Specifications:
Material: BK7 grade A
Dimension Tolerance: ± 0.1mm
Clear Aperture: 80% Dimensions
Surface Quality: 60-40 or 20-10
Surface Flatness: λ /8 or λ /4 @ 633nm
Angle Tolerance: see table
Bevel: 0.3mm ± 0.1mm
Part Number
|
A = B = C
|
Surface Quality
|
Flatness
|
Angle Tolerance
|
PRA1110
|
10.0mm
|
60-40
|
λ /2
|
< 3 arc mins
|
PRA1112
|
12.7mm
|
60-40
|
λ /2
|
< 3 arc mins
|
PRA1115
|
15.0mm
|
60-40
|
λ /2
|
< 3 arc mins
|
PRA1120
|
20.0mm
|
60-40
|
λ /2
|
< 3 arc mins
|
PRA1125
|
25.4mm
|
60-40
|
λ /2
|
< 3 arc mins
|
PRA1150
|
50.8mm
|
60-40
|
λ /2
|
< 3 arc mins
|
Part Number
|
A = B = C
|
Surface Quality
|
Flatness
|
Angle Tolerance
|
PRA1203
|
3.2mm
|
20-10
|
λ /8
|
< 30 arc seconds
|
PRA1205
|
5.0mm
|
20-10
|
λ /8
|
< 30 arc seconds
|
PRA1210
|
10.0mm
|
20-10
|
λ /8
|
< 30 arc seconds
|
PRA1212
|
12.7mm
|
20-10
|
λ /8
|
< 30 arc seconds
|
PRA1215
|
15.0mm
|
20-10
|
λ /8
|
< 30 arc seconds
|
PRA1220
|
20.0mm
|
20-10
|
λ /8
|
< 30 arc seconds
|
PRA1225
|
25.4mm
|
20-10
|
λ /8
|
< 30 arc seconds
|
PRA1250
|
50.8mm
|
20-10
|
λ /8
|
< 30 arc seconds
|