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Jump up ^ Henze, N.; Schinke, T.; Boll, S. (2009). “What is that? Object recognition from Natural Features on a mobile Phone” (PDF). Proceedings of Mobile Interaction with the Real World. Archived from the original (PDF) on 2011-07-19.
Since many people now own a smartphone, the real question is whether you need a digital camera as well. It’s very hard to see an argument for point-and-shoot compacts anymore: for social-media snaps, most of us can get by with our phones. For this website, I take a lot of macro photos—close-ups of circuits and mechanical parts—with my Ixus that I couldn’t possibly capture with the LG, so I won’t be jumping ship anytime soon.
In the earliest analog camcorders the imaging device is vacuum-tube technology, in which the charge of a light-sensitive target was directly proportional to the amount of light striking it; the Vidicon is an example of such an imaging tube. Newer analog, and digital camcorders use a solid-state charge-coupled imaging device (CCD) or a CMOS imager. Both are analog detectors, using photodiodes to pass a current proportional to the light striking them. The current is then digitised before being electronically scanned and fed to the imager’s output. The main difference between the two devices is how the scanning is done. In the CCD the diodes are sampled simultaneously, and the scan passes the digitised data from one register to the next. In CMOS devices, the diodes are sampled directly by the scanning logic.
Nikon has taken its flagship D5 DSLR and most of its high-end features and distilled all of this into a smaller, but still very durable metal body. The full-frame sensor is replaced by an 20.9MP APS-C sized chip that allows the D500 to shoot at a rapid 10fps and deliver a great high ISO performance. A brilliant all-rounder with a brilliant 153-point AF system means it excels at fast action like sports and wildlife photography, but still has the chops to shoot landscapes and portraits. If the cost is a bit steep, then take a look at the D7500. It sits below the D500 and inherits many of its tech, including the 20.9MP sensor.
We’re starting to see longer zooms in this category, but with narrower aperture and lenses that top out at 10x coverage (25-250mm). A narrow aperture isn’t as good for low light as models with short zooms and big f-stops, but is a better choice for travel, when you want a pocket camera with an ample zoom range. The 1-inch sensor size typically nets solid image quality through ISO 3200, and even to ISO 6400 if you opt to shoot in Raw format, so use in dim light is still possible.
A video camera is camera used to make electronic motion pictures. It captures moving images and synchronous sound. Early video cameras were all analog and most modern ones are digital. Analog video cameras produce signals that can be displayed with analog televisions. The signals can be shown at the time, or can be stored in an analog format on magnetic tape. Digital video cameras produce digital images.
Linescan cameras are also extensively used in imaging from satellites (see push broom scanner). In this case the row of sensors is perpendicular to the direction of satellite motion. Linescan cameras are widely used in scanners. In this case, the camera moves horizontally.
Digital Sensors and Film are two distinct recording mediums which both display unique characteristics when recording an image. The way an image is processed, or edited for viewing, is also much different. Both have characteristics that can sometimes be an advantage and sometimes be a disadvantage depending on the subject matter and the qualities the photographer wishes the final image to display. In the end it is a matter of personal taste. For more on film vs. digital please see this question, this question, and this one.
“Best” and “for beginners” is usually an oxymoron — and that’s especially true when it comes to high-tech gadgets like cameras. A camera loaded with all the features won’t be much good in the hands of someone who doesn’t know how to use it. There can be a steep learning curve when it comes to photography!
Sony’s mirrorless camera systems have been taking the photography world by storm and the a7R II may be the best of them all for photographers and vloggers alike. This camera boasts a full frame 42.2MP sensor in a small body. The a7R II has built-in image stabilization, handles ISOs (up to 25,600 in video mode) well, and is compatible with lenses made by other brands. This camera is the perfect choice for vloggers who demand high quality everything in a package that is smaller than a DSLR.
Special camera systems are used for scientific research, e.g. on board a satellite or a spaceprobe, in artificial intelligence and robotics research, and in medical use. Such cameras are often tuned for non-visible radiation for infrared (for night vision and heat sensing) or X-ray (for medical and video astronomy use).
When photographing rapidly moving objects, the use of a focal-plane shutter can produce some unexpected effects, since the film closest to the start position of the curtains is exposed earlier than the film closest to the end position. Typically this can result in a moving object leaving a slanting image. The direction of the slant depends on the direction the shutter curtains run in (noting also that as in all cameras the image is inverted and reversed by the lens, i.e. “top-left” is at the bottom right of the sensor as seen by a photographer behind the camera).
Since it is much easier to manufacture a high-quality linear CCD array with only thousands of pixels than a CCD matrix with millions, very high resolution linear CCD camera backs were available much earlier than their CCD matrix counterparts. For example, you could buy an (albeit expensive) camera back with over 7,000 pixel horizontal resolution in the mid-1990s. However, as of 2004, it is still difficult to buy a comparable CCD matrix camera of the same resolution. Rotating line cameras, with about 10,000 color pixels in its sensor line, are able, as of 2005, to capture about 120,000 lines during one full 360 degree rotation, thereby creating a single digital image of 1,200 Megapixels.
The use of photographic film was pioneered by George Eastman, who started manufacturing paper film in 1885 before switching to celluloid in 1889. His first camera, which he called the “Kodak,” was first offered for sale in 1888. It was a very simple box camera with a fixed-focus lens and single shutter speed, which along with its relatively low price appealed to the average consumer. The Kodak came pre-loaded with enough film for 100 exposures and needed to be sent back to the factory for processing and reloading when the roll was finished. By the end of the 19th century Eastman had expanded his lineup to several models including both box and folding cameras.
Most consumer DSLRs use image sensors that, while much larger than those found in point-and-shoot cameras, are somewhat smaller than a 35mm film frame. This can be a bit confusing when talking about a camera’s field of view, as focal lengths for compacts are often expressed in terms of 35mm equivalency. The standard APS-C sensor features a “crop factor” of 1.5x. This means that the 18-55mm kit lens that is bundled with most DSLRs covers a 35mm field of view equivalent to 27-82.5mm. If you’re upgrading from a point-and-shoot that has a 3x zoom lens that starts at about 28mm, the DSLR kit lens will deliver approximately the same field of view.
An instant-print camera, is a digital camera with a built-in printer.[49] This confers a similar functionality as an instant camera which uses instant film to quickly generate a physical photograph. Such non-digital cameras were popularized by Polaroid in 1972.[50]
When darkness falls, video cameras get scared. Low-light situations means that they have to make the most of every photon, sucking in as much light as possible and amplifying the signal from their image sensors to make it brighter—which can add an ugly speckling pattern to the footage.
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Traditional cameras capture light onto photographic plate or photographic film. Video and digital cameras use an electronic image sensor, usually a charge coupled device (CCD) or a CMOS sensor to capture images which can be transferred or stored in a memory card or other storage inside the camera for later playback or processing.
The K-1 offers a rugged build and a full-frame sensor at a relatively affordable price. It’s not cheap, but it compares favourably with the likes of the Nikon D810, Canon EOS 5D Mark III and Sony Alpha 7R II. Pentax’s Pixel Shift Technology is clever, and it’s great that the company has managed to produce a mode that can be used when the camera is handheld, although the impact is subtle. Less of an all-rounder than the 5D Mk III, the K-1 makes an excellent camera for landscape, still life and portrait photography, or any genre that doesn’t require fast autofocus and which benefits from a high pixel count for detail resolution.
For casual photos, it does not matter much, but for sports or where you want to capture “THAT MOMENT” like an eagle catching fish or something, which happens at a particular moment, DSLR technique is helpful.
Combo-cameras combine full-feature still cameras and camcorders in a single unit. The Sanyo Xacti HD1 was the first such unit, combining the features of a 5.1 megapixel still camera with a 720p video recorder with improved handling and utility. Canon and Sony have introduced camcorders with still-photo performance approaching that of a digicam, and Panasonic has introduced a DSLR body with video features approaching that of a camcorder. Hitachi has introduced the DZHV 584E/EW, with 1080p resolution and a touch screen.
In January 2008, Silicon Image announced a new technology for sending video from mobile devices to a television in digital form. MHL sends pictures as a video stream, up to 1080p resolution, and is compatible with HDMI.[51]
Some of these image-editing techniques are built into more sophisticated digital cameras. You might have a camera that has an optical zoom and a digital zoom. An optical zoom means that the lens moves in and out to make the incoming image bigger or smaller when it hits the CCD. A digital zoom means that the microchip inside the camera blows up the incoming image without actually moving the lens. So, just like moving closer to a TV set, the image degrades in quality. In short, optical zooms make images bigger and just as clear, but digital zooms make images bigger and more blurred.
Camcorders often cover weddings, birthdays, graduations, children’s growth and other personal events. The rise of the consumer camcorder during the mid- to late 1980s led to the creation of TV shows such as America’s Funniest Home Videos, which showcases homemade video footage.
The frames are later played back in a ciné projector at a specific speed, called the “frame rate” (number of frames per second). While viewing, a person’s eyes and brain merge the separate pictures to create the illusion of motion. The first ciné camera was built around 1888 and by 1890 several types were being manufactured. The standard film size for ciné cameras was quickly established as 35mm film and this remained in use until transition to digital cinematography. Other professional standard formats include 70 mm film and 16mm film whilst amateurs film makers used 9.5 mm film, 8mm film or Standard 8 and Super 8 before the move into digital format.
I am looking to make short 3 minute ( edited ) videos on cooking. I’m a chef and have no clue where to start with what camera to purchase. Initially I wanted to get the canon 80 but untimately id lové advice on what the best camera for a ‘cooking show’ & great Instagram pics would be. For sound I’m doing voice over and would like to use the blue yeti.
Pair that up with a lens like the 18-55mm kit lens and you’ll be up and shooting in no time.By the way let me know in the comments section below, which camera do you think is the best budget DSLR Camera and why? and I’ll take a look at your comment. If you’re looking for some a little newer, you could take a look at the T6 from Canon.
Many early professional SLR cameras, such as the Kodak DCS series, were developed from 35 mm film cameras. The technology of the time, however, meant that rather than being digital “backs” the bodies of these cameras were mounted on large, bulky digital units, often bigger than the camera portion itself. These were factory built cameras, however, not aftermarket conversions.
But that doesn’t mean you shouldn’t upgrade — there are a lot of reasons to move into the DSLR territory. Maybe you’ve found that you enjoy taking pictures on your smartphone and want better quality. Perhaps your point-and-shoot just isn’t cutting it anymore. Maybe you’re going on a vacation and are searching for the best camera for travel or the best mirrorless camera.
Once things start to get darker is when the this model really shows its chops. When a camcorder works as hard as possible to grab every little bit of light, this can add a lot of digital noise, which ruins detail and color. Last year’s V750K minimized this the most from the camcorders we tested, and gave the sharpest and clearest video—and since the V770K has an identical sensor, you can expect the same results. Combine that with its excellent stabilization, and you’ll be able to record your third grader’s play handheld, even though lights in the auditorium leave a lot to be desired.
In consumer units these adjustments are often automatically controlled by the camcorder, but can be adjusted manually if desired. Professional-grade units offer user control of all major optical functions.