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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 Tamron 2X AF Teleconverter for Canon EOS
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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 Tamron 2X AF Teleconverter for Nikon AF-D
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Optical 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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Optical 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
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 Teleconverter for Nikon AF-D
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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. 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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Weight: 0.9lb
With the new Flip Ultra TM Camcorder, iti¿½s easier than ever to shoot and share video. Simply power on and press Record - youi¿½ll be capturing memories in seconds. And with 120 Minutes of record time, youi¿½ll never miss another minute again. When its tiDetails on Flip Ultra TM Camcorder - White & Silver, 120 Minutes (2nd Generation)
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Optical Zoom: 2X - Focal Length: 50mm - Lens Aperture: 4f-stops
These auto-focus teleconverters double the focal length of the primary lens being used. If you have a standard 50mm lens on the camera, this makes it a 100mm lens. If you use it together with a 70-300mm lens, it becomes a 140-600mm lens. The converters will work completely with the auto-focus mechanisms of the camera as long as the maximum aperture on the primary lens is f4 or wider. If the aperture is slower, the in-focus lights will work, but focusing must be done manually.&ref=BecomeDetails on Phoenix 2X AF Teleconverter for Canon EOS
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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 MC4 DG Teleconverter for Canon EOS
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Details on Photo Calendar Single Copy
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Focal Length: 70mm
While overall dimensions are confined to the absolute minimum, the new SP AF70-200mm F/2.8 zoom lens is packed with features that allow stress-free photography: a versatile MFD of just 37.4 over the entire zoom range; best-in-class maximum macro magnification ratio of 1:3.1 at f=200mm; and an advantageous internal focusing (IF) system. The new tele-zoom lens covers a desirable focal length range of 70mm medium telephoto to 200mm telephoto when mounted on full-size format SLR cameras and a focal length range ...Details on Tamron 70-200mm f/2.8 Di LD (IF) Macro AF Lens for Canon EOS -Imported-
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Optical 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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Details on Tamron Lens to M42 Mount Adapter Ring
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Details on Flip Video Mino 60 Minute Camcorder - Black (2x Dig, 1.5" LCD)
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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 PRO 300 DG Teleconverter for Minolta/Sony AF
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Optical Zoom: 2X
Internet-ready Sony 1/3in. CCD color pan/tilt network camera features 460 TV lines, 0.5 lux low light sensitivity, video/audio input and output, 2x digital zoom, high speed/smooth/silent pan/ti...Details on Clover Color Pan/Tilt/Network Camera, Model# CNPT-1
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