Roof Prism Porro Prism

However porro prism binoculars are great watching birds or other small objects.

Roof prism porro prism.

The prims are in the shape of a right angled triangle and they reflect the light rays through the binoculars so you see your image clearly. Roof prism binoculars construction is different and have two aligned barrels with eyepieces and objective lenses that are closer to each other than in porro prism binoculars. More expensive due to higher manufacturing costs. Of both types there are good and not so good instruments.

Porro prism vs roof prism binoculars which is better. Porro prism binoculars were standard until the 1960 s when the zeiss and leitz companies introduced roof prism binoculars whose objective lenses were straight in line with the eyepieces. Standard design in use till 1960s. So if you re on a tight budget go ahead and look for a porro set sporting bak 4 prisms.

Roof prisms are the newer option. The difference between porro prism and roof prism binoculars is in the design and the respective features. Increase in popularity after the introduction by zeuss and leitz. Compact lightweight and comfortable to hold.

Porro prisms are the more traditional ones and these are seen in older binoculars with a zig zag shape. Roof prism binoculars were compact light and comfortable to hold. Roof prism binoculars have lately become more popular than porro prism binoculars. It is difficult to say whether porro prism or roof prism binoculars are better.

Heavier design zig zag shape not so easy to grip.