25.4x25.4x35.9mm UV Fused Silica Porro Prism
Specification:
Items |
Description |
Porro Prism |
Material: |
UVFS(Corning 7980 0A) |
Length of Legs: |
25.4x25.4+0.0/-0.254mm |
Length of Hypotenuse: |
35.9+0.0/-0.254mm |
ROC1: |
infinity |
ROC2: |
infinity |
Flatness: |
S1&S2&S3:TWD<1/10L@633nm |
Surface quality: |
S1&S2&S3:40-20 |
|
S4&S5:fine ground |
Angle tolerance: |
90deg+/-3arcmin |
|
45deg+/-3arcmin |
Pyramidal: |
<3arcmin |
Perpendicularity: |
<3arcmin |
Clear aperture: |
>90% |
Chamfer: |
0.254-0.3508mm(FW)x45+/-1deg |
Coating: |
uncoated |
Standard: |
MIL-PRF-13830B |