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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. Note: The DG denotes added coating ...In Stock





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
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.&ref=BecomeDetails on Sigma 1.4X EX APO Teleconverter for Sigma AF
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
Details on Sony SAL-14TC 1.4x APO (D) Teleconverter for Sony & Maxxum AF





Focal Length: 420mm - Lens Aperture: 4f-stops
The 1.4x teleconverter (also known as a tele-extender) will multiply the focal length 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 300mm lens will effectively increase the focal length to 420mm. A lens set to f/2.8 will now be f/4. 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 Tamron 1.4X AF Teleconverter for Canon EOS
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Lens Aperture: 2f-stops
EC-14 1.4x Teleconverter Lens, High Grade Series, Dust & Splash Proof ConstructionDetails on Olympus EC-14 1.4x Teleconverter Lens
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
The Kenko 1.4x Teleplus Pro 300 DG converter has genuine Gate Array IC (Integrated Circuitry). It means that the converter's own unique circuitry maintains signal integrity between the digital or photo camera body and lens. These converters are designed to electronically operate the same way as an original manufacturer's converter. The 1.4x teleconverter (also known as a tele-extender) will multiply the focal length of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example ...Details on Kenko 1.4X Teleplus PRO 300 DG Teleconverter for Nikon AF-D
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Focal Length: 420mm - Lens Aperture: 4f-stops
The Kenko 1.4x Teleplus Pro 300 DG converter has genuine Gate Array IC (Integrated Circuitry). It means that the converter's own unique circuitry maintains signal integrity between the digital or photo camera body and lens. These converters are designed to electronically operate the same way as an original manufacturer's converter. The 1.4x teleconverter (also known as a tele-extender) will multiply the focal length of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example ...Details on Kenko 1.4X Teleplus PRO 300 DG Teleconverter for Canon EOS
In Stock
Focal Length: 420mm - Lens Aperture: 4f-stops
The Kenko 1.4x Teleplus Pro 300 DG converter has genuine Gate Array IC (Integrated Circuitry). It means that the converter's own unique circuitry maintains signal integrity between the digital or photo camera body and lens. These converters are designed to electronically operate the same way as an original manufacturer's converter. The 1.4x teleconverter (also known as a tele-extender) will multiply the focal length of the existing lens by 1.4x, and will cut back the amount of light by one f/stop. For example ...Details on Kenko 1.4X Teleplus PRO 300 DG Teleconverter for Minolty/Sony
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Focal Length: 420mm - Lens Aperture: 4f-stops
The Tamron SP AF Pro teleconverter features improved optical construction, and is designed to be used with lenses that are f/2.8 and of focal lengths of 90mm or greater. The 1.4x teleconverter (also known as a tele-extender) will multiply the focal length 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 300mm lens will effectively increase the focal length to 420mm. A lens set to f/2.8 will now be f/4. Teleconverters are not ...In Stock
Optical Zoom: 2X
2x AF Teleplus DG MC4 Autofocus Teleconverter for Pentax AFLens Aperture: 2f-stops
The new TC-14E II has now been updated to match with the new AF-S lenses, and will maintain full metering and focusing with compatible cameras and lenses. This converter will increase the focal length of the lens by 1.4x, and reduces the lens aperture by one f/stop. NOTE: Due to the high-quality design of this converter (5 elements/5 groups), the teleconverter will only fit and work with a select range of lenses. Only the following lenses are compatible: AF-S 70-200mm f/2.8G ED-IF VR AF-S 80-200mm f/2.8D ED-IF ...Details on Nikon TC-14E II 1.4X Teleconverter for Nikon D-AF-S & AF-I Lenses
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Focal Length: 300mm
Zoom Telephoto 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Sony Alpha & Minolta Maxxum SeriesDetails on Sigma 70-300mm f/4-5.6 APO DG Macro AF Lens
$300.00
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