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contrast-rich skies
Suitable for visual observation and astrophotography
ISBN: 9780521173636
L-Pro Specification
this mount has Polar Alignment Software
ZWO EFW 7 Position Electronic Filterwheel for 2 Inch Filters Astro Fi contrast-rich skiesZWO EFW 7 Position Electronic Filterwheel for 2" Filters This is the ZWO EFW 7 Position Electronic Filterwheel for 2 inch Filters, and is most likely one of the smallest 7 position filter wheels in the world. It is also extremely lightweight, it weighs 400g only. Its housing is CNC machined from aircraft grade aluminium alloy. The stepper motor, that is the heart of any electronic filter wheel, is made by a reliable Japanese company, NPM. You can
