Ningbo Hongbo Optical Instrument Co., Ltd. [China]

1.Diameter Tolerance +0.0, -0.15mm 2.Focal Length Tolerance +/- 3% 3.Centration blow 3 arc minutes 4.Clear Aperture up 90%

Plano-Convex Lenses

1.Diameter Tolerance         +0.0, -0.15mm

2.Focal Length Tolerance    +/- 3%

3.Centration                           <3 arc minutes

4.Clear Aperture                   >90%

5.Surface Figure                  λ/4 632.8nm

6.Surface Quality                 40-20 scratch & dig

7.Design Wavelength          632.8 nm

8.AR coatings                         None.

double convex lens/optical lens laboratory/ optical physics lens