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GCL-030401 Right Angle Roof Prisms
GCL-0304 Right Angle Roof Prisms
This type of prism consists of a roof edge produced upon the long reflecting face of a right-angle prism and is also called Amici roof prism. Like a right-angle prism, it reflects an image by 90°, but inverts the image simultaneously. It is commonly used as an erecting system in telescopes.
• Beam Deviation: 90˚±5'
• Material: BK7, fine annealed
• Dimension Tolerance: ±0.15
• Flatness: λ/4 at reflection surface
λ/2 at transmission surface
• Roof Angle Tolerance: ±5", ±15''
• Surface Quality: 60-40 scratch-dig
• Clear Aperture: 90% surface area
• Coatings: Entrance and exit surfaces are 1/4 wave MgF2 coating at 550nm for 0°angle of incidence.
Roof surfaces are uncoated.
GCL-0304 Right Angle Roof Prisms
|
Part No. |
a |
B |
Roof Angle |
|
18.0 |
24.5 |
90 ±5" |
|
|
18.0 |
24.5 |
90 ±15" |
|
|
32.0 |
41.0 |
90 ±5" |
|
|
32.0 |
41.0 |
90 ±15" |
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