By adding a wedge, it can be used as Precision Penta Prism. It is often used in plumb level, surveying, alignment, range finding and optical tooling.
Specification:
Material | BK7 grade A optical glass |
Dimension (h) Tolerance | ±0.1 mm |
Dimension (A) Tolerance | ±0.2 mm |
Clear Aperture | >80% |
Surface Quality | 40-20 scratch and dig |
90° Deviation | < 30 arc sec., up to 5 arc sec. Refer to the table |
Flatness: | λ/4 @632.8 nm |
Reflectivity | R>95% per face @630-680 nm |
Protective Bevel | 0.25 mm x 45° |
BK7 r-style: none; border-color: inherit; border-width: medium; WIDTH: 402pt; BORDEStandard Products:
A x h (mm) | 1 min. deviation | 30 sec. deviation | 10 sec. deviation | 5sec. deviation |
Part No. | Part No. | Part No. | Part No. | |
7 x 6 | FBP101 | FBP201 | FBP301 | FBP401 |
8 x 8 | FBP102 | FBP202 | FBP302 | FBP402 |
10 x 10 | FBP103 | FBP203 | FBP303 | FBP403 |
Note: Other sizes, material
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