Dove Prism
Dove prism has two applications. The main application is used as image rotator. As the prism is rotated, the image passing through will rotate at twice the angular of the prism. Another application is used as a retroreflector like right angle prism.

Material: BK7 Grade A optical glass, UV grade fused silica etc.

Dimension Tolerance:    ±0.2mm

Surface Quality:            60-40

Flatness:                       λ/4@632.8nm

Clear Aperture:             >90%

Angle Tolerance:           <3 arc minutes

Chamfer: 0.2mm×45°

Coating:                       user-defined