FS-60CB望遠鏡用CQ-1.7X增距鏡 (TKA20595)

Screwing this behind the FS-60CB objective basically gives me a second scope in one tube, and the field stays flat right to the edges. Star tests look clean, no color fringing even on the moon.

Finally got this to turn my FS-60CB into an FS-60Q, and the 1.7x magnification is spot on for lunar close-ups. The threaded connection behind the objective screws on smoothly with no wobble.

Screwed this onto my FS-60CB and it basically turns the scope into an FS-60Q, which is exactly what I wanted. Stars that used to be soft blobs at high power now split cleanly, and there's no noticeable dimming. It's a permanent part of my kit now.