The Precision People
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AL17-BK7 Barrel (Drum) Lenses
| Material: | BK7 grade A optical glass |  |
| Diameter Tolerance: | +0.0/-1.05mm | |
| Length: | +1.005mm | |
| Surface Quality: | 40/20 | |
| Coatings: | without coating |
| (mm) | ||
| Catalog No. | Diameter | L |
| AL17-020-025 | 2.0 | 2.5 |
| AL17-020-030 | 2.0 | 3.0 |
| AL17-030-040 | 3.0 | 4.0 |
| AL17-040-050 | 4.0 | 5.0 |
| AL17-070-080 | 7.0 | 8.0 |