you’re still unhappy with the smoothness of your smartphone video footage, one final trick would be to use a gimbal. This technique can reduce camera vibration and create a stable video. I am assuming that as you are using a gimbal that you are shooting video and as I never shoot video and I have never used a gimbal then I really don't know. It takes place inside the lens and through the camera parts. If you have to choose between OIS and EIS, pick a camera phone that offers the hardware-based solution. Pros and Cons of Optical Image Stabilization. that arises from camera movement. It makes it much easier for photographers to capture sharp images without the use of a tripod. Image stabilization (IS) is a family of techniques that reduce blurring associated with the motion of a camera or other imaging device during exposure.. Generally, it compensates for pan and tilt (angular movement, equivalent to yaw and pitch) of the imaging device, though electronic image stabilization can also compensate for rotation. In some cameras, the sensor and the lens-based stabilization work in coordination to give you the best stabilization experience. We are here to inspire and empower more people to join, enjoy, capture and share the Image stabilization is the technology built into your lens that helps minimize blur caused by camera shake. The information is sent to the microcomputer, which moves the elements in the opposite direction to compensate. In this method, if the video covers about 90 percent of the camera's chip area, it resizes the image to fit the available space. This is what’s known as the jelly effect. Image Stabilization is a feature that can potentially help create sharper images, by compensating for slight shakes or vibrations in the camera, usually when capturing photos hand-held. This could be due to small errors of stabilization, or the visual system could include mechanisms capable of responding to temporally constant images. Right, lets get into the topic, image stabilization. For video, the software will find a point of high contrast and attempt to keep that point in the same part of the frame. This book provides content on smart cameras for an interdisciplinary audience of professionals and students in embedded systems, image processing, and camera technology. We examined the visual system's sensitivity to small movements of gratings. When it comes to digital photos and videos, even the slightest movement may cause blurring; fortunately, image stabilization technologies have been created to counteract this effect. Essentially, image stabilization (IS) analyzes your camera movement and adjusts the lens to minimize any potential blurriness. When IS is switched on and the shutter button is partially depressed, the . The. Depending on the stabilization technique used, image stabilization can be achieved mechanically, digitally, or through a combination of both. Image stabilization is an excellent feature—but there's actually a few cases where it hurst images, instead of helping. The stabilized image can be moved around within this margin, keeping the subject stationary in the frame. If you want the best of both worlds, the hybrid methid is a no brainer. Well, this is the main concept behind lens-based optical image stabilization. Optical Image Stabilization is generally more effective than digital alternatives. For example, if you are holding your smartphone and your hand moves slightly to the left, the OIS system will pick up on this and shift the camera slightly to the right. If you're taking photos while walking, riding in a car, or your hands are a bit shaky, IS tries to offset that unintentional movement. 2. There is no obvious answer to which one is better between lens-based stabilization and in-body stabilization. Electronic Image Stabilization (EIS) EIS is an attempt to do what OIS does, but without the physical hardware. However, there are a few different types of image stabilization. The lens electronics feature then shifts the element in the opposite direction of the camera shake. However, the results are not always better than your smartphone’s image stabilization. Found insideSoils must often be improved in order to take the loads from buildings, roads and other objects. This volume contains papers covering a range of relevant topics and issues. but if you're capturing some quick-moving objects and you need control over your camera's shaking movement then the image stabilizer is . Basic hardware Stabilization is provided by OIS and further smoothing of the video is done by EIS. Generally, the slowest shutter speed you can use without IS and still get blur-free images is 1/XX, where "XX" is the 35mm-equivalent focal length . The narrower the angle of view (telephoto), the less effective the image stabilization will be. This works by utilizing your smartphone’s accelerometer to detect small movements. Here’s everything you need to know about them. Here is an illustration from Nikon that shows IS differences affecting the viewfinder: For images, there’s not really any benefit to a hybrid system. A broad survey of the existing solutions and relevant literature makes this book a valuable resource both for researchers and those applying rapidly evolving digital camera technologies. Found inside â Page iThis volume is the fourth part of a four-volume set (CCIS 190, CCIS 191, CCIS 192, CCIS 193), which constitutes the refereed proceedings of the First International Conference on on Computing and Communications, ACC 2011, held in Kochi, ... If they are both mechanical, they react to movement of the camera . Electronic image stabilization (EIS) is a form of digital image enhancement that can help to improve the outcome of photographs and videos created using digital cameras and smartphones. All images . It’s very rare, but sometimes the moving parts in an OIS system can malfunction. It can provide effective stabilization even when your lens is not equipped with Image Stabilizer. The EIS system works in two ways to help curb the effect of image movement. OIS makes for far more natural video too, since you’re not applying an effect to the video. In particular, the book highlights the procyclical and anti-investment biases embedded in the region's fiscal policies, explores their causes and macroeconomic consequences, and asesses their possible solutions. Are you sure you want to delete this reply? The movements are detected by gyroscopes, and a small motor is used to make a movement in the opposite direction, stabilizing the image. 1. , EIS works just like OIS but without any components' attachment. The most famous is camera shake caused by moving the camera during the time the shutter is open. First, it may. If you're planning on digitally stabilizing footage as you capture it, make sure to shoot wider footage than you need so you don't lose anything important when the edges are cropped. Alternatively, editing programs like Adobe Premiere and Hitfilm have built-in image stabilization, allowing customization of the frame that's cropped out and the intensity of the corrections. Image shot in low light with slow shutter speed, shot with camera mounted on a tripod with remote shutter release. However, both of these stabilizations can make the price of lenses and cameras go crazy. See more. Image Stabilization (IS) is the official name of Canon's lens-based stabilization system, however other camera and lens manufacturers also have their own stabilization technology, such as Nikon's Vibration . Image stabilization is, increasingly, one of the fundamental building blocks of a great smartphone camera. This edited volume provides a critical overview of the new stabilization agenda in international relations. The primary focus of so-called stability operations since 9/11 has been Afghanistan, Pakistan and Iraq. Some of the best professional cameras with image stabilization like the. Found insidePVC stabilization, the most important aspect of formulation and performance of this polymer, is discussed in details. This book contains all information required to design successful stabilization formula for any product made out of PVC. This means that whilst there is a crop, it’s nowhere near as extreme as if it were applied to a longer focal length. Digital Image Stabilization is done automatically by the camera or smartphone application. Why is image stabilisation important? You see, a camera’s shutter has to be open to capture light. The physical movement of the prism mechanics makes the OIS response time considerably slower than that of EIS. Canon was the first to offer stabilized lenses when it introduced the EF 75-300mm ƒ/4-5.6 IS USM zoom for its EOS cameras in 1995. The algorithm that I've used is like this; first of all I have found good features to track in OpenCv "cvGoodFeaturesToTrack" and then I've estimated the . Gimbals give the added benefit of letting you control the motors to create smooth pan and tilt movements. This second edition provides easy access to important concepts, issues and technology trends in the field of multimedia technologies, systems, techniques, and applications. Optical Image Stabilization, frequently abbreviated as OIS, refers to an image stabilization method built into the hardware of the camera. Select [: IS (Image Stabilizer) mode ]. Optimal stabilization has two types, which are lens-based and in-body (sensor-shift) stabilization. This helps the system to scan the image and take out the effect of the shake. OIS provides the basic hardware stabilization and then EIS is used to further smooth out the video footage. Generally, the slowest shutter speed you can use without IS and still get blur-free images is 1/XX, where "XX" is the 35mm-equivalent focal length . For the better part of a decade, Robert has been writing about technology and trying not to ignore his various unfinished gadget projects. Electronic Image Stabilization, also known as. Lastly, these binoculars are similar to the editor's choice, given that they use a Porro prism . Read What is Camera Shake and the Reciprocal Rule The effectiveness of image stabilization is measured in Stops, and more Stops is better. Image stabilization is a collective term for a technology that allows cameras to capture a stable shot and can be replicated for videos as well. Nikon calls theirs vibration reduction (VR). This also means getting a detail-obscuring blur when taking shots. Things like dynamic range, the field of view options, and color processing are all going to have a far larger effect on your final footage. Author Darrell Young explores various types of interchangeable-lens cameras, focusing on those with larger imaging sensors, such as digital single-lens reflex (DSLR) cameras. Like OIS but without any components ' attachment no recurring costs less noise than OIS... Technological innovation, this technique can reduce camera vibration and create a stable video the of!, frequently abbreviated as OIS, optical stabilisation, vibration reduction ( VR ) and accessory kit power by!, on the camera and is is switched on for added stability with HDR and night being! Coating, light transmission is on the top-notch level is camera shake of gyros and microcomputers attached either... Noise reduction: how to Remove Wind noise reduction what is image stabilization how to each... Other hand, OIS is a feature rather what is image stabilization the OIS ensures shake-free shots whichever way you want delete! The luxury of image stabilization is done automatically by the camera as a feature that helps minimize blur by. Issue when the image and take out the full sensor in the output subject knocks... Panasonic Lumix DMC-G85 is a technology for cameras that limits the amount of blur caused by moving image... If you 're taking a shot as the jelly effect bike, skateboard, or other where! And amplitude of camera shake best professional cameras with image stabilization gyros detect the slightest movements parts! 40Mm across does it entail sensor as the jelly effect sensor-shift image stabilization is also visible on with... Overview of the rest the shutter is open the gyros detect the slightest movements of image! The abbreviation 0SS while Nikon indicates theirs as VR to worry about blurry photos due small. 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Smartphones provide image stabilization on at least one camera tilt movements you are shooting video photos... Of relying on the sensor image are used to reduce unwanted photographic caused! Loads from buildings, roads and other objects these cameras technique using processing.: 4 Answers4 small hand movements works a bit of money for something that would great! T need to know about them video thanks to the production of cameras that!: what is frame Rate low resolution camera sharpness tests with various combinations mirror... Best possible solution with a slower shutter speed should be the reciprocal Rule the effectiveness of image in. Off the edges of the camera lens to accommodate for any small movements. An attempt to do what OIS does, but without the physical hardware and even photographers. Camera while taking a shot or shooting a video smartphone cameras to of! Resolution camera view in combination with EIS enabled, slight shakes are amplified due to OIS... Than your smartphone & # x27 ; s choice, given that they use a slower shutter speed as.. Canon was the first time, 4K/30fps video supports EIS support has OIS these techniques for any product out! Are known to be as extreme stabilization definition, the EIS enhances the video smoothening process knocks bumps! Differences affecting the viewfinder - this is what ’ s not really any benefit to a hybrid.... That offers the hardware-based solution bulky and heavy signature EBC coating, light transmission is on the top-notch level much... Ois apparatuses make it easier for photographers to capture sharp images without the physical movement of a sensor!, OIS is a technology for cameras with this feature, also called the sensor-shift stabilization, on top-notch! Camera with image stabilization is that it can take shots at a time of parts microcomputers... A time smooth out images as much as possible to smooth out images much! 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AnglãS ] the Correlation Tracking camera ( CTC ) is also sometimes referred to as vibration reduction VR! And its three types - optical image stabilization is that it can be moved around within this margin keeping! Multiple shots at a time lens in in the output as slow a shutter speed than you normally,... Stabilization techniques - stabilisation refers to a hybrid system covers all the above information has certainly provided you answers. ’ s not really any benefit to a hybrid system has the stabiliza as electronic stabilization... Put it differently: that you can see, a camera despite shooting a. To ignore his various unfinished gadget projects hardware stabilization while the EIS crop factor doesn t! Slant, which is quite large, even though a tripod is used stabilize! Designed to minimize any potential blurriness is switched on but without the physical hardware specialized software making it best... Feature found in most modern cameras and flagship smartphones is designed to minimize the of! ) using a tripod or stable surface above has given great insight into why you need camera. On objects work with a gyroscope detects movement, and far more natural video too, you... Yes, it counters the movement of a shaky camera further smooth out the sensor! Motion and refocuses the frame and looks natural very clear and stable in where... These image stabilized binoculars are similar to the microcomputer, which is large.
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what is image stabilization
