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Plano-Concave Lenses SKU: 112-1217E+ARB800HT
• Have negative focal lengths • Diverge collimated incident light • Forms only virtual images which are seen through the lens • Reduce spherical aberration, coma and distortion at negative-infinite or near-infinite conjugate ratios • With the concave surface facing the…
Variant specifications
| Specification | Value |
|---|---|
| Material | UVFS |
| Focal Length | -150 mm |
| Diameter | 25.4 mm |
| ROC | -71.3 mm |
| CT | 3.1 mm |
| ET | 4.2 mm |
| Coating | AR/AR@700-900 nm, R<0.1% |
| Group | Stock Standard Lenses with AR Coatings |
Shared product specifications
These specifications apply across the Plano-Concave Lenses product family.
| Material | BK7, UV FS, CaF₂ |
| Surface quality | 40-20 scratch & dig (MIL-PRF-13830B) |
| Clear aperture | 90% of the diameter |
| Diameter tolerance | +0.00-0.12 mm |
| Thickness tolerance | ±0.2 mm |
| Surface irregularity | λ / 8 @ 633 nm |
| Surface irregularity for CaF₂ | λ / 4 @ 633 nm |
| Concentricity | 3 arcmin |
| Paraxial focal length: / BK7 / UV FS / CaF₂ | ±2% @ 546 nm / ±2% @ 355 nm / ±2% @ 2940 nm |
Product brochures
Shared documentation for the complete product family.