Right Angle Prisms

Right Angle Prisms


Right angle prism is deviating or deflecting a beam of light with 90 or 180°. It is often used in telescope, periscope and other optical system.

 Capability

Attribute  Commercial Quality  Precision Quality 
Material N-BK7, Fused Silica, SF4 or other optical glass
Dimension Range 0.5mm-100mm
Dimension Tolerance (mm)  ±0.20mm  ±0.05 mm 
Clear Aperture >85% >85%
Angle Tolerance 1 arc minute 5 arc seonds 
Pyramid Error 3 arc minutes 5 arc seonds 
Surface Quality S/D 60-40  S/D 10-5
Flatness lambda/2 at 632.8 nm lambda/10 at 632.8 nm
Bevel 0.2-0.5mmX45° 0.2-0.5mmX45°
Coating AR coating/HR coating
According to the requirement
Angle Tol. 3 min. 1 min. 30 sec. Material
Size (mm) Part NO. Part NO. Part NO.
A=B=C=2.0 RAP0101 RAP0201 RAP0301 BK7
A=B=C=3.2 RAP0102 RAP0202 RAP0302 BK7
A=B=C=5.0 RAP0103 RAP0203 RAP0303 BK7
A=B=C=10.0 RAP0104 RAP0204 RAP0304 BK7
A=B=C=12.7 RAP0105 RAP0205 RAP0305 BK7
A=B=C=15.0 RAP0106 RAP0206 RAP0306 BK7
A=B=C=20.0 RAP0107 RAP0207 RAP0307 BK7
A=B=C=25.4 RAP0108 RAP0208 RAP0308 BK7
A=B=C=30.0 RAP0109 RAP0209 RAP0309 BK7
Angle Tol. 3 min. 1 min. 30 sec. Material
Size (mm) Part NO. Part NO. Part NO.
A=B=C=10.0 RAP1104 RAP1204 RAP1304 Fused Silica
A=B=C=12.7 RAP1105 RAP1205 RAP1305 Fused Silica
A=B=C=25.4 RAP1108 RAP1208 RAP1308 Fused Silica