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Topic: Autofocus camera


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In the News (Sun 19 May 13)

  
  Autofocus camera and method - Patent 5594928
The automatic focus camera includes a shooting lens, a photographic mode switch that selects whether or not to conduct continuous photography, a photoelectric conversion device that performs focus state detection, a driving motor that drives the shooting lens, and a microcomputer.
The automatic focus camera according to claim 1, wherein the position computation means determines the subject image plane position of the next exposure by adding a time interval from the photographic preparation sequence completion time until exposure.
A conventional single lens reflex camera predicts the subject position at the time of exposure when the subject is a moving subject and drives the lens to a corresponding focus position.
www.freepatentsonline.com /5594928.html   (6130 words)

  
 Autofocus: Camera System: Glossary: Learn: Digital Photography Review
In autofocus mode the camera automatically focuses on the subject in the focus area in the center of the LCD/viewfinder.
Some cameras offer "continuous AF" mode whereby the camera focuses continuously until you press the shutter release button halfway.
Autofocus is usually based on detecting contrast and therefore works best on contrasty subjects and less well in low light conditions, in which case the use of an AF assist lamp is very useful.
www.dpreview.com /learn?/Glossary/Camera_System/Autofocus_01.htm   (204 words)

  
 Focussing accuracy with Pentax 35mm SLR autofocus camera
A perennial subject of concern among photographers is the issue of the accuracy of autofocus SLR cameras, and the extent to which they may reduce sharpness.
I tried the camera at distances of 3 feet, 6 feet and 8 feet from the target (I chose these distances because they are ones specifically marked on the focussing scale of my lens).
This is because the viewfinders and focussing screens of autofocus cameras are not as good as the ones that are designed into manual focus ones.
ca.geocities.com /spirope/focussing.htm   (1400 words)

  
 In Focus, Out of Focus, Autofocus - Camera Corner report by Dirck Halstead - The Digital Journalist
However, there is no doubt that autofocus, either on a still or video camera, can make your life a lot easier, and increase your batting average for sharp shots.
In video, if the camera has an autofocus lens, the proper procedure is to leave the lens in manual focus, and use the "quick focus" button on the lens to assist your eye.
During my initial use of an autofocus camera (which happened to be a Minolta, first to put out an autofocus system), I was photographing the visit to Ronald Reagan by George Bush, after Bush won the Presidency.
digitaljournalist.org /issue9810/cameracorner.htm   (963 words)

  
 Focusing System
Cameras with automatic focusing systems usually measure the distance to the center of a finder's view.
Remember that this example is provided only for easy-to-use compact cameras targeted for the mass market.
For professional photographers it may be inappropriate to provide strictly automatic camera focusing using the three distance measures method.
www.aptronix.com /fuzzynet/applnote/focusing.htm   (494 words)

  
 Autofocus Problems Page   (Site not responding. Last check: 2007-10-14)
Yet their AF cameras may be failing to reap the benefits of their costly investments when these lenses are used in situations where focusing accuracy is most critical.
Using an autofocus camera with central AF sensor(s) on a tripod is a potential pain in the neck, due to the need to center the subject to focus, then move off to compose the shot (e.g., rule of thirds).
Autofocus is just an automated split image rangefinder with all the same problems as focusing by eye, with the added liabilities of being less sensitive and accurate than manual focusing.
medfmt.8k.com /third/af.html   (18731 words)

  
 Hasselblad H1 645 Autofocus Camera   (Site not responding. Last check: 2007-10-14)
Hasselblad cameras were the first cameras in space and are renowned for their image quality, long-life and rugged durability.
Autofocus speed was OK and it was very silent, but my Nikon F4 focuses faster with most lenses I think, and that camera is considered slow.
If the camera has a spot meter, you are better off using it to set your endpoints, than the histogram, as the there is NO ability to relate the information in the histogram to any scene/image part.
medfmt.8k.com /mf/h1.html   (20958 words)

  
 Minolta Maxxum 4 35mm SLR Autofocus Camera Body   (Site not responding. Last check: 2007-10-14)
The Maxxum 4 is the perfect camera to carry on your next adventure.
The Maxxum 4 is equipped with a super-fast autofocus system with a central cross sensor and two vertical side sensors, which allows the user to capture razor-sharp images of fast moving subjects.
It can be essentially used as a point and shoot camera with the Programmed Modes or can be fully controlled with manual exposure and focus control.
store.h1photo.com /2164411.html   (271 words)

  
 Howstuffworks "How Autofocus Cameras Work"
Autofocus is that great time saver that is found in one form or another on most cameras today.
In this article, you will learn about the two most common forms of autofocus, and find out how to determine which type of autofocus your camera uses.
You will also learn some valuable tips about preventing the main causes of blurred pictures when using an autofocus camera.
www.howstuffworks.com /autofocus.htm   (122 words)

  
 Canon EOS Rebel GII 35mm SLR Autofocus Camera Body 8675A001   (Site not responding. Last check: 2007-10-14)
The all new EOS Rebel G II camera allows budget-minded consumers to easily step up to a 35mm SLR system from the less versatile point-and-shoot type cameras.
In addition, this new camera's advanced features and functionality make it ideal for photography students or any other consumer who wishes to gain greater creative control when taking photographs.
Autofocus: One of the following two AF modes is set automatically (not user-settable) to suit the picture- taking mode.
www.47stphoto.com /canrgii.html   (910 words)

  
 Nikon F80 AutoFocus SLR Camera   (Site not responding. Last check: 2007-10-14)
Nikon's first new SLR of the 21st century, the F80, is an exciting mid-range camera, bringing many of the technological innovations found on the top of the range F5 and F100 to a wider audience.
Built-in Speedlight is positioned higher than that of other cameras, so the light reaches the subject unobstructed by the attached lens.
For autofocus operation using an AF Zoom-Nikkor 28-80mm f/3.5-5.6D lens, covering the full range from infinity (_) to the closest distance and back to infinity (_) before each shot, with a shutter speed of 1/125 sec.
www.jjmehta.com /products/nikonf80.html   (1250 words)

  
 EOS 1V 35mm SLR Autofocus Camera Body (Canon-2043A005) - PriceGrabber.com
The lightning-fast autofocus via a 45-point system can be customized to the needs of the user.
The 100% accurate viewfinder is as bright and contrasty as any autofocus camera.
Custom functions allow personalizaton of autofocus, metering, operating systems, etc. Of course like the original EOS-1 you have TTL flash operation, PC terminal for studio flash, exposure compensation in 1/3rd-stop increments, wireless remote capacity and compatibility with all Canon EF lenses.
www.pricegrabber.com /search_getprod.php/masterid=563118   (265 words)

  
 Amazon.com: Nikon N75 35mm SLR Camera (Body Only): Camera & Photo   (Site not responding. Last check: 2007-10-14)
Pricier "professional" cameras like N80 are of course more robust and may have a few extra features or even faster AF, but the difference in price will be so significant that you will have to be a heavy user to make a more expensive camera pay for itself.
The fact that the reviewer went through several of these cameras, and never figured this out astounds me. I've never had to contact Nikon support, but I would hope that the support person I got would be a little more knowledgeable than the people she talked too...
Autofocus is quick, and I like the red confirmation light in the finder (same as on my D 70 digital SLR).
www.amazon.com /exec/obidos/tg/detail/-/B00008ZPN3?v=glance   (2611 words)

  
 Amazon.com: Olympus Trip XB40 QD Date 35mm Camera: Camera & Photo   (Site not responding. Last check: 2007-10-14)
If you are looking for a nice little camera to take on trips or to point and click at the kids sporting events, this is the one to get.
The camera is small, easy to use, and easy to load with 35 mm film.
This time the camera skipped pictures on the roll of film, and sometimes didn't work at all even with new batteries in it.
www.amazon.com /exec/obidos/tg/detail/-/B00004TQ0W?v=glance   (1081 words)

  
 eBay - autofocus camera, Film Cameras, Flashes Accessories items on eBay.com   (Site not responding. Last check: 2007-10-14)
NEW YASICA KYOCERA 200 AF 200AF AUTOFOCUS SLR CAMERA 
MINOLTA DYNAX SPxi AUTOFOCUS SLR CAMERA BODY.AS NEW 
Canon EOS 5000 35mm SLR Autofocus Camera and accessories.
search-desc.ebay.com /search/search.dll?query=autofocus+camera&...   (481 words)

  
 Autofocus Camera Digital - compare prices, reviews and buy at NexTag - Price - Review
• nikon f-6 f6 35mm autofocus slr camera body
Nikon F6 35mm SLR Autofocus Camera (Body Only)
Nikon F5 35mm SLR Autofocus Camera (Body Only)
nextag.com /serv/main/buyer/OutPDir.jsp?search=autofocus+camera+digital   (310 words)

  
 Canon EOS Elan 7N 35mm Autofocus SLR Camera Kit with Canon EF 28-105mm f4/5.6 Autofocus Zoom Lens - USA   (Site not responding. Last check: 2007-10-14)
The camera follows the subject continuously until the shutter is released, continuously adjusting focusfor sharp results.
Speedlite 420EX is recommended with this camera to employ E-TTL II flash exposure system as well as High-speed Sync to 1/4000 sec.
The camera is compatible with all EX/ EZ/ EG and E-seriesCanon Speedlites designed for EOS system cameras.
www.adorama.com /CAE7NK.html   (1473 words)

  
 autofocus camera: The Art of Photography and the History of the Camera   (Site not responding. Last check: 2007-10-14)
autofocus camera: The Art of Photography and the History of the Camera
to work with a non-Canon EOS autofocus camera (eg: an autofocus Nikon, Pentax or Minolta camera) isn't going to work with an EOS camera very.
Nikon N75 35mm SLR Autofocus Camera Package with Tamron AF 28.
www.usmle-questions.info /autofocus-camera.html   (330 words)

  
 Charlotte Camera - Used Cameras and Camera Equipment   (Site not responding. Last check: 2007-10-14)
Fast, accurate autofocus and focus tracking, full-size accessory grip for superb handling and advanced TTL controlled flash system.
Olympus Pen-FT A unique, compact, half-frame 35mm SLR camera with TTL and flash sync at any speed.
This lens can be used on Leica R-series cameras.
charlottecamera.com   (174 words)

  
 Canon EOS Rebel T2 35mm SLR Autofocus Camera Kit with Canon 28-90mm f/4-5.6 EF III Lens - 9426A002 w/ FREE UPS
Canon EOS Rebel T2 35mm SLR Autofocus Camera replaces the Rebel Ti model and includes improvements such as faster shutter speeds, better auto focusing, and for the first time custom functions that are user friendly and appropriate for a wide range of shooting environments.
A four-position keypad on the back of the camera also makes autofocus point selection more intuitive and faster, providing overall better performance for users.
The E-TTL II flash system, which is compatible with most EF lenses, consistently produces accurate flash exposures, even when shooting light, dark or highly reflective subjects.
www.opticsplanet.net /canon-eos-rebel-t2-35mm-slr-autofocus-camera.html   (1056 words)

  
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MINOLTA 2165411 MAXXUM 3 QD (DATE) 35MM SLR AUTOFOCUS CAMERA BODY at pricesaving.com, the web's NO.1 and best IT product search engine !!!
Home > Hardware > Camera/Photo/Optic Devices > Conventional Cameras > 35mm/SLR Cameras
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price.pricesaving.com /productprice_id_568756_MINOLTA_2165411_MAXXUM3QDDA.htm   (144 words)

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