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Alignment Telescopes / Optical Tooling
> 71-7101 Diopter Tester - Calibrated
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.
71-7101 Diopter Tester -Calibrated
71-7101 Diopter Tester - Calibrated
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$1,400.00
Availability:
1
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Part Number:
983
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Customer Reviews
The 71-7101 Diopter Tester has been made by both Keuffel & Esser and Cubic Precision. This one has been Calibrated by the Brunson Instrument Company and is ready to ship. This instrument is VERY hard to find, and usually needs repair, but this one is serviced and calibrated. With a range of 9 diopters- from +4 to -5, this has a vernier drum with the major divisions reading whole diopters, and the small divisions equal to 0.2 diopters. Interpolation to 0.1 diopter is easily possible. This instrument is used to check the range and find zero on focusing eyepieces on optical instruments like binoculars, telescopes, rangefinders, theodolites, and spectrometers. It also is used to measure the field curvature of a lens, determining the range of a focusing eyepiece, and measuring the astigmatism of a telescope. One ready to ship...the others will have some lead time to get through the Brunson Calibration Lab...
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