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OPTICAL LENS ASSY 11 MM DIAMETER X 9.9 MM LONG, EST EFL 18 MM

$4.25 USD
Product Code: L14016
Availability: In Stock

A lens assembly consisting of 3 lenses, spacers and a retaining ring. The elements are too small for us to measure directly with our equipment, but are estimated at: a plano-convex, 9.5 mm diameter, 12 mm focal length; a double concave 8.5 mm diameter; and a plano-convex 8.5 mm diameter , 12 mm focal length. The glass elements are all anti-reflection coated.

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