Vixen AXD2 Goto mount with AX103S APO Triplet - 4" ZWO EAF So you already own a

So you already own a Bresser EXOS-2 mount and want to take a big step forward into the world of Astrophotography

As with all cameras

calculating the backfocus of flattener or making tedious connection to match the distance

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Vixen AXD2 Goto mount with AX103S APO Triplet - 4" ZWO EAF So you already own aThe AX103S Refractor is a professional grade ED Triplet Apochromat and has been developed for astrophotography for all cameras up to and including full frame cameras and this one has a Triplet ED lens and at the rear area there is an image field flattening lens. This f8 refractor can also use an optional focal reducer which can further reduce the focal ratio to achieve even faster results in astrophotography. The 60 mm ring on the focuser allows you