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Location: Main > Optical Prisms > Roof Penta Prisms > RPP-28-C-VIS
Name: 28mm Roof Penta Prism for Periscope System(AR_VIS)
P/N: RPP-28-C-VIS
Keywords:Aperture28mm,BK7,Roof Penta,AR,PAl-coated/Painted
Unit Price: S$1,250.00/pc
Available: In stock
Request: Add to Request List
Introduction:
Roof Penta Prisms are size-sided reflective-type prisms which are used to deviate light by a constant 90-deg. The reflections inside the roof penta prisms are not due to total internal reflection but due to the reflective coatings on three surfaces. The two adjacent transmitting surfaces (with right angled) can be AR coated upon customers' request. The light entering into the prism reflects inside the prism 3-time allowing the transmission of an image through a right angle without inverting or reversing it. Pair of this roof penta prism are typically used for integration of mobile periscope system.

Substrate Material:
Fine Anneal BK7 Optical Glass
Effective Beam
Size/Dimension:
H=28.0mm max
(Beam diameter: 28mm max)
Dimension Tolerance:
+/-0.2mm
Surface Quality:
40/20 scratch and dig
Surface Flatness:
< Lambda/8 @ 633nm (80% of clear aperture)
Angle Tolerance:
< 2 arc seconds (combined after 90-degree imaging bending)
Beam Exit Surfaces:
AR @ 400-700nm dielectric coating(R<0.5% max,0-deg AOI)
Reflective Coating:
Aluminized coating for high internal reflection with inconel and black paint outer protected
Top/Bottom Surfaces:
Ground; For mounting purpose; Product serial number marked on top for identifying.