1A reflecting prism in which the reflecting surface is in two parts that are angled like the two sides of a pitched roof.
脊角棱镜。比较PORRO PRISM
Compare with Porro prism
Example sentencesExamples
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.
1.1roof prisms" or "roof-prism binocularsA 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.
脊角棱镜双目镜
Example sentencesExamples
Focusing is similar to a traditional roof prism binocular with the right ocular adjustable and a center focus knob.
Zeiss pioneered many products and technologies we take for granted, such as roof-prism binoculars and anti-reflective lens coatings.
Definition of roof prism in US English:
roof prism
noun
1A reflecting prism in which the reflecting surface is in two parts that are angled like the two sides of a pitched roof.
脊角棱镜。比较PORRO PRISM
Compare with porro prism
Example sentencesExamples
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.
1.1roof prisms" or "roof-prism binocularsA 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.
脊角棱镜双目镜
Example sentencesExamples
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.