Definition of roof prism in English:
1A reflecting prism in which the reflecting surface is in two parts that are angled like the two sides of a pitched roof. Compare with Porro prism.
- Modern roof prism designs are capable of performance just as good as a comparable porro prism design, due to current technology such as phase coating and improved reflective backing materials on the prisms.
1.1 (roof prisms) (also roof-prism binoculars) A pair of binoculars using two roof prisms, resulting in an instrument with parallel sides and objective lenses that are the same distance apart as the eyepieces.
- Zeiss pioneered many products and technologies we take for granted, such as roof-prism binoculars and anti-reflective lens coatings.
- Focusing is similar to a traditional roof prism binocular with the right ocular adjustable and a center focus knob.
Definition of roof prism in:
- US English dictionary
What do you find interesting about this word or phrase?
Comments that don't adhere to our Community Guidelines may be moderated or removed.
Most popular in the US
Most popular in the UK
Most popular in Australia
Most popular in Malaysia
Most popular in India