|
Focal Length Tolerance
|
±1%
|
|
Surface Accuracy
|
0.5 fringes per cm
|
|
Length/Width Tolerance
|
±0.1mm
|
|
Center Thickness Tolerance
|
±0.1mm
|
|
Centration
|
＜3 arc min
|
|
Clear Aperture
|
＞90%
|
|
Surface Quality
|
40-20 S/D
|
|
Bevel
|
Protective bevel
|
|
Material
|
BK7, Fused silica and other optical glass
|
|
Coating
|
AR coating
|
We can be able to manufacture against requested specifications and drawings.
