Roof Prism Binocular Design

Compact lightweight and comfortable to hold.

Roof prism binocular design.

It consists of a reflective surface with a metallic mirror vapor steam coating eg silver. Roof prism binoculars were compact light and comfortable to hold. The most common today is schmid pechan s prism system. These strong binoculars come with a powerful 10x magnification and 42mm objective lens for better visibility of space.

There is also a difference in image brightness. Porro prism design has a jog in the light path through each barrel. Roof prisms designs create an instrument that is narrower and more compact than porro prisms. Heavier design zig zag shape not so easy to grip.

They made the offset zig zag shape of the porro prism design look as old fashioned as propeller driven aircraft. There are several different roof prism combinations that can be used depending on the design and purpose and desired features of a roof prism binoculars. Increase in popularity after the introduction by zeuss and leitz. Standard design in use till 1960s.

More expensive due to higher manufacturing costs. Porro prism binoculars will inherently produce a brighter image than schmidt pechan roof prism binoculars of the same magnification objective size and optical quality because this roof prism design employs silvered surfaces that reduce light transmission by 12 to 15. The gosky roof prism binoculars are another good product.