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If you're thinking of buying a webcam, here’s an option you may not have thought of. If you happen to have a DSLR, mirrorless or compact camera, you may be able to put it into service as a high ...
A couple of later Minolta lenses do have a built-in ultrasonic focus motor (SSM lenses), like other SLR and DSLR systems (i.e. Canon and Nikon), where the AF computer is inside the camera body and there is a digital interface connecting body to an electric motor and the focusing gears built into the lens body.
Lens Mount [2] Recording media [3] Codec Maximum video resolution ISO range Dynamic range (at native/peak ISO) Shutter type Anamorphic shooting Internal filters Frame rate(s −1) Arri: Alexa [4] Alexa Plus 23.76 x 13.37 mm 1.52 Arri PL: SxS card, T-link recorder (optional XR module upgrade) [5] 12-bit 4444 ProRes, 10-bit 4:4:4 DNxHD (SxS card)
In many cases brands are limited to certain countries. Not all brands of devices that can take digital images are listed here, including many industrial digital camera brands, some webcam brands, brands of cell phones that feature cameras, and brands of video cameras that can take digital stills. Defunct brands are listed separately.
However, small digital cameras can focus better on closer objects than typical DSLR lenses. The sensors used in current DSLRs — "full-frame" which is the same size as 35mm film, APS-C, and Four Thirds System — are much larger than most digital cameras. Entry-level compact cameras typically use sensors known as 1/2.3″, which is 3% the size ...
Samsung NX500 - Same 28 MP APS-C sensor as NXI but 4K video is not downsampled from 6.5K so less details and more noise than the NX1 - with this 2.4× crop factor the kit lens become a 38–120mm f8.5–13.4 equivalent for depth of field; 15 min max recording time limit