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

5x5

PTP12005

PTP0105

PTP1105

10x10

PTP1210

PTP0110

PTP1110

15x15

PTP1215

PTP0115

PTP1115

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