Shelyak Alpy & Uvex Photometric Slit 23/200 (SE0145)

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Shelyak Alpy & Uvex Photometric Slit 23/200 Special photometric slit for the Alpy 600 spectroscope (to be used with the guiding module) and UVEX. See product description Cf Christi an Buil web pages (some in french) on this method:http://www.astrosurf.com/buil/calibration2/method.htmhttp://www.astrosurf.com/buil/calibration2/absolute_calibration_en.htmhttp://www.astrosurf.com/buil/alpy600/photometric_slit.htm Technical Specifications Includes a 23µm slit part (to get the optimal resolution) and a 200µm wide slit part (to get all the light for photometry). In the Box Shelyak Alpy & Uvex Photometric Slit 23/200 Manual & Warranty Shelyak 1-Year Warranty Show more