camera electronic | camera zoom

The exception is the Micro Four Thirds system, which is a lens format shared by Olympus and Panasonic, and utilized by more specialized cinema cameras made by companies like Blackmagic. The MFT sensor format is a 4:3 aspect ratio, as opposed to the 3:2 ratio used by most SLRs, and slightly smaller.
Vlogging can be a fun way to tell your stories, get your creative juices flowing, or even earn a living. Whether you are looking to make vlogging your career or just wanting to make funny videos to entertain your friends, there is a camera out there for you! And remember that if you’re having trouble making up your mind, renting a camera can be just the way to get started. Taking a bunch of different cameras for a spin before dropping cash on one is a great way to be sure that you’re getting exactly what you want and have confidence in your purchase.
Some iOS users have discovered the Camera app has been disabled through the devices Restrictions, preventing the camera icon from appearing on the home screen and also from being accessed from other applications.
The EOS Rebel T6i (Called the EOS 750D outside the US) may have just been by the EOS Rebel T7i / 800D last year, but is still a great option if the price of the newer model puts you off. While the sensor isn’t quite as good as the one in the newer T7i despite sharing the same resolution, it’s still very good, while the vari-angle touchscreen is still one of the best around. AF performance could be better though, but overall this is still a very capable entry-level DSLR. 
Film SLRs have advantages and can be far more durable and resistant to extreme environments. They require much less care and batteries last for years. Some do not even need batteries to operate, although you loose metering and autofocus obviously. They are not prone to sensor-dust (or film-dust) because a new frame is used for each shot.
A digital camera is a hardware device that takes pictures like a regular camera, but stores the image as data instead of printing it to film. Many digital cameras are capable of recording video in addition to taking photos. The picture is of a Casio QV-R62 with 6.0 Megapixel resolution, an example of a typical digital camera.
Jump up ^ Ariffin, Aswami; Choo, Kim-Kwang Raymond; Slay, Jill. Thomborson, C.; Parampalli, U., eds. “Digital Camcorder Forensics” (PDF). Conferences in Research and Practice in Information Technology. 138. Retrieved October 22, 2013.
Obviously, the more features you want, the more you’ll pay, but do you actually need them? Our top camera is one of the cheapest on the market, but still offers impressive performance and image quality, plus enough features to handle most assignments, especially if you’re still learning.
Resolution: A camcorder’s resolution indicates the number of pixels that are in the footage. The higher the resolution, the more clear or detailed the footage will be. Some digital camcorders offer 4K resolution, which is 4 times the resolution offered by Full HD.
Digging through these reviews led us to a shortlist of 10 or so models that fit our criteria. (As an aside, video cameras are rather odd ducks when it comes to how the companies name them. Based on the name, you might assume that the Canon Vixia HF R500 and the Canon Vixia HF R52 are very different products. They aren’t; the only significant difference is that the R52 includes 32GB of built-in memory and a WiFi interface. Otherwise, the two models are identical even sharing the same manual.)
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Mohamed, I recommend looking at YouTube channels like Frugal Filmmaker and Indy Mogul for cheap and do-it-yourself lighting ideas. You will need to give a little thought to your set up (Google “three point lighting”) but you don’t have to spend a lot of money.
Step back a decade and there was no comparison at all between the rough and clunky snapshot cameras on cellphones and even the most mediocre compact digital cameras. While the digitals were boasting ever-increasing numbers of megapixels, cellphones took crude snaps little better than the ones you could get from a basic webcam (1 megapixel or less was common). Now all that’s changed. The Canon Ixus/Powershot digital camera I use routinely is rated at 7.1 megapixels, which is perfectly fine for almost anything I ever want to do. My new LG smartphone comes in at 13 megapixels, which (theoretically, at least) sounds like it must be twice as good.
Action cams are designed and marketed as cameras that can be strapped to your chest when you go skydiving, taken underwater, or suction-cupped to the front of your surfboard. But that’s not all they’re good for. Action cameras are small in size but pack a huge punch when it comes to features, video quality, and durability. If you are the type of vlogger who wants to take video of yourself swimming in a waterfall—and then talk about it on your vlog afterward—an action cam may be perfect for you.
My only concern is that I don’t see any AC power option. I want to be able to set this camera up for an event, hit Record and let it run for 3 hours or more while I perform on stage. Wal-Mart has this unit in a pretty complete kit including a 64gb memory card which will hold more than 3 hours of high-quality video. It doesn’t appear that the batteries can handle that. My old units always came with a charger/AC power supply. ???
Video cameras were invented early in the 20th century for television use, and by the end of the century, people could buy digital video cameras, which can almost immediately display the image. Video recorders that could record the image on magnetic tape were created in the middle 20th century.
If you like your phone and would rather just use that but you’re concerned about the built-in audio, you might want to explore something like this. It appears that LG uses the CTIA/AHJ standard required for connecting an external mic. http://www.ikmultimedia.com/products/irigmic/
All of the video cameras produced excellent quality video in bright light, recording full HD at 1080p. They capture 60 frames of video a second, which translates into smoother motion and cleaner looking footage. The Panasonic was by far the best looking of the lot, with deeper, more saturated colors and better detail than the competition. This was the case across the board in most of our tests: the video from the Panasonic looked more realistic, had more accurate color, and smoother motion.
Jump up ^ JEIDA/JEITA/CIPA (2010). “Standard of the Camera & Imaging Products Association, CIPA DC-009-Translation-2010, Design rule for Camera File system: DCF Version 2.0 (Edition 2010)” (PDF). Archived from the original (PDF) on 2013-09-30. Retrieved 2011-04-13.
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A handful of iPhone users have discovered their Camera app icon has gone missing after updating iOS to the latest version. Why the Camera mysteriously disappears after updating iOS isn’t always clear, but it’s typically an easy fix using one of the methods outlined below.
I got frustrated after trying to turn things off in the settings of the V770 without any results. I decided to reboot the Popcorn Hour. And all of a sudden it was able to play the 1080/50p and 1080/28p MP4’s! There is about a second of freezing before it plays, but after that it plays smoothly.
Digital technology emerged with the Sony D1, a device which recorded uncompressed data and required a large amount of bandwidth for its time. In 1992 Ampex introduced DCT, the first digital video format with data compression using the discrete cosine transform algorithm present in most commercial digital video formats. In 1995 Sony, JVC, Panasonic and other video-camera manufacturers launched DV, which became a de facto standard for home video production, independent filmmaking and citizen journalism. That year, Ikegami introduced Editcam (the first tapeless video recording system).
A GoPro, on the other hand, is much tougher, smaller, and lighter. So you can strap it to yourself, jump out of an airplane or down a mountain or into the ocean, and not worry about it getting destroyed. So it’s more “set it and forget it” while you focus on not wiping out on a black diamond run.
With the larger sensor comes a shorter zoom. For the most part you’ll see models with short 2.9x (24-70mm) reach, or the slightly longer 4x lens (25-100mm). These lenses tend to capture a good amount of light throughout their range and the optics required to do that necessitate a large front element and short zoom range.
Single-shot capture systems use either one sensor chip with a Bayer filter mosaic, or three separate image sensors (one each for the primary additive colors red, green, and blue) which are exposed to the same image via a beam splitter (see Three-CCD camera).
Most phones are perfectly competent at this. I would just make sure it is stabilized in some way (a product that may interest you is the DJI Osmo Mobile Gimbal Stabilizer for Smartphones – https://www.borrowlenses.com/product/dji/DJI-Osmo-Mobile?INTPR=BLOG-BL-COMMENTS-YOUTUBE). Sound is also a concern, so you may want to consider a simple microphone if you’re not just setting your videos to music.
Of course, where smartphone cameras really score is in the “smartphone” department: they’re computers, in essence, that are pop-in-the-pocket portable and always online. So not only are you more likely to capture chance photos (because you’re always carrying a camera), but you can instantly upload your snaps to the aptly-named Instagram, Facebook, or Twitter. And that’s the real reason why smartphone cameras have surpassed old-school digitals: photography itself has changed from the digital-equivalent of the 19th-century Daguerreotype (itself a throwback to the portrait paintings of old) to something more off-the-cuff, immediate, and, of course, social. For the purposes of Facebook or Twitter, often viewed on small-screen mobile devices, you don’t need more than a couple of megapixels, at most. (Prove it yourself by downloading a hi-res image from Instagram or Flickr, and you’ll find it’s seldom more than a couple of hundred kilobytes in size and 1000 megapixels or less in each dimension, making less than one megapixel in total.) Even on better photo-sharing websites like Instagram and Flickr, most people will never be browsing your photos in multi-megapixel dimensions: they simply wouldn’t fit on the screen. So even if your smartphone doesn’t have masses of megapixels, it doesn’t really matter: most people flicking through your photos on their smartphones won’t notice—or care. Social media means never having to say you’re sorry you forgot your DSLR and only had your iPhone!
I don’t know if we can help with the former, but with the latter, we really do like the Panasonic V750—that’s why we spend thousands of words talking about how good it is for most people, especially for those trying to video their kids from a good distance away.
Special uses of video cameras include systems that capture images at the finish line to time races and sporting events. Some toll roads use video cameras to make pictures of the license plate of any car that fails to pay tolls. Computers then identify the drivers and mail enforcement letters to collect the missed tolls.
Camera phones, or more specifically, widespread use of such phones as cameras by the general public, has increased exposure to laws relating to public and private photography. The laws that relate to other types of cameras also apply to camera phones. There are no special laws for camera phones. Enforcing bans on camera phones has proven nearly impossible. They are small and numerous and their use is easy to hide or disguise, making it hard for law enforcement and security personnel to detect or stop use. Total bans on camera phones would also raise questions about freedom of speech and the freedom of the press, since camera phone ban would prevent a citizen or a journalist (or a citizen journalist) from communicating to others a newsworthy event that could be captured with a camera phone.
Those are both cameras designed for tough use. For people to take skydiving and whitewater rafting and stuff. They should be able to handle whatever your 7yo can throw at them! They might not have all the same fancy video features as the Canon for video recording, and the Sony has no zoom at all, while the Panasonic has a pretty short one—but you know they can be beat up without any real trouble.
Sensor: Full-frame CMOS | Megapixels: 24.3MP | Autofocus: 51-point AF, 15 cross-type | Screen type: 3.2-inch tilting, 1,229,000 dots | Maximum continuous shooting speed: 6.5fps | Movies: 1080p | User level: Intermediate
Look, this Linnnzi digital camera only snaps 12-megapixel pictures and it only has a digital-zoom option. (Optical zoom changes lens positioning without sacrificing clarity; digital “zoom” simply enlarges the pixels, creating the appearance of a closer shot, but really is just sacrificing image quality.) And its battery life isn’t great. But guess what? Most kids don’t care about CMOS sensor quality and focal lengths; they care about snapping lots of funny pictures, and the simple design of this camera allows a youngster to do that without assistance from mom or dad. Also, this thing is waterproof down to three meters and won’t break if dropped from several feet off the ground, so you won’t be throwing money away when you hand it over to your aspiring Ansel Adams.
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There’s more to quality than just the dimensions of the video! The Panasonic has a larger sensor than your iPhone, which should (theoretically) allow for better video recording quality regardless of 1080p or 720p for features like low light performance and dynamic range. However, and pretty obviously, you’ll see the difference when you blow them up big.
Sensor: Full-frame CMOS | Megapixels: 30.4MP | Autofocus: 61-point AF, 41 cross-type | Screen type: 3.2-inch touchscreen, 1,620,000 dots | Maximum continuous shooting speed: 7fps | Movies: 4K | User level: Expert
If you’re buying your first DSLR, it makes sense to buy it as a kit, which generally includes the camera body along with an 18-55mm lens. Often referred to as a ‘kit’ lens, this covers a pretty broad zoom range, perfect for everything from landscapes to portraits, but that’s just the start. 
Once you’ve collected your favorite images, you might want to retouch, manipulate or totally transform them with the latest photo editing software. Choose the right software, and you’ll be able to brighten colors, sharpen edges, organize your photos, and join online communities to get feedback from other photographers.
The imager converts light into an electrical signal. The camera lens projects an image onto the imager surface, exposing the photosensitive array to light. This light exposure is converted into an electrical charge. At the end of the timed exposure, the imager converts the accumulated charge into a continuous analog voltage at the imager’s output terminals. After the conversion is complete, the photosites reset to start the exposure of the next video frame.
A movie camera or a video camera operates similarly to a still camera, except it records a series of static images in rapid succession, commonly at a rate of 24 frames per second. When the images are combined and displayed in order, the illusion of motion is achieved.[6]
What about mirrorless cameras? While most people who are getting into photography think they want a DSLR, many should consider mirrorless options as well. Mirrorless cameras are becoming wildly popular among photographers because they pack in many of the features of a DSLR in a much smaller body. Many professional photographers, especially those who haul their gear around, have given up DSLRs entirely for the back-saving size of a mirrorless. You’ll notice some mirrorless cameras in our suggestions below. We’re including them because they function a lot like a DSLR but come in a much smaller package and they’re definitely worthy of spots on this list!
Actually, I really don’t need that feature, and I reckon I’d be paying for it if I went with the v850. Someone told me to go with the v850 anyway, because it’s a newer series than the v700 series (even though the v850 has been out there longer than the v770). Any truth to that? I just really don’t want to regret my choice.
So I’ve come to this blog posting about 5 times already. I haven’t purchased a camera in almost 6 years. My current camera is the Canon rebel t2i (yes, very old). I am looking to start making youtube tutorials that won’t really be showing myself, but more so my hands, some the things I will be teaching to make. I am trying to find the perfect camera to use. I need something where I can control it with a wireless remote (stop, start, zoom, etc). I also need one that will auto focus quickly when I bring something close to the camera and take it away. I am clueless as to what to buy. I am going to be shooting tutorials on knitting/crochet. I currently own a yarn store and I also make my own hand dyed yarn. Making youtube tutorials has been something I have been wanting to do for a long time now. Can I please bother you for some advice? What camera do you recommend for me? I would like to keep it in the reasonable pricing area. Nothing more then 3000 and I am actually looking to spend that much on everything if I could. As far as lighting, wireless remote, etc. goes.
I thank you so much for all your advice. I wil buy the Sony RX100 III. It is for sale in the Netherlands. I read your advice about filming in concerts but I will be pleased with the results. I filmed a lot of my concertvideo’s on Youtube with the Olympus MR25. It’s not great but for me it’s good enough.
To get around this, digital cameras, computers, and other digital gadgets use a technique called compression. Compression is a mathematical trick that involves squeezing digital photos so they can be stored with fewer numbers and less memory. One popular form of compression is called JPG (pronounced J-PEG, which stands for Joint Photographic Experts Group, after the scientists and mathematicians who thought up the idea). JPG is known as a “lossy” compression because, when photographs are squeezed this way, some information is lost and can never be restored. High-resolution JPGs use lots of memory space and look very clear; low resolution JPGs use much less space and look more blurred. You can find out more about compression in our article on MP3 players.
Nearly all camera phones use CMOS image sensors, due to largely reduced power consumption compared to CCD type cameras, which are also used, but in few camera phones. Some of camera phones even use more expensive Backside Illuminated CMOS which uses energy lesser than CMOS, although more expensive than CMOS and CCD.
I think the R500 and other camcorders are very differebnt beasts to the iPhone and other smartphones. If you’re just trying to capture things as they happen around you, then the iPhone is probably more than enough, and has the advantage in portability, and the fact that it’s in your pocket alread. A dedicated camcorder has major advantages for having a long zoom, stabilization, and longer recording times. But if you don’t need that, then a good smartphone can do much of the work instead.
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