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15MM PENTA PRISM
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Item No: L2097D
Price: $25.00
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| Penta prisms are 5 sided prisms that reflect light rays thru a 90 degree angle by 2 reflections. They do not invert or revert the image. The reflecting surfaces are aluminized and protected by black paint. This one has 15mm square faces. These prisms also shorten the length of an instrument. Made of BK7 optical glass with 60/40 surface quality, dimensional tolerance of +-0.10mm, angle tolerance of +-5 arc mins, and 1/2 wave flatness. Unused. Edmund sells similar prism for $72.50 |
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