Questions tagged [pentaprism]

Five-sided block of glass with mirrored surfaces used to reflect light from an SLR's mirror to the viewfinder's focusing screen. Heavier and more expensive than a pentamirror, but with better light transmission.

Filter by
Sorted by
Tagged with
3
votes
5answers
581 views

Can viewfinder type make an appreciable difference in manual focus?

I have a few old vintage lenses that I love to shoot with on my Canon T3. The obvious disadvantage is the challenge of getting sharply focuses images while focusing manually. I have great vision, but ...
2
votes
3answers
2k views

Which is better to use : Mirror or totally reflecting prism?

I'm designing a stereoscopic system to capture 2 images at the same time one for the right eye and one for the left eye. To take a photo through a reflecting system, which one is the best choice of ...