BK7
Penta prism can deviate an incident beam without inverting or reversing to 90°. It is commonly used in Plumb Level, Surveying, Alignment, Range finding and Optical Tooling.
Size(mm)
Part No.
1 min. deviation
30 sec. deviation
10 sec. deviation
7x6
PTP101
PTP111
PTP121
10x10
PTP102
PTP112
PTP122
15x15
PTP103
PTP113
PTP123
Specification:
Material:
BK7 Grade A optical glass
Dimension Tolerance:
+0,-0.2mm
Bevel:
0.2 mm to 0.5 mm x 45 °
Clear Aperture:
>80%
Surface Quality:
60-40 scratch and dig
Flatness:
l /4 at 632.8 nm
Reflectivity:
R > 95% per face
90 ° deviation tolerance:
As Table