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You will find some of the frequently asked questions about products. If you cannot find here an answer to your question please contact us
Yes, for sure.
We have a professional Quality Control team. 
They will check carefully for each item we received from suppliers and manufacturers to avoid sending defective goods to our customers.
If an item is found defective in our QC test, it will be returned to the supplier / factory. 
So please don't worry about receiving a defective item because we are committed to being a trustworthy and reliable seller on international on-line shopping market.
Dear customer, please tell us your lens model and camera model and other information, or provide photos of both ends of the lens, we will recommend suitable products based on your information.
Dear customer,Please offer us a video or several pics so that our Product Develop Team can dig deep and offer you a precise resolution accordingly. Please rest assured,K&F Concept comes with 12-month warranty.We will back our transaction all the time.