Focuse travel length for "ZWO 1.25″ Manual Filter Wheel"

painkiller

Hi,

Any one know how many mm backfocus length the Filter Wheel will take? Try to find the right spacer for my setup. Thanks.

Sam@ZWO

the thickness of the MFW is 20mm

painkiller

one more thing. If I screw the camera to the Nosepiece adapter as I noticed it is threaded, how long is that add to the focus travel length? Thanks.

Sam@ZWO

painkiller wrote:
one more thing. If I screw the camera to the Nosepiece adapter as I noticed it is threaded, how long is that add to the focus travel length? Thanks.

the height of the 1.25" adapter is 25mm

and thinkness of T -1.25" is 1mm

so 26mm will added

painkiller

Hi Sam,

Thanks for the prompt respond.

How about screw the camera use M42*0.75 thread direct to filter wheel without use that T to 1.25" holder? Is there adapter come with it? If yes, how many mm it add? Thanks.