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Sigma Apo Tele-converter Af

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  1. 7% offpentax dg apo teleconverter
    Sigma 2X EX DG APO Teleconverter for Pentax AF

    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 ...

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  2. qms ex apo teleconverter
    Sigma 1.4X EX APO Teleconverter for Minolta/Sony AF

    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=Become

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  3. qms dg apo teleconverter
    Sigma 2X EX DG APO Teleconverter for Minolta/Sony AF

    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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  4. qms dg apo teleconverter
    Sigma 1.4X 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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  5. nikon dg apo teleconverter
    Sigma 1.4X EX DG APO Teleconverter for Nikon AF-D

    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

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  6. nikon dg apo teleconverter
    Sigma 2X EX DG APO Teleconverter for Nikon AF-D

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    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 ...

    Details on Sigma 2X EX DG APO Teleconverter for Nikon AF-D

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  7. ex apo teleconverter
    Sigma 1.4X EX APO Teleconverter for Sigma AF

    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=Become

    Details on Sigma 1.4X EX APO Teleconverter for Sigma AF

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  8. dg apo teleconverter
    Sigma 1.4X EX DG APO Teleconverter for Sigma AF

    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 ...

    Details on Sigma 1.4X EX DG APO Teleconverter for Sigma AF

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  9. pentax dg apo teleconverter
    Sigma 1.4X EX DG APO Teleconverter for Pentax 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 ...

    Details on Sigma 1.4X EX DG APO Teleconverter for Pentax AF

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  10. Additional items that match your search
  11. canon dg apo teleconverter
    Sigma 2X EX DG APO Teleconverter for Canon EOS

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    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 ...

    Details on Sigma 2X EX DG APO Teleconverter for Canon EOS

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  12. 17% offsigma corporation ex converter
    Sigma Corporation Sigma EX converter (824-101)

    Lens Aperture: 32f-stops

    The 1.4X APO Tele Converter EX DG from Sigma is attached to the master lens to increase its focal length by 1.4 times. Featuring an Aperture coupling range of F2.8 - F32, the APO Tele Converter EX decreases the effective aperture by one F-stop. This tele-converter employs lens coating technology to reduce both flare and ghosting. Compact and lightweight, this tele-converter has a 5-elements-in-3-groups lens construction and is designed for use with select Canon Mounts.

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  13. 30% offtele vue np101is
    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 ...

    Details on Tele Vue NP101is Imaging System 4" f/5.4, 4-Element APO Refractor Telescope Optical Tube Assembly, Ivory

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  14. 11% offsigma f4
    Sigma 100-300mm f4 APO EX IF Zoom Lens for Pentax Digital SLR Cameras

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    Optical Zoom: 2X - Lens Aperture: 4f-stops

    This telephoto zoom lens provides a large F4 aperture at all focal lengths. The new multi layer lens coating and lens design reduce flare and ghosting, and also maintains minimal light-fall-off, superior peripheral brightness is ensured. Reduces flare and ghosting New multi layer coating of this lens gives superb color performance whilst cutting down flare and ghosting caused by reflections from the digital image sensor. High optical performance is demonstrated throughout the entire zoom range. Employs SLD ...

    Details on Sigma 100-300mm f4 APO EX IF Zoom Lens for Pentax Digital SLR Cameras

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  15. sigma f4
    Sigma 100-300mm f4 APO EX IF HSM Zoom Lens for Sigma Digital SLR Cameras

    Optical Zoom: 2X - Lens Aperture: 4f-stops

    Sigma 100-300mm f/4 EX DG IF HSM Autofocus Lens for Sigma SLR Sigma 100300 mm f/4 E X D G I F H S M Autofocus Lens for Sigma S L R The Sigma 100-300mm f/4 EX DG IF HSM telephoto zoom lens provides a large constant f/4 maximum aperture at all focal lengths. The use of Apochromatic design and 4 SLD ( Special Low Dispersion ) glass elements give full correction of chromatic aberration and provide a high level of optical performance. The AF drive for the Nikon mount is equipped with the silent, responsive and ...

    Details on Sigma 100-300mm f4 APO EX IF HSM Zoom Lens for Sigma Digital SLR Cameras

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  16. 11% offsigma f4
    Sigma 100-300mm f4 APO EX IF Zoom Lens for Konica Minolta Digital SLR Cameras

    Optical Zoom: 2X - Lens Aperture: 4f-stops

    This telephoto zoom lens provides a large F4 aperture at all focal lengths. The new multi layer lens coating and lens design reduce flare and ghosting, and also maintains minimal light-fall-off, superior peripheral brightness is ensured.Reduces flare and ghostingNew multi layer coating of this lens gives superb color performance whilst cutting down flare and ghosting caused by reflections from the digital image sensor.High optical performance is demonstrated throughout the entire zoom range.Employs SLD (Super ...

    Details on Sigma 100-300mm f4 APO EX IF Zoom Lens for Konica Minolta Digital SLR Cameras

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  17. 9% offhsm dg autofocus lens
    Sigma Telephoto 180mm f/3.5 EX APO Macro DG HSM Autofocus Lens for Nikon AF-D

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    Optical Zoom: 2X - Focal Length: 180mm

    Taking picture of small animals and insects can be difficult, because they often run or fly away, or can be dangerous or become aggressive if you approach them. Therefore it is advantageous to have a greater working distance between the camera and such subjects. Longer focal length lens can provide this greater distance, but most long lens do not focus close enough to provide a large image of small subjects. The tele-macro type lens solves this problem by producing a large, high quality image, up to life-size ...

    Details on Sigma Telephoto 180mm f/3.5 EX APO Macro DG HSM Autofocus Lens for Nikon AF-D

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  18. 15% offsigma telephoto zoom lens
    Sigma 120-300mm f/2.8 EX DG IF HSM APO Telephoto Zoom Lens for Sigma SLR Cameras

    Optical Zoom: 2X - Focal Length: 300mm - Lens Aperture: 4f-stops

    The Sigma APO 120-300mm f2.8 EX DG HSM Lens for Sigma Digital SLR Cameras features a large aperture of f2.8 at the 300 millimeter focal length and is optimized for used with digital SLR cameras. This lens transforms a large-aperture f2.8 300 millimeter lens into a zoom lens that allows you to determine the picture composition you want without having to change your vantage point. It has two SLD (Special Low Dispersion) glass elements in front group and another SLD element in the rear group for excellent ...

    Details on Sigma 120-300mm f/2.8 EX DG IF HSM APO Telephoto Zoom Lens for Sigma SLR Cameras

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  19. canon dg apo teleconverter
    Sigma 1.4X EX DG APO Teleconverter for Canon EOS

    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 ...

    Details on Sigma 1.4X EX DG APO Teleconverter for Canon EOS

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  20. 9% offsigma dg hsm lens
    Sigma Zoom Telephoto 100-300mm f/4 EX APO DG IF HSM Autofocus Lens for ...

    Optical Zoom: 2X - Lens Aperture: 4f-stops

    This telephoto zoom lens provides a large F4 aperture at all focal lengths. The new multi layer lens coating and lens design reduce flare and ghosting, and also maintains minimal light-fall-off, superior peripheral brightness is ensured. Reduces flare and ghosting New multi layer coating of this lens gives superb color performance whilst cutting down flare and ghosting caused by reflections from the digital image sensor.High optical performance is demonstrated throughout the entire zoom range. Employs SLD ...

    Details on Sigma Zoom Telephoto 100-300mm f/4 EX APO DG IF HSM Autofocus Lens for Nikon AF-D

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  21. 8% offpentax dg autofocus lens
    Sigma Zoom Normal-Telephoto 50-500mm f/4-6.3 EX APO DG Autofocus Lens for ...

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    Optical Zoom: 10X - Focal Length: 50mm - Lens Aperture: 4f-stops

    High Magnification Ultra Telephoto Zoom Lens, with a 10x zoom ratio from 50mm to 500mm, optimized for digital SLR cameras.This high zoom ratio lens is optimized for digital SLR cameras and capable of covering a wide range of focal lengths from 50mm standard to 500mm ultra telephoto. Reduction of Flare and Ghosting The advanced optical design is optimized for digital SLR cameras. In addition, the new super coating on each glass surface produces superb color rendition, while reducing flare and ghosting. SLD ...

    Details on Sigma Zoom Normal-Telephoto 50-500mm f/4-6.3 EX APO DG Autofocus Lens for Pentax AF

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