Sigma V18 Tele Converter f/ AF Video Camera (x1.8) (BRAND NEW) This V18 Sigma Tele Converter comes with 2 protective Caps, a Black Case, Instruction Manual and Warranty. "This tele converter is perfect for any video camera! I love using it and it has exceeded my expectations!" -R. Deftone, photographer

The dedicated APO teleconverter can be mounted between select lenses and the camera body to increase the focal length by the power of 2.0x. The new multi layer coating reduces flare and ghost, which is a common problem with digital cameras. They demonstrate best performance with DG series lenses. They also offer maximum photography magnification by 2.0 x, without any variation in the minimum focusing distance. Compact and lightweight, these teleconverter convert your lenses into longer focal-length lenses, so you don't have to do a lot of unnecessary footwork.

The dedicated 1.4x APO Teleconverter features a high performance 5 element/3 group optical design, and it is optimized for use with long telephoto and telezoom lenses.The high performance optical characteristics of these teleconverters maintain the optical performance of the compatible lenses with which they can be used. Sigma APO Tele Converter 1.4x and 2x are dedicated Tele Converter lenses, which should be used only with the listed lenses. The 1.4X Convertor will fit the following lenses 180mm f/3.5 APO MACRO EX HSM - MF 300mm f/2.8 APO EX HSM - AF 300mm f/4.0 APO MACRO - MF 400mm f/5.6 APO MACRO /HSM - MF 500mm f/4.5 APO EX HSM - MF 800mm f/ 5.6 EX HSM - MF 70-200mm f/2.8 EX HSM - AF 70-210mm f/2.8 - MF 50-500mm f/4-6.3 APO - MF 100-300mm f/4 EX HSM - AF 120-300mm f/2.8... Less

vcc113 (319147) Untitled 2 2x TeleConverter for Pentax SLR AF K10D K100D K110D K20D K200D Description New Page 1 ! BRAND NEW ! 2X AUTO FOCUS TELECONVERTER MADE BY DIGITAL OPTICS for Pentax FULL U.S.A FACTORY WARRANTY Description Designed to double the focal length of prime lenses while maintaining full auto focus SAMPLE CHART IF YOU HAVE A LENS COMPATIBLE WITH Pentax AUTO FOCUS ANY BRAND OR MAKE WILL WORK WITH THE 2X CONVERTER YOU WILL GET ZOOM 80 - 200mm 160 - 400mm 70 - 300mm 140 - 600mm 100 - 300mm 200 - 600m 25 - 105mm 50 - 210mm Depth Of Field : 1/2 Of Prime Lens Focusing Distance : Same As Prime Lens Diaphragm Coupling : Fully Automatic Reduction In Lens Speed : Approx. 2 Stops Multi-Coated Optical Glass Engineered to Highest Precision Enlarges Central Part of Image Optimized for... Less