Pay in 4 interest-free payments of $24.75 Learn more
Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
18mm eye relief
12 nema 217 motor bracket ( all aluminium ) for Az motor
you still must pay attention to the unavoidable tolerance between the installation of the collimator and internal diameter of a focuser
With this adapter
They are all made from GSO
Newtonian F/4 ~ F/6 Coma Corrector 18mm eye reliefThe coma corrector is 3 elements fully coated optics to elimninate the coma caused by Newtonian. The corrector comes with a T thread adapter to be attached with DSLR directly. The demo pictues show the difference when the coma corrector is used for Moon photography. The item is free shipping in US mainland only.
US$ 27.95
US$ 79.99
US$ 27.95
US$ 24.99