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Optical Zoom: 2X - Focal Length: 300mm
This Tele Converter will multiply the focal length of the existing lens by 2x, and will cut back the amount of light by 2 f/stops. For example, using a 2x teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm. A lens set to f/2.8 will now be f/5.6. Note: Due to the high optical quality of this teleconverter, this item will only fit and work with a select list of lenses. Please click here for a compatibility chart of all compatible lenses. Note: The DG denotes added coating that ...Details on Sigma 2X EX DG APO Teleconverter for Minolta/Sony AF
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Focal Length: 420mm - Focal Length: 500mm - Lens Aperture: 32f-stops - Lens Aperture: 4f-stops
This Tele Converter will multiply the focal lenght of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example, using a 1.4x teleconverter with a 300 mm lens will effectively increase the focal length to 420mm. A lens set to f/2.8 will now be f/4. Note: Due to the high optical quality of this teleconverter, this item will only fit and work with a select list of lenses. Please click here for a compatibility chart of all compatible lenses. Note: The DG denotes added coating ...Details on Sigma 1.4X EX DG APO Teleconverter for Minolta/Sony AF
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Optical Zoom: 2X - Focal Length: 500mm - Focal Length: 300mm - Lens Aperture: 32f-stops
This Tele Converter will multiply the focal length of the existing lens by 2x, and will cut back the amount of light by 2 f/stops. For example, using a 2x teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm. A lens set to f/2.8 will now be f/5.6. Note: Due to the high optical quality of this teleconverter, this item will only fit and work with a select list of lenses. Please click here for a compatibility chart of all compatible lenses. Note: The DG denotes added coating that ...In Stock





Optical Zoom: 2X - Focal Length: 300mm - Lens Aperture: 32f-stops
This Tele Converter will multiply the focal length of the existing lens by 2x, and will cut back the amount of light by 2 f/stops. For example, using a 2x teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm. A lens set to f/2.8 will now be f/5.6. Note: Due to the high optical quality of this teleconverter, this item will only fit and work with a select list of lenses. Please click here for a compatibility chart of all compatible lenses. Note: The DG denotes added coating that ...In Stock





Focal Length: 420mm - Lens Aperture: 4f-stops
This Tele Converter will multiply the focal lenght of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example, using a 1.4x teleconverter with a 300 mm lens will effectively increase the focal length to 420mm. A lens set to f/2.8 will now be f/4. Note: Due to the high optical quality of this teleconverter, this item will only fit and work with a select list of lenses. Please click here for a compatibility chart of all compatible lenses. Note: The DG denotes added coating ...In Stock





Optical Zoom: 2X - Focal Length: 300mm - Lens Aperture: 32f-stops
This Tele Converter will multiply the focal length of the existing lens by 2x, and will cut back the amount of light by 2 f/stops. For example, using a 2x teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm. A lens set to f/2.8 will now be f/5.6. Note: Due to the high optical quality of this teleconverter, this item will only fit and work with a select list of lenses. Please click here for a compatibility chart of all compatible lenses. Note: The DG denotes added coating that ...In Stock
Focal Length: 420mm - Lens Aperture: 32f-stops - Lens Aperture: 4f-stops
This Tele Converter will multiply the focal lenght of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example, using a 1.4x teleconverter with a 300 mm lens will effectively increase the focal length to 420mm. A lens set to f/2.8 will now be f/4. Note: Due to the high optical quality of this teleconverter, this item will only fit and work with a select list of lenses. Please click here for a compatibility chart of all compatible lenses. Note: The DG denotes added coating ...Details on Sigma 1.4X EX DG APO Teleconverter for Nikon AF-D
In Stock
Focal Length: 420mm - Lens Aperture: 4f-stops
This Tele Converter will multiply the focal lenght of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example, using a 1.4x teleconverter with a 300 mm lens will effectively increase the focal length to 420mm. A lens set to f/2.8 will now be f/4. Note: Due to the high optical quality of this teleconverter, this item will only fit and work with a select list of lenses. Please click here for a compatibility chart of all compatible lenses. Note: The DG denotes added coating ...In Stock
Focal Length: 420mm - Lens Aperture: 4f-stops
This Tele Converter will multiply the focal lenght of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example, using a 1.4x teleconverter with a 300 mm lens will effectively increase the focal length to 420mm. A lens set to f/2.8 will now be f/4. Note: Due to the high optical quality of this teleconverter, this item will only fit and work with a select list of lenses. Please click here for a compatibility chart of all compatible lenses. Note: The DG denotes added coating ...In Stock
Optical Zoom: 2X - Lens Aperture: 32f-stops
The 2.0X APO Tele Converter EX DG from Sigma is mounted between the camera body and the lens to increase the focal length of your camera by 2.0X. Featuring focal length of 2.0X and aperture coupling range of F2.8 - F32, the APO Tele Converter EX decreases the effective aperture by two F-stops. This tele-converter employs lens coating technology to reduce both flare and ghosting. Compact and lightweight, this tele-converter is a convenient way of converting lenses into long focal-length lenses, therefore ...Details on SIGMA 2.0X EX APO DG Teleconverter For SONY
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Focal Length: 420mm - Lens Aperture: 4f-stops
This Tele Converter will multiply the focal lenght of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example, using a 1.4x teleconverter with a 300 mm lens will effectively increase the focal length to 420mm. A lens set to f/2.8 will now be f/4. Note: Due to the high optical quality of this teleconverter, this item will only fit and work with a select list of lenses. Please click here for a compatibility chart of all compatible lenses.&ref=BecomeDetails on Sigma 1.4X EX APO Teleconverter for Minolta/Sony AF
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Focal Length: 420mm - Lens Aperture: 4f-stops
This Tele Converter will multiply the focal lenght of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example, using a 1.4x teleconverter with a 300 mm lens will effectively increase the focal length to 420mm. A lens set to f/2.8 will now be f/4. Note: Due to the high optical quality of this teleconverter, this item will only fit and work with a select list of lenses. Please click here for a compatibility chart of all compatible lenses.&ref=BecomeDetails on Sigma 1.4X EX APO Teleconverter for Sigma AF
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Optical Zoom: 2X
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Optical Zoom: 2X - Focal Length: 300mm
The 2X teleconverter (also known as a tele-extender) will multiply the focal length of the existing lens by 2X, and will cut back the amount of light by 2 f/stops. For example, using a 2X teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm. A lens set to f/2.8 will now be f/5.6. Teleconverters are not recommended for lenses wider than 50mm, e.g. 28-105mm. However, full AF operation is only possible with lenses with open aperture of f/2.8 or brighter. Please be aware that AF ...Details on Kenko 2X Teleplus MC4 DG Teleconverter for Minolta/Sony AF
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$124.95
$89.95Optical Zoom: 2X - Focal Length: 300mm
The 2X teleconverter (also known as a tele-extender) will multiply the focal length of the existing lens by 2X, and will cut back the amount of light by 2 f/stops. For example, using a 2X teleconverter with a 300 mm lens will effectively increase the focal length to 600 mm. A lens set to f/2.8 will now be f/5.6. Teleconverters are not recommended for lenses wider than 50mm, e.g. 28-105mm. However, full AF operation is only possible with lenses with open aperture of f/2.8 or brighter. Please be aware that AF ...Details on Kenko 2X Teleplus PRO 300 DG Teleconverter for Minolta/Sony AF
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Optical Zoom: 3X - Focal Length: 300mm
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 3 times (3x) teleconverter will increase the focal of 300mm lens to 900mm. The Teleplus PRO 300 converter is made with high quality multicoated optical glass supplied by Hoya Corporation, the worlds largest ...Details on Kenko 3X Teleplus PRO 300 DG Teleconverter for Minolta/Sony
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Focal Length: 500mm - Lens Aperture: 5f-stops
150-500mm f/5-6.3 DG HSM APO Autofocus Lens for Pentax AF, Zoom Super Telephoto, Compatible w/Sigma APO TeleconvertersDetails on Sigma 150-500mm f/5-6.3 DG HSM APO Autofocus Lens for Pentax AF
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$1470.00
$999.00





Optical Zoom: 2X - Focal Length: 300mm - Focal Length: 200mm - Lens Aperture: 2f-stops
The Kenko Teleplus Pro 300 converter is made with high quality multi-coated optical glass supplied by Hoya corporation, the worlds largest manufacturer of optical glass. This glass will match the optical quality of the prime lens (even at the edges, unlike many teleconverters on the market today). The optical design of the elements and light path is wide enough not to cause any vignetting. They are designed specifically to be use with telephoto lenses of 100mm or above, and work best with telephoto lenses of ...Details on Kenko K20PRO300DGN 2X Teleplus PRO 300 DG Teleconverter for Nikon AF-D
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Focal Length: 450mm - Lens Aperture: 4f-stops
The 1.5x teleconverter (also known as a tele-extender) will multiply the focal length of the existing lens by 1.5x, and will cut back the amount of light by one f/stop. For example, using a 1.5x teleconverter with a 300mm lens will effectively increase the focal length to 450mm. A lens set to f/2.8 will now be f/4. This DG teleconverter has upgraded Gate-Array IC circuitry to work better with digital SLR's and some of the digital SLR lenses*. This means that the converter's unique circuitry maintains signal ...Details on Kenko 1.5x DG AF Teleplus Teleconverter for Pentax
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Focal Length: 450mm - Lens Aperture: 4f-stops
The 1.5x teleconverter (also known as a tele-extender) will multiply the focal length of the existing lens by 1.5x, and will cut back the amount of light by one f/stop. For example, using a 1.5x teleconverter with a 300mm lens will effectively increase the focal length to 450mm. A lens set to f/2.8 will now be f/4. This DG teleconverter has upgraded Gate-Array IC circuitry to work better with digital SLR's and some of the digital SLR lenses*. This means that the converter's unique circuitry maintains signal ...Details on Kenko 1.5x DG AF Teleplus Teleconverter for Minolta/Sony
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