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> OptoSigma 015-0165-A55 Anti-Reflection Coated Plano Concave BK-7 Lenses
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 015-0165-A55 Plano Concave BK-7 Lens
OptoSigma 015-0165-A55 Anti-Reflection Coated Plano Concave BK-7 Lenses
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The OptoSigma 015-0165-A55 Plano Concave lens is Broadband Anti-Reflection Coated for 425-675nm and is made of grade A BK-7 Glass. The diameter of these simple negative lenses is 25mm, with a -40.0mm focal length. The edge thickness is a nominal 2.0mm, so they can be mounted in a variety of lens mounts. The useable clear aperture is over 90% of the lens, and OptoSigma rates the centration at less than or equal to 1 arc minute. These are new and unused, still in their OptoSigma factory lens paper.
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