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> Davidson Optronics D 523-103 Porro Prism Bench Mark
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.
Davidson Optronics D 523-102 Porro Prism Bench Mark
Davidson Optronics D 523-103 Porro Prism Bench Mark
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The Davidson Optronics D 523-103 Porro Prism is used to establish a azimuth reference line. A beam entering the prism will exit exactly parallel upon exiting. Any rotation about the axis parallel to the vertex of the prism will cause no angular deviation on the beam. This enables angular measurement in one axis, without regard to the other axes. All Faces of the BSC-2 prism are flat to within 1/2 fringe, the pyramidal error is limited to 10 seconds of arc maximum, and the Angle between 2 equal faces is 90 degrees +/- 3". The D 523-102 differs from the D 523 in that it has a mirror surface which is exactly perpendicular to the front face located on the right side (as viewed in the photo). The mirror is accessible through a 1 inch aperture machined into the aluminum housing of the prism. This comes in a foam-lined wooden case.
Davidson Optronics D-625-101 Adjustable Porro Prism
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