2x (Doubler) 4-element bayonet mount Teleconverter multiplies the focal length of any fine optic it's used with by 2x, maintaining the resolution and contrast at a high level.

2x (Doubler) 4-element bayonet mount Teleconverter multiplies the focal length of any fine optic it's used with by 2x, maintaining the resolution and contrast at a high level.

2x (Doubler) 4-element bayonet mount Teleconverter multiplies the focal length of any fine optic it's used with by 2x, maintaining the resolution and contrast at a high level.

2x (Doubler) 4-element bayonet mount Teleconverter multiplies the focal length of any fine optic it's used with by 2x, maintaining the resolution and contrast at a high level.

Today's digital SLR's have more precise requirements than traditional film cameras. The anti-aliasing filter and silicon based CCD and CMOS sensors in digital SLRs are HIGHLY reflective. PROMASTER's 2x Digital Auto Focus Teleconverter uses anti-reflection coatings that are specifically formulated to pass light reflected from the anti-aliasing filter and silicon based CCD or CMOS sensor of digital SLRs resulting in better pictures. In addition, these converters have been specially tuned to accommodate the more precise specifications required in order to insure communications compatibility between the digital camera and lens. 2X Digital Pro Converter - EOS For use with lenses with a maximum aperature of f/4.5 or higher Lens Construction: 7 Elements in 4 Groups Lens Coating: Multicoated... Less

Kenko AF 1.4x Super High Quality Teleplus converter also has genuine Gated Array IC and is compact for light weight and easy handling. Full AF is capable with lenses having a maximum aperture of F/4.5 or brighter. (Manual focusing will be required with lenses of smaller aperture.)Placed between the camera body and lens, a teleconverter contains a set of optics that will effectively increase the focal length of a lens by a specific amount. Common magnifications are 1.4 times and 2 times, but the Kenko teleplus PRO 300 AF converter has a 3x magnification. For example, using a 2 times (2x) teleconverter will increase the focal of 300mm lens to 600mm. The Teleplus PRO 300 converters are made with high quality multi-coated optical glass supplied by Hoya Corporation, the worlds largest... Less

The PRO 300 3x is an auto-exposure, manualfocus converter designed for use with lenses of 50mm or above and work best with telephoto lenses of 100mm to 500mm. The PRO 300 3.0x can be used with telephoto zoom lenses as well as prime lenses. However, Kenko does not recommend them for lenses that have a zoom range that starts under 50 mm.

FREE SHIPPING!. Canon 2x EF Extender III (Teleconverter), 2.0x Magnification Factor, Microcomputer Controlled, Spectra Coating Reduces Ghosting/ Flare, Protective Fluorine Coating, Dust and Water Resistant

Kenko AF 1.5x Super High Quality Teleplus converter also has genuine Gated Array IC and is compact for light weight and easy handling. Full AF is capable with lenses having a maximum aperture of F/4.5 or brighter. (Manual focusing will be required with lenses of smaller aperture.)Placed between the camera body and lens, a teleconverter contains a set of optics that will effectively increase the focal length of a lens by a specific amount. Common magnifications are 1.4 times and 2 times, but the Kenko teleplus PRO 300 AF converter has a 3x magnification. For example, using a 2 times (2x) teleconverter will increase the focal of 300mm lens to 600mm. The Teleplus PRO 300 converters are made with high quality multi-coated optical glass supplied by Hoya Corporation, the worlds largest... Less

The Vivitar 1.4x Auto Focus Tele Converter for Canon is an easy way to noticeably extend the reach (focal length) of compatible lenses. The 1.4x Tele Converter can be mounted between select lenses and the camera body to increase the focal length by the power of 1.4x. The new multi layer coating reduces flare and ghost, which is a common problem with digital cameras.They also offer maximum photography magnification by 1.4 x, without any variation in the minimum focusing distance. Compact and lightweight, these teleconverters convert your lenses into longer focal-length lenses, so you don't have to do a lot of unnecessary footwork.

Capture all the action with this high grade telephoto conversion lens. Great for sports, scenery, and events! . This Item Includes: Lens, Lens Cap, Lens Bottom Cover, Lens Pouch.

Capture all the action with this high grade telephoto conversion lens. Great for sports, scenery, and events! . This Item Includes: Lens, Lens Cap, Lens Bottom Cover, Lens Pouch.

The Kenko Teleplus MC 7 AF converter has the effect of doubling the focal length of your lens. For example, using the MC 7 AF teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm. Placed between the camera body and lens, a teleconverter contains a set of optics that will effectively increase the focal length of any lens it is used with. The Kenko Teleplus MC 7 AF converter has the effect of doubling the focal length of your lens. For example, using the MC 7 AF teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm.

The PRO 300 3x is an auto-exposure, manualfocus converter designed for use with lenses of 50mm or above and work best with telephoto lenses of 100mm to 500mm. The PRO 300 3.0x can be used with telephoto zoom lenses as well as prime lenses. However, Kenko does not recommend them for lenses that have a zoom range that starts under 50 mm.

Placed between the camera body and lens, a teleconverter contains a set of optics that will effectively increase the focal length of any lens with which it is used. The Kenko TelePlus MC7 AF 2.0X DGX converter has the effect of multiplying the focal length of your lens by 2.0x, turning a 300mm lens into an equivalent 600mm lens. The MC7 AF 2.0X DGX converter has genuine Gate Array IC (Integrated Circuitry). It means the converter's unique circuitry maintains signal integrity between the camera body and lens.The 7-element design is made with high quality multi-coated optical glass supplied by Hoya Corporation, the world's largest manufacturer of optical glass. Full AF operation with the TelePlus MC7 AF 2.0X is possible using camera lenses with open apertures of F2.8 or brighter. AF will... Less