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GLASS ASPHERIC LENS, 54MM DIA BY 70MM FL
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Item No: L3478
Price: $5.00
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| Aspheric lens with very steep curve. Aspherics offer superior aberration correction for light concentration that would normally require several spherical elements. Clear diameter is 54mm, but total diameter including the edge is 62mm. Back curve is slightly concave and also aspheric. Back focal length is 70mm. Unused. |
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