Roof Prism Binocular Design

There is also a difference in image brightness.

Roof prism binocular design.

Heavier design zig zag shape not so easy to grip. 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. Porro prism design has a jog in the light path through each barrel. Standard design in use till 1960s.

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. It consists of a reflective surface with a metallic mirror vapor steam coating eg silver. Increase in popularity after the introduction by zeuss and leitz. Roof prisms designs create an instrument that is narrower and more compact than porro prisms.

The thompson center line of binoculars offers top level quality at a value packed price point. The gosky roof prism binoculars are another good product. These strong binoculars come with a powerful 10x magnification and 42mm objective lens for better visibility of space. They made the offset zig zag shape of the porro prism design look as old fashioned as propeller driven aircraft.

Roof prism binoculars were compact light and comfortable to hold. Compact lightweight and comfortable to hold. The roof prism lineup is feature rich including fully multi coated lenses and nitrogen gas filled making it waterproof and fogproof.