[Ukastronomer (Jeremy)]

Originally Posted by beren

Sorry for asking but is the mirror lock fully disengaged ? The old Meade Mapug pages might offer some ideas, predates the ACF range but the mechanics would roughly be the same ......

http://www.skymtn.com/mapug-astronom...G/ImgShift.htm

I agree my ED Celestron has mirror lock, has it been focused without dis engaging the locks at any time