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Serial No. | HXD0108 |
Material | BK7/K9 |
Diameter | 29.8mm |
Focal length | 40mm |
Center thickness | 1.6±0.02mm |
Surface quality | 20/10~80/50 |
Coating | Ar coated |
inking | Suppose (as request) |
refraction index | 1.51742±0.0005 |
Applicaction | telescope,camera,optical equipment |













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