Atik EFW 3 Filter Wheel

Atik EFW 3 Filter Wheel
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Atik EFW 3 Filter WheelAtik EFW 3 Filter WheelAtik EFW 3 Filter Wheel
£499.00
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In stock - Shipped 1-2 working days.

Model:  atik_efw3_7x2
Part Number:  ATK0161
Brand:  Atik

INCLUDED IN THE BOX

  • EFW3 Body
  • 7x 2” or 7x 50.8mm Carousel
  • 2" adapter 
  • Hex key kit
  • Screws, plastic washers (only with 50.8)
  • 3-metre USB cable
  • 1.8-metre battery power connector
  • CD-ROM with drivers, software and user's manual (PDF)
  • Quickstart guide (paper)

7 Position 2″ Electronic Filter Wheel for Large Format Cameras

The EFW3 is ideal for use with large format cameras due to its ability to carry up to 7×50.8mm unmounted or 7×2” mounted round filters. This means you can house both LRGB and Ha, OIII and SII filter sets in the same carousel, adding more freedom and convenience to your imaging set up.

For a large format wheel, the EFW3 boasts a slim, lightweight design. It measures 238×213mm dimensions and weighs in at just approx. 850g. This is great news for large format set ups where weight can be a real concern. That said, the wheel is fully compatible with any Atik camera when using the supplied M54 adapter or alternately the optional M42. We’ve simplified the technical side of the design from the EFW2 to further improve reliability and minimise component wear and tear. However, it’s still machined from solid aluminium to produce a durable and quality wheel that will keep turning, night after night.

Atik 16200 users will also be pleased to know that the EFW3 can be attached directly to the camera and, if the front plate is removed, the backfocus of that combination is reduced to just 34.5mm. 

On the software side of things, the EFW3 has a full ASCOM driver, so any complaint software can be used to control it. Additionally the EFW3 can be controlled using our Artemis Capture software, for simple and efficient operation.

Mechanical Drawing

There are currently no specifications available for this product.

Atik EFW 3 Filter Wheel Questions & Answers

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Premium quality and operation
Friday, 27 April 2018  | 

Having been the user of two EFW2's for a couple of years, I had no hesitation in buying the EFW3 on release to enable me to use 7 x 2" filters with my Atik 16200 camera, which uses a large APS-H sensor.

The filter wheel is designed with this camera in mind, although it works perfectly with others, and has been used with my SX Trius, and the camera can be either fitted using the rotatable adaptor, or by screwing the camera directly to the rear housing of the wheel casing.

The quality of the finish and machining is typically Atik, with no compromises made in this area. This includes the all aluminium carousel, and the Atik standard spring loaded motor, which makes removing and installing the carousel extremely easy.

Operationally it has been flawless, and comes with the ASCOM drivers and works perfectly with Atik's own Artemis software. Whilst the motor is almost entirely silent, Atik has moved away from optical or Hall effect sensors for location identification, and instead is a mechanical switch which pulses via cut-outs in the carousel. This means the wheel has a metallic clicking when operating which is not unduly loud, but is noticeable. This does not detract from the accuracy of positioning, with each filter sitting absolutely centrally within the opening every time.

Operation is in one direction only, which is not an issue, but with the mechanical switch means plenty of clicks if running a complete cycle.

It comes with all the fixings and cables needed for operation, including a cigar lighter type power cable, but not the supply. It also comes with 2 Allen keys for removing the cover and using the rotating camera adaptor.

Absolutely no negatives that I have found with this, and it has operated flawlessly both via Artemis and ASCOM (SG Pro).

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