Porro Prism is composed of one large face and two roof faces which are mutually vertical. Beam enters the large face of the prism then hits on the roof, by total internal reflection twice from the roof, the beam exits again through the large face.
Low cost for high quality products is the major advantage of DeLn Optics.Higher quantity discounts will be offered to OEM customers for larger orders. Contact DeLn Optics to save your costs.
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Material
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N-BK7 or UV Fused Silica
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Dimension Tolerance
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+0.0/-0.1mm
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Clear Aperture
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>90%
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Deviation
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Up to 180°±10 arc seconds
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Roof Angle Tolerance
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<5 arc seconds
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Flatness
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λ/10 at 632.8nm
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Wavefront Distortion
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λ/4 at 632.8nm
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Surface Quality
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60/40 scratch and dig
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Chamfer
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Sharp roof, other protective chamfered
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AR Coating
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None, Available
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N-BK7 Part No.
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Dia*h(mm)
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UVFS Part No.
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POPB0001
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2*2
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POPU0001
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POPB0002
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3*3
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POPU0002
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POPB0003
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5*5
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POPU0003
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POPB0004
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10*10
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POPU0004
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POPB0005
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12.7*12,7
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POPU0005
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POPB0006
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15*15
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POPU0006
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POPB0007
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20*20
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POPU0007
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POPB0008
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25.4*25.4
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POPU0008
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Note: The coatings are available upon request.