Product Description
ZWO ADC is voted as “HOT SKY PRODUCT – 2017” by SKY&TELESCOPE magazine!
ZWO Atmospheric Dispersion Corrector is used to reduce the effect of atmospheric dispersion on lunar and planetary images
The prisms are the heart of the ADC
Material: H-K9L(Schott BK7)
Surface Accuracy: λ/10@632.8nm
Deviation Angle: 2°
UV friendly AR Coating
Martin Lewis tells you what an ADC is and why do we need it?How to use it?
Here is a review of ZWO’s ADC by Martin Lewis.
Some test images show the difference between using ADC and without ADC
Jupiter from Emil with ASI174MM and ZWO ADC
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 one month.
- 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: info@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.
James Goodall – :
Hi again guys,
I needed to carefully clean my ZWO ADC because of dust motes (even though it was new). I had no problem cleaning and re-assembling but I wonder if I could have installed one or both of the lenses wrong/backwards? Does it matter? Is there a coating on one side The reason I ask is that the adjustment angles with the levers seems a little odd and extreme when reducing the RGB mis-alignment…
All the best
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Katherine Tsai – :
If it is placed in the wrong way it will have impact.
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James – :
Hi guys,
I needed to carefully clean my ZWO ADC because of dust (even though new). I had no problem cleaning and re-assembling but I wonder if I could have installed one or both of the lenses wrong/backwards? Does it matter? The reason I ask is that the adjustment angles with the levers seems a little odd to reduce color alignment…
Btw, I’m getting an ASIAIR next week and am VERY excited about the features! I’m especially looking forward to the Polar Alignment routine and the Nikon DSLR connectivity as well as for using my ASI071, etc. Thank you very much for all the hard work in creating such a useful imaging tool and thanks for listening to your customers requests and suggestions.
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Katherine Tsai – :
Hi James,
We have a document about how to clean the ADC, if it is place in a wrong way it will have impacts.
You can send an email to support@zwoptical.com for help.
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Jason – :
Is there a 2″ eyepiece compatible version?
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Sean Wang – :
Sorry, we don’t have, only support 1.25″
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Tim Kimbler – :
Is there an adapter to attach my 290mc to the ADC? I would like to remove the eyepiece holder if possible. I need to reduce back focus so I can use an external focuser on my C9.25. Thanks
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Sean Wang – :
Hi Tim
Don’t worry about back focus of C9.25, even add a external focuser, it won’t be a problem. I recommend keep eyepiece holder on ADC, if you insist to take it off, you will need a T2-T2 adapter to connect the ADC body with camera body.
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