Roof Prism Binocular Design

The roof prism lineup is feature rich including fully multi coated lenses and nitrogen gas filled making it waterproof and fogproof.

Roof prism binocular design.

Compact lightweight and comfortable to hold. 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. Standard design in use till 1960s. Roof prism binoculars were compact light and comfortable to hold.

They made the offset zig zag shape of the porro prism design look as old fashioned as propeller driven aircraft. Porro prism design has a jog in the light path through each barrel. Roof prism design looks as if the light goes straight through. It consists of a reflective surface with a metallic mirror vapor steam coating eg silver.

The most common today is schmid pechan s prism system. More expensive due to higher manufacturing costs. The gosky roof prism binoculars are another good product. The thompson center line of binoculars offers top level quality at a value packed price point.

There is also a difference in image brightness. Roof prisms designs create an instrument that is narrower and more compact than porro prisms. These strong binoculars come with a powerful 10x magnification and 42mm objective lens for better visibility of space.