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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.
Brunson 81-1 Autocollimating Alignment Telescope
Brunson 81-1 Alignment Telescope with 90-degree eyepiece

Brunson 81-1 Autocollimating Alignment Telescope

Your Price: $3,800.00
In Stock
Part Number:245
Functionally, the Brunson 81-1 is identical to the Brunson 81, but has the added benefit of a 90 degree eyepiece. The eyepiece can swivel to allow easiest viewing through the eyepiece. This example can focus from the front of the barrel (zero minimum focus) to infinity and has 30X erecting optics. This has a A.I.A. standard 2-1/4" diameter barrel. Suitable for all applications where a reference line must be established. This unit has autocollimation capabilities and can be equipped with a fiber-optic illuminator at nominal extra cost. A original Brunson illuminator, which utilizes a 3-1/2 volt flashlight bulb is also availble for $200.

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