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ZWO Hand Controller for EAF
Model: zwo_eaf-hcPart Number: ZWO-EAF-HC
Enables you to use the ZWO EAF as a stand-alone motor focus system without a computer, smart-phone or tablet.
Simple and reasonably well made. Provides a usefull ability to focus manually without using software so well worth having.
You need this if you have a mobile setup for initial focus