Filter size for SCT running at f/10 and f/6.3

robby9newbie

I am looking at the ASI1600MM Pro kit K1 which has the 1.25 screw in filters. Would I get any vignetting using the 1.25 filters when imaging at f/10 and f/6.3 or should I get the 31mm filters?

Thanks

Robin

Support@ZWO

1.25" still can be used.

robby9newbie

If I got the 31mm filters would there be any vignetting imaging at f/10 and also at f/6.3.

Thanks

Robin

Support@ZWO

1.25" filter can support F5 telescope without vignetting.