Roof Prism Binocular Design

More expensive due to higher manufacturing costs.

Roof prism binocular design.

Increase in popularity after the introduction by zeuss and leitz. Standard design in use till 1960s. The roof prism lineup is feature rich including fully multi coated lenses and nitrogen gas filled making it waterproof and fogproof. The thompson center line of binoculars offers top level quality at a value packed price point.

These strong binoculars come with a powerful 10x magnification and 42mm objective lens for better visibility of space. It consists of a reflective surface with a metallic mirror vapor steam coating eg silver. Roof prism design looks as if the light goes straight through. 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.

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. There is also a difference in image brightness. Roof prisms designs create an instrument that is narrower and more compact than porro prisms. Porro prism design has a jog in the light path through each barrel.

Compact lightweight and comfortable to hold. The gosky roof prism binoculars are another good product. Heavier design zig zag shape not so easy to grip.