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> OptoSigma 013-1660 Symmetrical Biconvex Lens, 25mm dia.
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 013-1660 Symmetric Biconvex Lens- 25mm dia.
OptoSigma 013-1660 Symmetrical Biconvex Lens, 25mm dia.
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The OptoSigma 013-1660 lens is a Symmetrical Biconvex lens, measuring 25mm in diameter and having a focal length of 26.50mm. Made of Grade A BK-7 Glass and uncoated, it is considered to be most useful when dealing with finite conjugate points. This makes it ideal for 1:1 imaging systems or multi-element setups. OptoSigma rates the clear aperture at greater than 90%, the surface quality 20-10 (scratch/dig), and the Centration at one arc minute or less. New, and still wrapped in factory tissue.
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