Atik EFW2

We’re pleased to introduce a new motorized filter wheel, with multiple filter capability. This new wheel employs exchangeable filter disks, allowing for multiple combinations, and has large 54mm openings on both sides. With these features, the EFW2 can easily support sensors up to full frame (35mm) format. The EFW2 also features a slick design, with a slim and lightweight profile. For example, the distance between any Atik camera and the wheel itself is 0mm, while still maintaining the possibility to rotating the camera to any desired position. Total extra backfocus needed will be only 22mm.

Of special interest to Atik 383L+ users is the short distance from the filters to the CCD. THis means that popular 1.25" filters can be used with this sensor down to f/5, without any relevant vignetting.

Filter disk options include 5x50.8mm, 5x2” mounted, 7x36mm and 9x1.25” mounted.

On the sofware side, the EFW2 has an ASCOM compliant driver, so that ant compliant software can control it. Additionally, the EFW2 can be controlled our Artemis Capture software, for easy, simple and efficient operation.

What's included in the box?

  • EFW2 body with your choice of filter disk
  • 2" adapter
  • Hex key kit
  • Screws, plastic washers and o-rings (with specific disk options)
  • 3-metre USB cable
  • 1.8-metre battery power connector
  • CD-ROM with drivers, software and user's manual (PDF)
  • Quickstart guide (paper).

A universal (110-230V) power adapter is optional.

System requirements: Pentium III PC with 128MB RAM, XP/Vista/Win7/Win8 (not RT), CD-ROM drive and USB 2.0 port.


See Technical Specs
User's Manual
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