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Refractor (Lens)

William Optics RedCat 71 WIFD - 71mm F4.9 Petzval Refractor Telescope

WO_T-C-71RDII
€ 2.295,00
Newest version (gen III) of the best-selling William Optics RedCat71 4-element Petzval refractor telescope 350mm focal length, f/4.9 focal ratio Premium quality FPL-53 glass for color free apochromatic performance Brand new WIFD focuser design M48, M54, and M68 male threads for attachment to cameras and accessories Seamless integration with ZWO EAF Soft...
Robtics Telescopen Robtics Telescopen 2
Refractor (Lens)

ZWO FF80 - 80mm 600mm f/7.5 Petzval Refractor Telescope Quadruplet APO OTA

ZWO_FF80-APO
€ 1.650,00
ZWO FF80 - 80mm 600mm f/7.5 Petzval Refractor Telescope Quadruplet APO OTA Quadruplet air-spaced APO design. No need to calculate back focus. Small and round stars, with a central RMS radius of 3um. Various adapters: M76/M68/M54/M48. Dual speed (1:10) focuser. Supports both fine and coarse adjustment. Self-flattening design. No need for a separate field...
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