Brand: FOR CANON Product model:  EF 17-55mm f / 2.8 IS USM Product Name: Aperture About US We are professional digital camera accessories supplier that specific in this field more than 10 years. the main brand are: Canon Nikon Fuji Olympus Panasonic Samsung Sony and other brand accessories, include lens, LCD screen, motherboard, shutter group, motor group, aperture group,etc. all the items will be checked and test strictly before send. Return policy: All items is 30 days warranty. If the items you received is damaged, please let us know and we will help you. * If you return the item for any reason within 30 days of receiving the item, we will refund your payment. However, the buyer should ensure that the returned item meets the original conditions. Shipping policy We will send the items to customer address that be provided in eBay account. If you wish to send the item to a different address, please confirm with eBay before placing the order. please ensure that the postal address is correct and we are not responsible for the loss of mailing due to incorrect and invalid addresses. Multinational shopping sometimes generates customs fees, and buyers bear the costs. If you are satisfied with our products and services, we sincerely hope that you can leave us positive feedback and 5 points DSR. Your support will improve our business. We will be very grateful!