Material | N-BK7 |
AR Coating Range | 1050nm-1700nm |
Reflectance over Coating Range(Avg.)" | < 0.50% |
Diameters Available | "06 mm, 09 mm, 01/2"", 018 mm. 025 mm, 01"", 030 mm, 02"", or 075 mm" |
Design Wavelength | 587. 6nm |
Focal Length Tolerance | ±1% |
Diameter Tolerance | -0. 0/-0. 1mm |
Thickness Tolerance | 士 0. 1mm |
Surface Accuracy | λ/4@587. 6nm |
Surface Quality | 40-20 |
Centration | <3 arc min |
Clear Aperture | >90% |
Bevelling | <0.2 x45° |
Abbe Number | vd = 64.17 |
Coating | 350 nm-2. 0 " μm (un coated) |
A: AR Coating 350nm-700nm | |
B: AR Coating 650nm-1100nm | |
C: AR Coating 1050nm-1700nm |
Delivery details
1. We Ship to Worldwide. Please contact with us if didn't find your country.
2. Items will be shipped within 1-10 business days on payment received.
3. Delivery time depends on destination and other factors, it may takes up to 20 business days.