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Digital Single Lens Reflex (Digital SLR or DSLR) cameras use a mechanical system to allow the image coming through the lens to also be viewed through the camera's viewfinder. This class of camera is the primary digital type used by professionals and are usually compatible with the lenses used on older Film SLR cameras.

1 vote

Is it possible to do holography with a DSLR?

Apparently - yes, it is possible to use digital sensor, such as the one present in DSLRs to record holograms. Displaying or printing such holograms is of course another challenge. The examples I found …
szulat's user avatar
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6 votes
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How can I fire two cameras simultaneously with different settings but the exact same view?

You can try semitransparent mirror:
szulat's user avatar
  • 5,069
2 votes
1 answer
369 views

How much light is lost through a typical matte focusing screen?

My understanding is, the focusing screen, being matte, will diffuse some amount of light in a direction that is not captured by the optical viewfinder. I am aware of some technical developments toward …