Light Glass Optics
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 Alignment Telescopes / Optical Tooling
 Thorlabs Outlet
 Line Tool Company
 New Focus
 Contrast Optical
 Melles Griot
 Microscopes- Leica, Mitutoyo, etc.
 Other Optics Items
 Collectible Optics
 Optical items on Sale!


 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 381-1 Alignment Telescope
Brunson 381-1 Alignment Telescope
Brunson 381-1 Alignment Telescope- 90 degree eyepiece and Current Calibration.
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2 In Stock
This Brunson 381-1 Alignment Telescope is basically the same as the Brunson 381 Alignment Telescope, with the difference being the 90 degree eyepiece. This compact Alignment Telescope is only 9-1/2 inches long and has a 1.750 barrel diameter. The 90-Degree eyepiece allows mounting in even tighter locations than the 381. This has a internal Paired-Line Autoreflection Target, and a filar, bifilar reticle in the eyepiece. The image is erect and with the low-reflection coated optics, offers 20X magnification at 2 inches and 30X at infinity. This is an excellent alternative to the Davidson Optronics compact line telescopes

 Related Items
Brunson Model 81 Line-of-Sight Autocollimating Alignment Telescope
Brunson 381 Compact Alignment Telescope
Brunson 81-1 Autocollimating Alignment Telescope
Davidson Optronics D-657 Tooling Autocollimator
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