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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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Tamron 1.4X AF Teleconverter for Canon EOSRead MoreFocal 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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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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Tamron Zoom Telephoto 70-300mm f/4-5.6 Di LD Macro Autofocus Lens for Nikon AF-DRead MoreFocal Length: 70mm - Lens Aperture: 4f-stops
The Tamron AF 70-300mm f/4-5.6 Di LD Macro lens is a quality compact ultra tele zoom lens which covers the 70mm to 300mm telephoto range, with a maximum magnification ratio of 1:2 at the tele end. This lens delivers ultimate handling ease and portability in the field due to its lightweight size and mechanical operation. Best suited for shooting outdoors to make full use of the real telephoto of 300mm as well as providing diversity in portraiture using the medium focal length ranges of 70mm to 135mm. Di ...Details on Tamron Zoom Telephoto 70-300mm f/4-5.6 Di LD Macro Autofocus Lens for Nikon AF-D
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Tamron SP 1.4X Pro Teleconverter for Canon EOSRead MoreFocal 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
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Tamron Zoom Telephoto 70-300mm f/4-5.6 Di LD Macro Autofocus Lens for Canon ...
Read MoreFocal Length: 70mm - Lens Aperture: 4f-stops
The Tamron AF 70-300mm f/4-5.6 Di LD Macro lens is a quality compact ultra tele zoom lens which covers the 70mm to 300mm telephoto range, with a maximum magnification ratio of 1:2 at the tele end. This lens delivers ultimate handling ease and portability in the field due to its lightweight size and mechanical operation. Best suited for shooting outdoors to make full use of the real telephoto of 300mm as well as providing diversity in portraiture using the medium focal length ranges of 70mm to 135mm. Di ...Details on Tamron Zoom Telephoto 70-300mm f/4-5.6 Di LD Macro Autofocus Lens for Canon EOS -USA-
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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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Tamron 70-200mm f/2.8 Di LD (IF) Macro AF Lens for Canon EOS -Imported-Read MoreFocal 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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Orion 1.25" Standard Tele-ExtenderA tele-extender is an eyepiece projection tube used for high-magnification photography of the Moon and planets with a Schmidt-Cassegrain telescope. Orion tele-extenders fit all Celestron and Meade Schmidt-Cassegrain telescopes. One end threads onto tRead MoreDetails on Orion 1.25" Standard Tele-Extender
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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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1.5x Tele Conversion Lens for PowerShot S2 IS
The Canon TC-DC58B Teleconverter Lens converts the focal distance of the body lens by a factor of 1.5x when attached.Read MoreIn Stock
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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
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Tele Vue NP101is Imaging System 4" f/5.4, 4-Element APO Refractor Telescope ...Concept: CCD cameras have challenged telescope optics beyond anything ever placed at the focal plane. Tele Vue knew it's APO objectives were up to the challenge, & with the proper tweaks would be extraordinary tools for the imager. With Tele Vue Imaging System (is) telescopes, they have refined their instruments & optional equipment beyond anything a CCD chip has seen.It started small (literally) in 2005 with the Tele Vue-60is & available Digital Micrometer Kit. Achieving critical acclaim with the 60is, Tele ...Read MoreIn 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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TeleVue Ethos 8mm EyepieceAt NEAF 2008, Tele Vue was pleased to demonstrate a new 8mm focal length, 100 degree AFOV Ethos eyepiece. In addition to matching all the key performance criteria of its 13mm sibling, the new 8mm version is parfocal in 1.25" focusers with Radians, Plossls, Type 6 Naglers and 1.25" Panoptics. Further, its lighter weight and smaller diameter than the 13mm Ethos makes the 8mm suitable for anyone using a binocular viewer. Another application is for spotting scope set-ups with the Tele Vue 60 degree 1.25" diagonal ...Read MoreDetails on TeleVue Ethos 8mm Eyepiece
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