Not all digital cameras have viewfinders. Digital cameras and smartphones have LCD screens for composing photos, and it’s only on higher end cameras that you get a viewfinder too. But they are worth having. Sometimes it’s difficult to see an LCD display properly in the bright glare of daylight, and sometimes it just feels more […]
A pentamirror is used on some lower-cost DSLRs as a cheaper alternative to the pentaprism normally used in DSLR viewfinders. Pentamirrors typically give slightly under full coverage of around 95% of the frame rather than 100%.