What is the difference between roof prism and Porro prism binoculars?
A prism is a transparent glass optical element with flat, polished surfaces positioned at that refract light. The purpose of prisms is to give you an upright image; they are...
What is the difference between roof prism and Porro prism binoculars?
A prism is a transparent glass optical element with flat, polished surfaces positioned at that refract light. The purpose of prisms is to give you an upright image; they are...