ZWO 5-Position Electronic Filter Wheel for 1.25" or 31mm Filters # EFWMINI

Manufacturer description provided below. Better description coming soon.

• 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 block of aircraft grade aluminium.
• Very thin design, 20mm ONLY
• The step motor is the heart of the EFWmini, which is made by NPM from Japan. You can trust its quality and relability. 
• Supports both 5*1.25″ filters or 5*31mm filters
• The Electronic Filter wheel can be rotated in both counter clockwise or clockwise direction for filter selection.
• Only one USB Cable is enogh to power up the EFW, the max power consumption is around 120ma@5V, so you can connected it form the USB2.0 hub of our cooled cameras.
• The distance between the filter and sensor is around 10mm when you connect it to ASI1600.
• So 1.25″ filters won’t have vignetting up to F5 focal ratio scope and 31mm filter won’t have vigentting up to F2 lens
• Our new RGBL filters are recommended to work with ASI1600, it will offer nearly 1:1:1 RGB color balance.

The full EFW mini Set includes:

• EFW mini body, T2 nosepiece, 1.25″ Holder-T2, T2-T2, USB2.0 Cable
• 1.25″ filter requires: threads length shorter than 3mm, height without threads less than 7mm
• 31mm filter requires: a set of M42 screws and washers needed to fix the filters are included in the package .

How to use it:

• You just need to plugin the EFW mini with USB2.0 cable and install the  ASCOM driver
• There are  ZWO Filter Wheel(1) and ZWO Filter Wheel(2) to select,  you can use either one of them
• There are 2 ASCOM is for controling 2 EFWmini in one software.