AOK 110mm Kutter Schiefspiegler
Fig. 2: My 110 mm Kutter Schiefspiegler made by Astro Optik Kohler (AOK) on a Vixen GP-D2 equatorial mount. Telescope meeting, Ahornalp. — EXIF: Nikon D3; Δt=1/1600 s; f=85 mm; f/5.0; ISO 200; 2009-05-22 17:53:01