Ø50.8mm Lenses, EFL. 50 ~ 5000mm

 Ø50.8mm Lenses, EFL. 50 ~ 5000mm

產品名稱 : Ø50.8mm Lenses, EFL. 50 ~ 5000mm
產品說明 :
Plano-concave lenses are useful for a wide range of applications. The lenses are supplied uncoated. Anti-reflection coatings are available.

產品規格
Material UV Fused Silica
Surface Flatness < λ / 10 @ 633 nm
Surface Quality <10/5 (both sides)
Centration Error < 3 arc min
Radius of Curvature Tolerance:  < ± 0.5%
Diameter Tolerance < + 0.00 / – 0.20 mm
Thickness Tolerance < ± 0.25 mm
Clear Aperture >85% of diameter
Coating Uncoated
 Laser Grade BK7A PCC Lenses - Uncoated