Roof Prism
A roof prism has two reflecting surfaces at 90° to each other and a roof shaped profile. In a very compact space, it turns the optical path through 90°, with the output optical axis perpendicular to the input axis and usually in the same plane. It reverses the image vertically and horizontally to make an inverted image upright while preserving image handedness. The objective and eyepiece can lie on a straight line, allowing a short, compact straight barrel instrument. Light undergoes one total internal reflection (TIR) at each roof surface, producing a total deflection of 90°. The two reflections rotate the beam cross section through 180°, equivalent to vertical and horizontal inversion. Because the optical axis is deflected without displacement, the telescope can use a straight barrel with the objective and eyepiece on the same axis.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | H-K9L |
| Size | Customizable |
| Surface Figure | N1.4＝3，N2.3＝0.3 |
| Roof Angle and Width Requirements | Roof Angle Tolerance 2"=1/30， Roof Edge Width <0.005 |
| Coating Requirements | 400-700nm T＜0.5% |
Applications
Datasheet
Supplier Information
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