Help with Edge Hd 8 Backfocusing

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HenryScholz avatar

Hello,

I recently have gotten an Edge HD 8, but I am yet to get the accessories. I have settled on an Asi174mm Mini guide scope and a ZWO Oag-L, but the problem is, with my asi533mm pro (17.5mm with plate) and filter wheel (20mm), I cannot get the imaging train to reach the correct back focusing (133.35mm). The oag L needs an adaptor (5mm, m48) that cannot connect to the edge hd 8 t adapter either (78.35, m42). Would someone be able to help me figure this out?

Thanks in advance,

Henry

Well written Respectful
andrea tasselli avatar

M48 to M42 adaptor with zero optical depth.