That black plastic knob is only a protector for the fine focus underneath , just pull it off , it's for transporting in safety .
Brian.
Quote:
Originally Posted by RussellH
So I’ve caved and ordered the ZWO EAF auto focuser. Attached is an image of my focuser. Any clue how ai take the knob off? Instructions say the coarse knob, but I see no screw there like the one on the right?
|