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Control all your gear on your tablet or smartphone 4x power outputs to power your 12V accessories 4x USB ports to connect your electronic devices ...

ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing our range of colour ASI cameras. The Duo-Band filter is aimed at t...

In perfect condition, open box This bracket is designed to work with C8 and C9.25 the Celestron SCT scopes. You can directly connect it to the sco...

Introducing 5V EAF, the upgraded version of the original ZWO EAF. This electronic focuser enables precise, dynamic focus control for planetary and ...

ZWO EFW 5 x 2″Product weight：EFW 5 x 2″=500g / EFW 7 x 2″=650gPower supply：USB2.0Control Mode： ASCOM and SDKDriver：Free of driverThe filter wheel b...

ZWO EFW 7 x 2″Product weight：EFW 5 x 2″=500g / EFW 7 x 2″=650gPower supply：USB2.0Control Mode： ASCOM and SDKDriver：Free of driverThe filter wheel b...

The new 36mm EFW (Electronic Filter Wheel) independently developed by ZWO for astronomical mono cameras. With the larger body and the newly-added s...

The 50mm electronic filter wheel is CNC milled from an aircraft-graded aluminum block. Quality guaranteed! Adopting the quality step motors produ...

Our latest EFW (Electronic Filter Wheel), larger than the previous but still low on weight. Only 400 grams (14 oz)!The body is CNC milled from an a...

The smallest and most lightweight 1.25″ Electronic Filter Wheel in the world!300g ONLY ! Small than your hand !The body is CNC machined from a full...

The New filter Drawer for EOS Lens，26.5mm thickness is independently designed by ZWO and specifically made to match with ASI cooled cameras and EOS...

New filter Drawer with a thickness of 29mm that can be used for carrying 2” filter and connecting ASI cooled cameras to Nikon Lens.It is compatible...

Easily switch 2" mounted filters Eliminates light leaks Compatible with most 2" mounted filters Optical length of 21mm Description Specificatio...

Easily switch 2" mounted filters Eliminates light leaks Compatible with most 2" mounted filters Optical length of 20mm Description Specificatio...

Additionnal 2" filter holder for your ZWO M42 V2 filter drawer. It is not compatible with older filter drawers.

The new ZWO LRGB Filters are designed to approximately equalize the flux of ASI1600 mono sensorBetter transmission, Better coating, Better color...

Narrowband filter does not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast ...

Narrowband filter does not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast ...

Narrowband filter does not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast ...

Narrowband filter does not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast ...