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All Products / Optics / Prisms / Image Rotation Prisms / Half-Penta Prisms
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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

25mm Aluminized, Half-Penta Prism

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Stock #65-590 3-4 days
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Quantity Selector - Use the plus and minus buttons to adjust the quantity. +
€187,00
Qty 1-5
€187,00
Qty 6+
€150,00
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Specifications

General

Type:
Half-Penta Prism

Physical & Mechanical Properties

Height (mm):
35.35
Dimensional Tolerance (mm):
±0.10
Bevel:
Protective bevel as needed
Width (mm):
25.00

Optical Properties

Coating:
VIS 0° & Aluminized
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-BK7
Surface Quality:
40-20
Angle Tolerance (arcmin):
±3
Image Orientation:
Right-Handed
Coating Specification:
Entrance/Exit Faces: Ravg ≤0.4% @ 425 - 675nm
Reflecting Surface: Ravg >85% @ 400 - 700nm w/Black Overpaint
Ray Deviation (°):
45
Wavelength Range (nm):
425 - 675
Power (fringes) @ 632.8nm:
1.00
Irregularity (fringes) @ 632.8nm:
0.25

Regulatory Compliance

RoHS:
Compliant
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Certificate of Conformance:
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Product Details

  • Deviates Line of Sight by 45°
  • Combine with Schmidt Prism to Create Schmidt-Pechan Prism
  • Penta Prisms Also Available

Half-Penta prisms are used to deviate the line of sight by 45° without inverting or reverting the image. The reflecting surface is aluminized and over-coated with Inconel and black paint to increase efficiency. Combining a TECHSPEC® Half-Penta Prism with a corresponding size TECHSPEC® Schmidt Prism creates a Pechan prism pair. The Pechan prism pair will invert or revert the image while not deviating the line of sight. It can be used with converging or diverging light for system size reduction.

Technical Information

Half-Penta Prism Tunnel Diagram
Half-Penta Prism Tunnel Diagram
Dimensions
Stock No. A B C D
#65-587 10.00mm 10.82mm 2.07mm 14.14mm
#65-590 25.00mm 27.06mm 5.18mm 35.35mm

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