● Substrates:Optical Glasses,Fused Silica，Si,Ge,ZnSe,Gallium Arsenide
● Designed for 0° Angle of Incidence
● Various Coating Options: Uncoated, MgF2, VIS 0°, VIS-NIR, NIR I,and BBAR
Symmetric Design: Both surfaces are curved outwardly, allowing the lens to focus and magnify incoming light effectively.
Enhanced Focal Length Versatility: Offers versatile focal lengths suitable for imaging, magnification, and light collection purposes.
High-Quality Construction: Made from premium glass materials with precision machining, ensuring optical clarity and minimal distortion.
Common Specifications
| Coating: | MgF2 (400-700nm) | Coating Specification: | Ravg ≤1.75% @ 400 - 700nm | ||||||||
| Power (P-V) @ 632.8nm: | 1.5λ | Irregularity (P-V) @ 632.8nm: | λ/4 | ||||||||
| Bevel: | Protective bevel as needed | Focal Length Specification Wavelength (nm): | 587.6 | ||||||||
| Surface Quality: | 60-40 | Wavelength Range (nm): | 400 - 700 | ||||||||
Products specifications in stock
| No. | Stock number | Diameter（mm） | Focal length(mm) | Center thickness(mm) | Coating Specification | ||||||
| 1 | 1220014 | 8 | 7.29 | 3.5 | Ravg ≤1.75% @ 400 - 700nm | ||||||
| 2 | 1220006 | 48 | 108.679 | 10 | Ravg ≤1.75% @ 400 - 700nm | ||||||
| 3 | 1220008 | 48 | 171.528 | 8 | Ravg ≤1.75% @ 400 - 700nm | ||||||
| 4 | 1220021 | 50 | 160.5 | 6 | Ravg≦0.5% @450-710nm | ||||||
| 5 | 1220022 | 50 | 107.3 | 7.6 | Ravg≦0.5% @450-710nm |
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