Helical Focuser adapter for 4.5" and 114mm Newtonian telescope
Description
This adapter lets you use a cheap ebay helical focuser to replace the sloppy rack and pinion focuser that comes with the telescope. Search on ebay or aliexpress for "SVbony Metal High Precision Double Helical Focuser for 1.25" " The helical focuser only has 10mm travle, so you might need to adjust the primary mirror to get it to focus. I designed this for a touptek GPCMOS style bullet camera body that sits inside the focuser. It might work for eyepieces too.
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