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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.
71-2410 Optical Square with Calibration
71-2410 Optical Square with Calibration

71-2410 Optical Square with Calibration

Your Price: $6,900.00
In Stock
Part Number:431
The K&E 71-2410 Optical Square mounts to any alignment telescope with a A.I.A. Standard barrel diameter of 2.2498 inches, such as the 71-2022, 71-2024, 71-2062, Brunson 81, 82, and 83, and the Taylor-Hobson/Engis telescopes. It utilizes a very precise penta prism to turn the optical path exactly 90 degrees, while still allowing straight-through viewing. This allows establishment of a right-angle line accurate to one second of 90 degrees. NSN 4920002327901.  We will supply it Calibrated, with the Cal Cert in the name of your company. It will be drop-shipped directly from the Cal Lab.  No longer manufactured by any company, so used is your only option...
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