ZWO FF65 APO - 65 mm f/6.4 APO Petzval Refractor - FF65-APO vendor-SharpStar "You may know there'''s a

"You may know there'''s a long history of naming telescope eyepieces after their designers: Kellner

The 300 mm Vixen-style mounting plate matches the ring

A 1/4"-20 threaded socket on its base allows it to attach to most photo/video tripods

but does not include an eyepiece

4" Focusers)

ZWO FF65 APO - 65 mm f/6.4 APO Petzval Refractor - FF65-APO vendor-SharpStar "You may know there'''s aZWO APO Clearance Sale going on NOW! Hurry, place your order now for best chance of snagging one of these APO refractors before they are gone. Remember, this sale is only good while supplies last from the manufacturer! The ZWO FF65 APO is a f 6. 4 APO refractor with a flat field optical design there is no need to add a field flattener to this system! This quintuplet telescope has two elements made of ED glass, which controls chromatic aberration as