ZWO FF80 APO QUADRUPLET f/7.5 QHY10 making imaging of targets surrounded

making imaging of targets surrounded by bright stars such as the Horsehead Nebula pain-free

25" barrel Full-extension length 28mm SKU

The initial setup of the open-closed position of the panel need to be set up via Wander Empire software

The focal plane is at the front of the optical system so it is not possible to use an eyepiece

ZWO FF80 APO QUADRUPLET f/7.5 QHY10 making imaging of targets surroundedThe ZWO FF80 is a professional apochromatic flatfield Petzval quadruplet with a focal ratio of f 7. 5 and an image circle of 44mm in diameter. The FF80 includes two Extra Low Dispersion glass elements for superb correction of chromatic aberration. The FF80 supports full frame cameras such as the ASI6200, with a central RMS radius of only 3 microns. Differently from standard ED refractors, the FF80 features a Petzval design that does not require to set