Celestron Edge 8"
9/11- Never Forget.
Takahashi FS-102, FS-60C, SolarMax 40, Double Stack SM90 Etalons, DMK 51, DMK21 - for solar. AP1200 mount, 12" RC F/8, TV-140, WO-132, WO-102, WO-GT81, TMB80SS - for deep sky. 24" F/6.5 Harmer-Wynne astrograph under construction, 24" F/4 Dobsonian under construction, 12" F/4 astrograph under construction.
SLAP Observer --- TMB130SS, SV102V(LOMO Lens), SV80ED Deluxe "The only thing necessary for the triumph of evil is for good men to do nothing." -- Edmund Burke. "People sleep peaceably in their beds at night only because rough men stand ready to do violence on their behalf." -- George Orwell "The measure of a man’s greatness is not determined by what he accomplishes for himself, but by what he accomplishes for others.” -- Some Bald Guy
WO Megrez 120 ED on GP Mount
WO ZenithStar 80 ED II on Porta II
10" Meade LightBridge/Paracorr
Orion ED 100 on Polaris Mount
Astro-Tech 8" f6 Dob
Bushnell Ares 5
Meade 226 2.4" f11.7
SpaceScope 2.4" f15
The Tasco Answer Man
Quote:Hi Wiro. When I had an AT66 before the GT81, I experienced the same issue. I wound up increasing the tension on the focuser and all was good. There's probably a way to do this with WO OTAs too but I'm not familiar with how to do it.I've had no problems with my own focuser and there's little play when rotating it. I'm very impressed with the usefulness of the DDG focuser. It's cloudy here in Washington State but in a test shot I was able to snap to focus immediately after establishing a reference value.P
You can adjust the tension by tightening the black hex screw. That's the one almost in the middle of the black bottom plate, close to the big focus lock knob.
Usually it needs just a little bit of adjustment
- Jared Willson