Common Specifications:

Material: BK7 Grade A, fine annealed

Diameter Sizes(mm): 10.0 12.0 15.0 20.0

Clear Apertures(mm): 7.0 8.0 10.5 15.5

Thickness(mm): 1.0-6.0 mm

Diameter Tolerance: ± 0.3 mm

Thickness Tolerance: ± 0.2 mm

Central Wavelength Tolerance : ± 2 nm

Bandwidth Tolerance: ± 2 nm

Blocking: ≥ 0D5

Temperature Limits: -50℃ to 80℃