8f7 Chief CN group build - optics layout, corrector lens cell and Zemax files
thingiverse
Cloudy Nights 8 inch F/7 group build Ed Jones started a thread on Cloudy Nights for a group build of an 8 inch F/7 Chief. A custom lens is needed to mate with a Newport Optics COTS lens so that all the optics for this design can be bought and assembled into an unobstructed telescope. The 8 inch F/7 is a standard primary listed on Discovery’s web site. As mentioned, the concave corrector is custom made (see https://opticaleds.com for additional info), the convex corrector is a Newport optics KPX205 lens. Then it uses a 2 inch secondary mirror and a standard 2.14 inch mirror will work fine from a number of suppliers. Printing: Corrector lens cell
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