This 52mm Pro Digital Precision Telephoto Converter features aluminum and glass construction for durability. Simply attach to the built-in lens of your compatible SLR Camera, Digital Camera, Camcorder, DV (Agfa, Apple, Canon, Casio, Epson, Fuji, Hewlett Packard, Kodak, Minolta, Nikon, Olympus, Pentax, Panasonic, Polaroid, Sony, Toshiba etc). With this converter, your zooming power doubles creating a greater shooting range. See here for detals: http://www.bosity.com/p/10002016/Telephoto-Converter-Lens/Converter-Lens/2-0x-52mm-Telephoto-Converter-Lens.html Because we ship direct from the factory, therefore we can offer it at very competitive price. We also have discount policies for our products: a. Free Shipping for all orders over $29. b. Flat shipping $5.95 per order (in case your orders under $29). c. $5 discount for all orders over $20. Coupon Code = GETONE.