Sky-Watcher Skymax-127 Maksutov-Cassegrain Telescope ZWO EAF adapter

thingiverse

NOTE = THIS PROJECT IS ONLY SUITABLE FOR A SKYMAX 127 AND ZWO EAF WHERE THE DOVETAIL BAR IS ON THE SAME SIDE AS THE FOCUSING KNOBFeatures:A simple to attach adapter which extends the dovetail bar providing a platform to fit the zwo EAF in two possible options:The EAF shaft attaches directly onto the focusing knob with the advantage of zero backlash but leaves only enough room for a smallish astro camera.The EAF shaft attaches to the focusing knob via two cogs leaving enough room for a larger camera or DSLR.Requirements:ZWO EAF with its included ‘L’ shape bracket, flexible coupling and mounting screws.A photographic standard ¼” 20tpi bolt, about 20mm long with a countersink head4 x M3 nuts, 2 x 20mm bolts and 1 x 6mm boltAssembly:Place 3 nuts in the nut holder tray and push into the adapter block ensuring the nuts line up with the bolt holes.Push 1 nut into the slot of the focus cog and screw in the 6mm bolt (for Option 2)Slide the adapter block onto the dovetail bar and screw tight with the ¼” bolt, this should give you a firm extension but if not there is a slot on the side of the adapter to fit a cable tie around the telescope tube.Fit the ‘L’ bracket to the adapter, with 2 M3 bolts, either way round for Option 1 or 2.For option 1, attach the EAF to the knob using a flexible coupling.If using Option 2, do not mesh the cogs too tight otherwise you may be putting sideways pressure on the EAF shaft.Push fit either option connectors onto the rubber focusing knob. Tip – make a test print of a slice of one of the knob connectors first to ensure 100% is the correct setting for your printer and adjust if not a tight fit.Check your meridian flip settings to ensure the EAF does not hit your mount when pointing up towards the meridian.