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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.
71-2430 Planing Prism
71-2430 Planing Prism

71-2430 Planing Prism

Your Price: $2,100.00
In Stock
Part Number:1040
The 71-2430 Planing Prism is no longer made by any manufacturer, but offers unique ablilities. Mounted to the front of any Alignment Telescope, or Line Telescope with an A.I.A. Standard 2-1/4" diameter barrel, The line of sight can be "swept" across more than 180 degrees. This plane is accurate to 2 seconds of arc. Useful for establishing long horizontal or vertical lines without moving the telescope at all!. This does not mean you are limited to horizontal or vertical---you can sweep any angle and see if all components line up! There is a optically flat mirror mounted in the base that allows you to determine 90 degree angles, as well as a mirror on the top rotating knob to establish lines.

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