五角棱镜

 

 Penta prism can deviate an incident beam without inverting or reversing to 90o. The deviation angle of 90o is independent of any rotation of the prism about an axis parallel to the line of intersection of the two reflecting faces. It is commonly used in Plumb Level, Surveying, Alignment, Rangefinding and Optical Tooling.



Specification for standard penta prism:


Material:  BK7 Grade A optical glass
Dimension Tolerance: +0,-0.2mm
Flatness:  λ/4 at 632.8 nm
Surface Quality: 60-40 scratch and dig
Clear Aperture: >80%
Bevel: 0.2 mm to 0.5 mm x 45o


Reflectivity: R > 95% ( for design wavelength) per face

90deg. deviation tolerance

30sec. devation

10sec. devation

Axh (mm)

Part No.

Part No.

3.2x3.2

PTP0101

PTP0201

7x6

PTP0102

PTP0202

10x10

PTP0103

PTP0203

15x15

PTP0104

PTP0204

 
 Note: Other sizes, material and coatings are available upon request.

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