A Roof Prism (also named dachkanten prism or dach prism) is a high-precision reflective optical component defined by two polished faces meeting at a 90° roof edge—its iconic structural feature. By utilizing total internal reflection (TIR), it redirects light beams by 90° while inverting and re-erecting images, eliminating the need for additional optical elements to correct image orientation

Description

Specifications	According to customer's specific requirements
Material	BK7/K9 Optical Glass, H-K9L
Diameter Tolerance	+0.0 / -0.2mm
Central Thickness Tolerance	±0.1mm
PV	λ/4
90° Roof Edge Tolerance	<1'
Surface Quality	40/20
Coating	AR Coating,HR Coating

Roof Prisms

Description

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