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This iOptron Electronic Automatic Focuser (iEAF) is designed for both Crayford and Rack-and-Pinion focusers. It is powered by a 5V USB port. The fo...
View full detailsThis iOptron Electronic Focuser (eFocuser) is designed for iOptron PhotronTM Ritchey-Chrétien (RC) telescope dual-speed focuser. Now you can focus ...
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