New EOS Lens Adapter for EFW

Product Description

The Short EOS adapter for EFW&Cooled camera(6.5mm backfocus version).

Extend distance: 17.5mm

This new type is unadjustable. EOS-EFW support Canon EF lens only, cannot work with EF-S lens.

So you can use Canon Lens with ASI1600 and EFW

Before first usage of this product read Manuals and install correct Drivers and Software.

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.

Do you have question, answer or comment? Post here!

Sandy – January 19, 2021:

Hi, can this be used with an asi120mm-mini and the 5 position mini filter wheel?

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- Support@ZWO – January 20, 2021:
  
  120mm-mini need OAG or guide scope. This adapter can work with EFW mini.
  
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tomare – November 5, 2020:

When will this adapter be in stock for shipment? it says Available on backorder?

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- sara.liu – November 9, 2020:
  
  It is in stock at present. Please place order on our website directly;-)
  
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Karol – September 23, 2020:

Does the adapter work with EFW Mini only or also the bigger 7 and 8 position wheels? I would like to connect ASI1600MM PRO with the bigger EFW to a Samyang 135mm EF lens.

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- ZWO.Moson – September 24, 2020:
  
  Yes, this adapter can also work with 1.25″, 31mm and 36mm 7 or 8 position EFW.
  
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Miguel Angel – May 12, 2020:

I have Asi1600 MM-P camera, ZWO EFW filter wheel (8 x 1.25 ″) and Canon EF-S lenses.

Is there any piece that allows to use the new generation of Eos adapters, for Canon EF-S lenses?

Does the older generation of Eos adapters allow use with Canon EF-S lenses?

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- Moson – May 13, 2020:
  
  Sorry we don’t have a piece that can use for Canon EF-S lenses. And the older generation of Eos adapters can not use with Canon EF-S lenses.
  
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naptune722 (verified owner) – April 1, 2020:

Can I use this with Samyang 135mm lens(canon EF mount)?

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- Moson – April 3, 2020:
  
  Yes,you can use Samyang lens with EFW.
  
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Bigfish – March 17, 2020:

When using this on a 183 Pro do I also need an 11mm spacer or a filter wheel?
Is this correct?
Thank you!

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- Katherine Tsai – March 18, 2020:
  
  Yes, you will need an EFW but do not an 11mm spacer.
  If you want to connect the Canon lens without EFW, you can refer to this link:
  
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Bigfish – March 17, 2020:

Can I use this on the 183 Pro and any new Canon lens?

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- Katherine Tsai – March 17, 2020:
  
  Yes but please also notice that this adapter supports the EF lens only.
  
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Chris Hanson – January 28, 2020:

What comes in the box?

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- Katherine Tsai – February 5, 2020:
  
  What you see from the first picture is what you get in the detail page.
  
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bluerain1426 – January 14, 2020:

Can I install filter inside?

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- Katherine Tsai – February 5, 2020:
  
  No.
  
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Jonathan – January 8, 2020:

Can we get a version that includes an OAG prism built-in? Possibly pre-spaced for asi120mm+canon backfocus requirements? I’m unable to find a way to OAG+EFW on a Canon or Nikon lens. Even an optional pre-drilled prism hole would be lovely for using the prism from the ZWO OAG!

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- Katherine Tsai – January 9, 2020:
  
  Sorry we do not have it.
  
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