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Tamron 2X AF Teleconverter for Canon EOSRead MoreOptical 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 Tamron 2X AF Teleconverter for Canon EOS
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Tamron 2X AF Teleconverter for Nikon AF-DRead MoreOptical 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 Tamron 2X AF Teleconverter for Nikon AF-D
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Kenko 2X Teleplus MC4 DG Teleconverter for Canon EOSRead MoreOptical 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 Canon EOS
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Kenko 2X Teleplus MC4 DG Teleconverter for Pentax AFRead MoreOptical Zoom: 2X - Focal Length: 300mm
The 2X tele-converter (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 tele-converter 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. Tele-converters 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 Pentax AF
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Kenko 2X Teleplus MC4 Teleconverter for Nikon AF-DRead MoreOptical 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 Teleconverter for Nikon AF-D
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Tamron SP 2X Pro Teleconverter for Nikon AF-DRead MoreOptical Zoom: 2X - Focal Length: 90mm
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 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 ...In Stock
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Kenko 2X Teleplus MC7 DG Teleconverter for Nikon AF-DRead MoreOptical 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. 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 2X Teleplus MC7 DG Teleconverter for Nikon AF-D
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Tamron SP 2X Pro Teleconverter for Canon EOSRead MoreOptical Zoom: 2X - Focal Length: 90mm
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 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 ...Details on Tamron SP 2X Pro Teleconverter for Canon EOS
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Kenko 2X Teleplus MC4 DG Teleconverter for Minolta/Sony AFRead MoreOptical 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
$89.95 -
Kenko 2X Teleplus MC4 DG Teleconverter for Nikon AF-DRead MoreOptical 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 Nikon AF-D
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Sigma 2X EX DG APO Teleconverter for Minolta/Sony AFRead MoreOptical 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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Kenko 2X Teleplus PRO 300 DG Teleconverter for Minolta/Sony AFRead MoreOptical 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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Sigma 2X EX DG APO Teleconverter for Nikon AF-D
Read MoreOptical 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
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Sigma 2X EX DG APO Teleconverter for Canon EOSRead MoreOptical 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
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Sigma 2X EX DG APO Teleconverter for Pentax AFRead MoreOptical 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
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Tele Vue 2x Barlow Lens 1.25".Read MoreWeight: 0.4lb
Tele Vue Barlows: "An Optically Perfect Window" Properly designed Barlows do wonderful things. First, they amplify power while retaining the eyepiece's eye-relief. Second, they slow the telescope's f/#, which improves eyepiece sharpness. Third, the designer can introduce compensations for eyepiece aberrations. Tele Vue's 1 1/4" 2x and 3x Barlows were envisioned as magnification windows. Multi-coated high index glasses assure optimum aberration correction, exceptional contrast and virtually no light loss. Tele ...Details on Tele Vue 2x Barlow Lens 1.25".
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2x ULTRA TELE EXTENDER (1.25")See more with a four-element ocular that delivers a flatter field-of-view with sharper edges than even the best three-element apochromatic Barlows. 2x power multiplier1.25' barrel sizeFour-element optical designFlat field-of-viewPremium grade optical glassIndividually tuned multi-layered coatings for maximum light transmission and highest contrastLens edges and all internal metal surfaces are blackened to maximize image contrastMaintain the comfortable eye relief of longer focal length eyepieces while ...Read MoreDetails on 2x ULTRA TELE EXTENDER (1.25")
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Tele Vue Barlow Lens 2X 2" (Big Barlow) with Brass Clamp Rings.Read MoreMagnification: 2 X 2 - Eye Relief: 48mm - Weight: 0.9lb
Properly designed Barlows do wonderful things. First, they amplify power while retaining the eyepiece's eye-relief. Second, they slow the telescope's f/#, which improves eyepiece sharpness. Third, the designer can introduce compensations for eyepiece aberrations.Tele Vue's 2" 2x BIG Barlow, 1 1/4" 2x and 3x Barlows were envisioned as magnification windows. Multi-coated high index glasses assure optimum aberration correction, exceptional contrast and virtually no light loss. Tele Vue Barlows achieve their ...Details on Tele Vue Barlow Lens 2X 2" (Big Barlow) with Brass Clamp Rings.
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2x ULTRA TELE EXTENDER (2")Add to any 2' eyepiece for dramatically improved resolving power – or use the 1.25' adapter to enhance smaller oculars. 2x power multiplier2' barrel sizeFour-element optical designIncludes 1.25' adapterFlat field-of-viewPremium grade optical glassIndividually tuned multi-layered coatings for maximum light transmission and highest contrastLens edges and all internal metal surfaces are blackened to maximize image contrastMaintain the comfortable eye relief of longer focal length eyepieces while increasing ...Read MoreDetails on 2x ULTRA TELE EXTENDER (2")
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