Roof Prism

Roof prism is combined with a right angle prism and a totally internally reflecting roof. It can revert and invert the image as well as bend the line of sight through a 90°angle. Ideal for use in any optical instrument where it is desirable to take an inverted image from an objective, turn it right side up, and bend it through a 90° angle in order to maintain the correct visual orientation.

Applications:

l Spotting Scopes

l Optical Instrument

 

Capability:

PARAMETER

COMMERCIAL

HIGH PRECISION

Material

N-BK7/H-K9L or Fused silica

N-BK7/H-K9L or Fused silica

Clear Aperture

≥85%

≥90%

Dimension Tolerance

±0.2mm

±0.1mm

Flatness

λ/4 @632.8nm

λ/8 @632.8nm

Surface Quality(S/D)

60-40

20-10

Angle Tolerance

±3 arcmin

±10 arcsec

AR Coating

upon request

upon request

Other material ,sizes, tolerance and coatings are also available upon request.