M42-M42 extender (21mm length )

Product Description

Attached with the ASI071MC-C.

It can help you to reach 55mm back focus distance

for example:attach the 21mm extender to ASI071 to reach 55mm back focus distance:17.5mm+21mm+16.5mm=55mm

Before first usage of this product read manuals and install correct drivers and software.

Shipping

• Fast Shipping(amount ≧ 299USD) for free
• Fast Shipping(amount < 299USD) : $20.00
• Free Shipping(amount < 299USD) (Air Mail, 3-4 weeks) (Free)

If you can’t get the air mail package after 4 weeks, please let us know ASAP: info@zwoptical.com

Introduction

1. Fast Shipping: we will choose DHL, UPS, TNT, EMS etc to deliver it. Usually you will get your package in one week. We provide free fast shipping for order ≧ $299 or charge extra $20 for order < $299.
2. Free Shipping: we will ship via DGM or China Post Registered Air Mail. It usually costs 2-3 weeks to reach US or Europe and costs 3-4 weeks to reach far places.
3. Customers from Brazil and Chile should leave a message to provide your CPF or CNPJ as your custom needs it.
4. Customers from Russia need to provide the name of your company.

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.