Ads
related to: what does slr camera mean in glasses frames
Search results
Results From The WOW.Com Content Network
Cross section of SLR camera. Until the development of SLR, all cameras with viewfinders had two optical light paths: one through the lens to the film, and another positioned above (TLR or twin-lens reflex) or to the side (rangefinder). Because the viewfinder and the film lens cannot share the same optical path, the viewing lens is aimed to ...
A digital single-lens reflex camera (digital SLR or DSLR) is a digital camera that combines the optics and mechanisms of a single-lens reflex camera with a solid-state image sensor and digitally records the images from the sensor. The reflex design scheme is the primary difference between a DSLR and other digital cameras.
DSLR: Digital single-lens reflex camera; also dSLR. [2] ED: Extra low dispersion glass. Used in composite lenses to reduce chromatic aberration. One of a class of special glasses, including anomalous dispersion (AD), special low dispersion (SLD) and extraordinary low dispersion (ELD) glass, used in place of fluorite. [7] EFC, EFCS or EFSC
The camera was a waist type with an M40x1 screw mount and a horizontal cloth focal shutter. This camera is the pattern for most of the 35 mm SLR cameras and also for the Japanese and the digital SLR cameras today. After the war, Praktiflex was the most manufactured 35 mm SLR in Dresden, especially for the Russians as reparations.
Some of the newest A-mount lenses are designated "DT" for Digital Technology; these are for digital cameras with APS-C sensors, and will result in vignetting if used on a film SLR or a full frame DSLR or full frame SLT camera. Third-party lenses for the AF lens mount are made by Zeiss, Sigma, Tamron, Tokina and Vivitar.
The first digital EOS SLR camera wholly designed and manufactured by Canon was the EOS D30, released in 2000. Canon sold two EOS cameras designed to use the APS film format, the EOS IX and the EOS IX Lite. Canon also sold a manual-focus camera, the Canon EF-M, which used the same EF lens mount as the EOS cameras. It came with all the automatic ...
The numbers on your eyewear are more important than you think—an optometrist tells us why. The post This Is What Those Numbers on Your Glasses Mean appeared first on Reader's Digest.
1987: The first 35mm SLR camera to feature a built-in TTL auto flash (SF-1) [3] 1991: The world's first weather-resistant zoom compact camera is launched. That camera was the "PENTAX ZOOM 90WR" [7] 1995: The world's smallest autofocus SLR camera designed based on the concept of "intuitive operation" is launched. That camera was the PENTAX MZ-5 [7]