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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 013-1880 Symmetrical Biconvex Lens- 25mm dia.
OptoSigma 013-1880 Symmetrical Biconvex Lense- 25mm in diameter

OptoSigma 013-1880 Symmetrical Biconvex Lens- 25mm dia.

Your Price: $13.50
In Stock
Part Number:509
The OptoSigma 013-1880 lens has a diameter of 25mm and a focal length of 100.60mm. Made of Grade A BK-7 glass and uncoated, this lens is 3.5mm thick in the center and 2.0mm thick on the edge. Clear aperture is greater than 90%, surface quality is 20-10, and centration is equal to or less than 1 arcmin. Symmetrical biconvex lenses are most useful when dealing with finite conjugal points. This makes them ideal for imaging uses and multiple-element systems. New and still wrapped in factory tissue.

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