New Astrographs

These will be new members in BORG astrograph family.

71FL F3.9, 275mm f.l.

45EDII F5.0, 225mm f.l.

I start the star test with 5D Mark II and figuring out the best optical tuning while adjusting back focus distance these days. All look going well entire 35mm full frame. I hope I will have the chance to take some astro photography shortly. Although above are Mini Borg setup, Series 80 configuration will be available as well, so Feather Touch focuser can be used with. (45EDII might be a bit challenge since the tube must be 50mm long or shorter) I expect they will be available this fall.  I believe these will be best wide-field optics in the market.

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~ by tedishikawa on May 5, 2011.

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