ZWO Mini Electronic Filter Wheel  (EFW) - 5 x 1.25″ or 5 x 31mm
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ZWO Mini Electronic Filter Wheel  (EFW) - 5 x 1.25″ or 5 x 31mmZWO Mini Electronic Filter Wheel  (EFW) - 5 x 1.25″ or 5 x 31mmZWO Mini Electronic Filter Wheel  (EFW) - 5 x 1.25″ or 5 x 31mm
ZWO Mini Electronic Filter Wheel  (EFW) - 5 x 1.25″ or 5 x 31mmZWO Mini Electronic Filter Wheel  (EFW) - 5 x 1.25″ or 5 x 31mmZWO Mini Electronic Filter Wheel  (EFW) - 5 x 1.25″ or 5 x 31mm

ZWO Mini Electronic Filter Wheel (EFW) - 5 x 1.25″ or 5 x 31mm

£174.00
  (11 Reviews)
✓ 2 year warranty

:  

3x in stock shipped 1-2 working days

About this product

Model:  zwo_efw_mini
Part Number:  ZWO-EFW-MINI

The smallest and most lightweight 1.25" electronic filter wheel available. Only 300g!

FEATURES

  • Supports 5x 1.25" mounted filters or 5x 31mm unmounted filters.
  • Stepper motor made by NPM from Japan - quality and reliability you can trust.
  • Rotates in both directions for faster filter selection
  • CNC machined body from a full block of aircraft grade aluminium enabling a very thin 20mm design.
  • Powered by USB - max consumption around 150ma@5v
  • ASCOM driver

Filter to sensor distance when connected to the ASI1600 is around 10mm, you can use 1.25" filters without vignetting up to f/5 or 31mm filters up to f/2.

Includes M2 screws and washers required for fixing unmounted 31mm filters.

Important Note: 1.25" filters require threads shorter than 3mm and the height without threads must be less than 7mm.

Camera in picture not included ;-) The short USB cable pictured is supplied with the ASI1600 cameras with USB hubs.

Mechanical Drawing

What's in the box

  • EFWmini Body
  • T2 Nosepiece
  • 1.25" Holder to T2
  • T2-T2
  • USB2.0 Cable
  • M2 Screws & Washers for 31mm Filters

Downloads / Manuals

The following manuals and downloads are available for this product:

Software

ZWO Software and Drivers

 

Customer reviews

Average Rating (11 Reviews):  
Write a Review and share your opinions!

Rating (max 5):  
Perfect Addition
Thursday, 16 September 2021  | 

If like me you like to switch between objects, then this is a great addition to have, and as I am fortunate to have a permanent setup, this avoids the obvious swapping of filters as you change object, thus eliminating the possibility of dust getting into the setup.

I use OSC cameras, so with five slots, this allows me to move from Narrowband to a Moon filter!

Setup is very easy and works well with, ASCOM and PC and ASI AIR Pro ( note with the ASI air, lack of ability to rename the slots, so have a plan!)


Rating (max 5):  
Great size for ASI533MC
Wednesday, 1 September 2021  | 

I bought this to compliment my ASI533MC as I want to be able to swap between a UV/IR filter and the Optolong L-eXtreme filter without introducing dust into my system. The system is well sealed and does not offer any open spaces to allow dust in so long as the rest of the imaging train is affixed.

ZWO include a screwdriver so you don't need to use any other tools to open up the filter wheel. On the inside, there are numbers against each filter slot which corresponds with the index position within whatever software you use to drive the filter wheel. Once I installed my filters, I wrote down the filter position and filter type onto a sticky label and affixed to the outside of my filter wheel so I can remember which filter is where (more on this later). The 1.25" filters are a perfect size for the ASI533MC as the filter wheel is attached directly to the camera.

The system plays nicely with my ASI Air Pro as you would expect. At arms distance the filter wheel makes zero noise when indexing. Sadly, the ASI Air software doesn't allow you to freely name your filter (there's options for L, Dark, R, G, B, S, H, O etc) so right now the L-eXtreme is shown as "2" to indicate the index position number, hence why I put the sticky label on the filter wheel!

All in all, this filter wheel is well worth the money and I cannot see any downsides.


Rating (max 5):  
ZWO Mini EFW
Wednesday, 11 August 2021  | 

Solid, compact and very quiet in operation. Have used with Astronomik filters without issue.


Rating (max 5):  
Zwo Mini Electronic Filter wheel
Sunday, 8 November 2020  | 

Great product, absolutely silent and smooth operation, fair price and fast delivery by First light optics to germany. Many thanks!


Rating (max 5):  
ZWO Mini Filter Wheel
Monday, 13 July 2020  | 

Bought this to use with Optolong and ZWO filters together with my ASI1294MC Pro .
Really excellent filter wheel and would highly recommend it.


Rating (max 5):  
Great value for money.
Sunday, 7 June 2020  | 

It's hard to get something as good for this money. Very good build quality and works perfectly with my ASIAIR. Highly recommended.


Rating (max 5):  
Solid piece of kit
Monday, 25 May 2020  | 

Pretty solid piece of kit. Does exactly what it says on the tin. Price is a bonus. Iíve this attached to an ASI 1600MM and a ZWO OAG. All fits together nicely and worked straight out of the box.


Rating (max 5):  
Well made and good accessories
Tuesday, 28 April 2020  | 

Very solid build quality and comes complete with various extras such as thread adaptors and washers/screws for unmounted filters etc. Even a screwdriver! Small and quite light. Fits nicely with my 1600mm cool. Usual great service from FLO. Very happy customer.


Rating (max 5):  
ZWO F/W
Tuesday, 5 March 2019  | 

This Filterable proved an Ideal replacement for my old Atik Unit. I could not get a driver to install. Even Atik support had no solution. Perhaps Windows 10 could not accommodate the device.
However, the ZWO was a joy to install, it took about five minutes, and job done.
The price was pleasing too, I only needed a 5 filter one, and this little fellow suited both my requirement, and my wallet.
Thanks to FirstLightOptics too for a great service too.
Staff always ready to advise.


Rating (max 5):  
Good quality product
Wednesday, 13 February 2019  | 

The filter wheel is perfect for narrowband filters, very smooth on the filters switch, and very well done !. Very solid aluminum, ! the only problem is! , if same filters have more them 3mm high , the filter wheel will donít work becouse the filters wheel will be stuck and do not change filters , in my case : I buy from China a UHC for my small light aberration, was a nice filter but dint fit , , my new choice was Astronomik filters and perfect choice , Ps: ty FLO and crew for the advices and support ,


Read all 11 customer reviews...

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