ZWO FF131 APO Refractor with AM7N Mount Bundle - FREE TC40/PE200! - FF131+AM7 Imaging Mounts Optical Design Schmidt-Cassegrain Aperture (mm)

Optical Design Schmidt-Cassegrain Aperture (mm) 355

5 mm focal length 82° AFOV

Their big aperture allows you to see fainter objects like M81 galaxy in Ursa Major or M13 globular cluster in Hercules

modern astrophotography and cellphone astrophotography

exotic optical glass for the best possible image correction in color

ZWO FF131 APO Refractor with AM7N Mount Bundle - FREE TC40/PE200! - FF131+AM7 Imaging Mounts Optical Design Schmidt-Cassegrain Aperture (mm)This special bundle from ZWO includes the FF131 APO Refractor, the AM7 Harmonic Mount, and a FREE TC40 Tripod & PE200 Tripod Extension, for a savings worth over $600! Offer good while supplies last! About the ZWO FF131 APO Refractor. Main Features Flexible Connectivity for Multiple Configurations Four Element Optical Design The FF131 APO features a four element, fully air spaced apochromatic optical design. All four elements work together to deliver a