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| Rik ter Horst | profile | all galleries >> Galleries >> telescopes | tree view | thumbnails | slideshow |
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 New 250 mm F/15 SCT |
 Solid telescope |
 250 mm F/8 MSDKCT |
 290 mm F/2.5 LYNX astrograph prototype |
 250 mm F/20 Toro Kutter telescope |
 2012-08-23 12.40.13.jpg |
 Optics for the LYNX |
 250 mm F8 Modified Schmidt Dall Kirkham Cassegrain Telescope |
 200 mm F/25 SCT |
 IMG111.jpg |
 IMG114.jpg |
 IMG048.jpg |
 IMG097.jpg |
 IMG049.jpg |
 SCT250 Back |
 200 mm schiefspiegler |
 SCT 250 F/15 |
 juli 2010 008.jpg |
 parabolic mirror.jpg |
 400 mm Dobson telescoop.jpg |
 40 cm F5 dobson telescoop.jpg |
 IMG_3279.JPG |
 IMG_3278.JPG |
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