Monday 5 November 2018

optics - What is the difference between a pentaprism and a pentamirror?


Higher-end SLR cameras include a pentaprism to transmit the image from the lens to the viewfinder, whereas lower-end SLR cameras use a pentamirror to accomplish the same task.



  1. What are the differences between a pentaprism and a pentamirror?

  2. Why is a pentaprism preferable to a pentamirror in a SLR camera?




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