And which is which? I never can get that into my head
D
Why are the different types of binoculars called roof or porro?
[QUOTE=Allan Hobbs;1153809]Why are the different types of binoculars called roof or porro?[/QUOTE]
And which is which? I never can get that into my head
D
Well, the roof binos have that name because their prisms are attached on their tops or 'roofs'. I don't know where that Porro name comes from.