Product Description
Manual 5-position 1.25″ Filter Wheel with a numbered “click” at every position to make the task a breeze.
Changing filters couldn’t be simpler. Use the best MFW you can find on market!
thickness 20mm

Shipping
It will take around 60-90 days for shipment via ePacket/China Post Registered Air Mail/EMS, which can’t be guaranteed due to force majeure.
- Fast Shipping(amount ≧ 199USD) for free
- Fast Shipping(amount < 199USD) : $20.00 (We do not provide free shipping from now on.)
If you can’t get the air mail package after 2months, please let us know ASAP: info@zwoptical.com
Introduction
- Fast Shipping: we will choose DHL, UPS, FedEx etc to deliver it. Usually you will get your package within 7-14 days.
- Customers from Brazil and Chile should leave a message to provide your CPF or CNPJ as your custom needs it.
- Customers from Russia need to provide the complete English name with three words as well as the English shipping address.
Tracking site
DGM: http://webtrack.dhlglobalmail.com/?locale=en-US
China air mail: http://www.17track.net/en
Tax
- The price list on our website is USD without tax.
- Please note that buyers are liable to pay tax involved, such as Import tax, VAT , customs handling fee, etc. The additional fees may be collected at time of delivery by courier.
- For best local service we advise customers buy our cameras form local dealers.
Warranty and Return Policy
- We provide 2-year warranty for our products, we will offer the repair service for free within warranty period. After the warranty period, we will continue to provide repair support and service on a charged basis. We do not provide any replacement unless ZWO confirmed the product is DOA (Dead On Arrival).
- This warranty does not apply to damage that occurred as a result of abuse or misuse, or caused by a fall or any other transportation failures after purchase.
- Customer must pay for shipping when shipping the camera back for repair or replacement. If we confirm you can get a replacement, goods must be returned with all accessories, instructions, etc and must be suitably packed.
- If you get a faulty camera, please contact us as soon as possible though email: support@zwoptical.com. Please describe the problem in detail and we will do our best to help you solve the problem. Most instances perceived problems are simply bad driver install or software configuration.
- We will provide you RMA number if your camera requires warranty repair. We refuse any return without RMA number!
- For customers who bought the camera from our dealer, dealer is responsible for the customer service for you.
Enzo – :
Hi, is the backfocus 20 mm? Or 19 mm?
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sara.liu – :
The thickness is 20mm.
Here is the link of 55mm back focus solution for your reference.
https://astronomy-imaging-camera.com/tutorials/best-back-focus-length-solutions-55mm.html
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p.s.zhukov – :
Hello. What is the weight of the filter wheel?
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sara.liu – :
Around 0.52KG with box
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Tim Kimbler – :
Will the wheel and 1.25 filters work with a 1600mc pro?
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Moson – :
Yes,this wheel and 1.25 filters can be used with 1600mc pro.
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Tim Kimbler – :
Can I use this filter wheel with my 1600 Mc pro and 1.25 filters? Or will it clip the corners of the cmos chip? Thanks
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Moson – :
Yes,you can use this filter wheel with your 1600 Mc pro and 1.25 filters.And it will not clip the corners of the cmos chip.
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Alex – :
can use “Filter Wheel (5 x 1.25″) ” to 294mc pro?
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ZWO ASI Camera – :
yes, it can
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Alex – :
can use “Filter Wheel (5 x 1.25″) ” to Zwo 294mc pro?
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ZWO ASI Camera – :
yes,it can. And the F-number of telescop is more than F5.
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Ludovic DUVERT-GAUGE – :
Hi, does it work with ASI 183MM ?
Cheers,
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Katherine Tsai – :
Yes, it does.
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Simon – :
Hi, does this have T2 threads either side like the electronic version ?
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Sean Wang – :
Yes, it is.
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pilon – :
Hi Sam,
Can I fit my Focal Reducer and Barlow Lens in this wheel (their barrels have a rise of 12mm and 15mm from their threads)? Or what is the tallest “filter” that will fit inside the wheel please? Thanks Sam!
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Sean Wang – :
7mm is the max thickness.
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Ian – :
Can this wheel fit 31mm unmounted filters? I can’t see the screw holes that the efw-mini has
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Sam Wen – :
no, it only support 1.25″ filters
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simon downing – :
I have a total back focus length of 55mm to fill. I have various spacers and the CCD’s own back focus within that but does this filter wheel take up 20mm of the optical train? I read it was 19mm but some say 20mm. Thanks. Simon
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Sam Wen – :
it take 20mm optical train
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Burak – :
Hi Sam,
When will you release the motorized wheel and what is the price going to be?
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Sam Wen – :
we will upload it today
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Andreas – :
Hi Sam,
are there plans for a motorized version of the filter wheel? Or maybe an option to upgrade a motor? It would be great to have an ASCOM compatible filter changer for automatized observations!
Thanks & Regards
Andreas
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Sam Wen – :
release soon!
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Moisés – :
It accept 1.25 meade color filtros?
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Sam Wen – :
I think so if the screw is M28.5X0.6
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garrett – :
Hello. What is the diameter of the filter wheel?
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sottaku – :
Hi Sam
Is this filter wheel fit to Astronomik LRGB Filter 1.25″ Round Mounted ?
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Sam Wen – :
I am not sure, you need to find out the thread
our filter wheel is M28.5*0.6
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Darek – :
Hello, what material is the MFW made from? Does it have threads on both sides?
Best Regards
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Sam Wen – :
M42*0.75 thread both sides
it’s made of aluminium alloy by CNC
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Pablo – :
What is the weight of this filter wheel?
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Sam Wen – :
it’s around 200g
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pkluo – :
Hi, Do we know the Total optical length of this filter wheel if using a camera with nosepiece? Thanks.
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Sam Wen – :
the thickness of the MFW is 20mm, the height of 1.25″ adapter is 25mm
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Alberto – :
Good morning, you can use “Filter Wheel (5 x 1.25″) ” to ASI120MM – S camera (mono ) ?
Thank you
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Sam Wen – :
yes,it can
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