Size of screw holes on 7x50mm square filter wheel/ASI461

astrovienna

Can you tell me what size screws are used to attach the 50mm square filter wheel to the ASI461 camera?

I'm actually planning to attach the wheel to an Octopi tilt adjuster, and I need to know what screws the wheel uses so that I can have the Octopi machined for them. I plan to get the wheel later this spring, and want to get the Octopi ready now. Thanks for your help.

Tech@ZWO

astrovienna The screw holes on the EFW body does not have the threads, so you just need to confirm the threads size on the Octopi tilt adjuster and make sure the size is smaller than the EFW screw holes size, and the position of the holes also need to be aligned.

astrovienna

Thanks. Just to be sure, the holes on the EFW are 3.2mm in diameter, correct? That seems to be what the engineering drawing shows.

Tech@ZWO

astrovienna Yes, you are correct.