Time to be with your loved ones

Time to be with loved ones

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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.

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13
votes
1answer
704 views

What does the pentaprism/pentamirror do?

In an SLR, the light bouncing off the mirror goes through a pentamirror or pentaprism before being reflected to the viewfinder. However, it seems to me that it would be possible to project an image to ...
3
votes
2answers
738 views

How to clean the focusing system?

Yesterday I was photographing an event and had to change a lot between lenses (50mm and 18-55mm). Surprise, surprise, today when I looked on the viewfinder I saw a little piece of fabric and a little ...