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> OptoSigma 013-1370 Symmetric Biconvex Lens 20mm diameter
Lightglass Optics is where you can find the largest selection of Newport, Line Tool Company, OptoSigma, Thorlabs and other manufacturers of fine optomechanical equipment. By selling pre-owned equipment, Lightglass Optics can fill your Optical Research equipment needs at a substantial discount- saving those precious budget dollars. In addition, we have more Alignment Telescopes on our shelves than anybody else..anywhere!- currently over 100 - made by Keuffel and Esser (K&E), Brunson, Cubic Precision, Davidson Optronics, Engis, Taylor-Hobson and others. We also have supporting Optical Tooling to go with them. Just click on any line item to go to the page for that item.
OptoSigma 013-1370 20mm dia. Symmetrical Biconvex Lens
OptoSigma 013-1370 Symmetric Biconvex Lens 20mm diameter
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The OptoSigma 013-1370 Lens is a symetrically convex positive lens. It is made of grade A BK-7 and is uncoated. The diameter is 20mm, and has a focal length of 21.2mm. The Center thickness is 7.1mm, while the edge is 2.0mm thick. With a surface quality of 20-10 and centration of one arcmin or less, these are ideal for 1:1 imaging systems or part of a multi-element system. New, wrapped in factory tissue.
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