You know from our Article about how the DSLR works we published earlier that in order to see the photo through the viewfinder, the light has to be reflected by the mirror in the camera body and then sent upwards to the Pentaprism, reversing it upside down and laterally, to send it to the viewfinder.

However, there are a lot of DSLRs on the market that use a Pentamirror instead of pentaprism, causing a lot of confusion among the beginner photographers because of the gobsmacking difference in price. In this article we are going to explain you the Key Differences between a pentaprism and pentamirror and tell you which one is better.

…