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Canon 4 F-stops

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  1. kenko mc4
    Kenko 2X Teleplus MC4 DG Teleconverter for Canon EOS

    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 ...

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  2. canon usm autofocus lens
    Canon Zoom Telephoto EF 70-300mm f/4-5.6 IS (Image Stabilizer) USM ...

    Lens Aperture: 4f-stops

    The Canon EF 70-300mm f/4-5.6 IS USM telephoto zoom lens has been developed to meet the high-performance standards that today's photographers demand. Improved Image Stabilizer Technology provides up to three stops of shake correction, and the Mode 2 option stabilizes images while panning with a moving subject. Compared to the original Canon EF 75-300mm IS zoom lens, this telephoto lens has faster autofocus, and overall the lens is lighter and has a smaller diameter than the original. The zoom ring can be ...

    Details on Canon Zoom Telephoto EF 70-300mm f/4-5.6 IS (Image Stabilizer) USM Autofocus Lens - Factory Reconditioned

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  3. 38% offcanon usm autofocus lens
    Canon Zoom Telephoto EF 70-300mm f/4-5.6 IS (Image Stabilizer) USM ...

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    Lens Aperture: 4f-stops

    The Canon EF 70-300mm f/4-5.6 IS USM telephoto zoom lens has been developed to meet the high-performance standards that today's photographers demand. Improved Image Stabilizer Technology provides up to three stops of shake correction, and the Mode 2 option stabilizes images while panning with a moving subject. Compared to the original Canon EF 75-300mm IS zoom lens, this telephoto lens has faster autofocus, and overall the lens is lighter and has a smaller diameter than the original. The zoom ring can be ...

    Details on Canon Zoom Telephoto EF 70-300mm f/4-5.6 IS (Image Stabilizer) USM Autofocus Lens - Factory Reconditioned

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  4. 27% offcanon usm autofocus lens
    Canon Zoom Wide Angle EF-S 17-85mm f/4-5.6 IS (Image Stabilizer) USM ...

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    Lens Aperture: 4f-stops

    Equivalent to a 28-135mm lens, this new EF-S lens brings true wide-angle to tele coverage. It has Canon's Image Stabilization system, allowing safe hand-holding at speeds up to three stops slower than otherwise possible. And of course, it's optically optimized for digital SLRs. A ring-type USM means both fast and silent AF, as well as full-time manual focus when in the AF mode. Note: Only Canon Extension Tube EF 25 II and 12 II fit on this lens. Compatible with: 20D 30D Digital Rebel&ref=Become

    Details on Canon Zoom Wide Angle EF-S 17-85mm f/4-5.6 IS (Image Stabilizer) USM Autofocus Lens

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  5. 14% offcanon zoom usm lens
    Telephoto Zoom IS USM Lens For Canon (70-200mm, F/4)

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    Lens Aperture: 4f-stops

    The EF 70-200mm f/4L IS USM is a lightweight, compact L Series telephoto zoom lens with Image Stabilizer. The optical Image Stabilization in the EF 70-200mm f/4L IS USM lens provides up to an incredible four stops of shake correction-a first for Canon IS lenses. The use of fluorite UD lens elements provides excellent optical performance in terms of resolution and contrast. These features, together with its water-and dust-proof construction, provide both the performance and portability to meet user demands.

    Details on Telephoto Zoom IS USM Lens For Canon (70-200mm, F/4)

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  6. 16% offhsm telephoto zoom lens
    Sigma 120-400mm f/4.5-5.6 DG APO OS HSM AutoFocus Telephoto Zoom Lens for Canon

    Optical Zoom: 2X - Focal Length: 400mm - Lens Aperture: 9f-stops

    This telephoto zoom lens incorporates Sigma s original OS (Optical Stabilizer) function. It offers the use of shutter speeds approximately 4 stops slower. Three SLD (Special Low Dispersion) glass elements provide excellent correction for chromatic aberration. This lens is equipped with the rear focus system that minimizes fluctuation of aberration caused by focusing. It provides optimum image quality throughout the entire zoom range. The super multi-layer coating reduces flare and ghosting. High image quality ...

    Details on Sigma 120-400mm f/4.5-5.6 DG APO OS HSM AutoFocus Telephoto Zoom Lens for Canon

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  7. tamron af teleconverter
    Tamron 2X AF Teleconverter for Canon EOS

    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 ...

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  8. sigma canon zoom lens

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  9. tamron af teleconverter
    Tamron 1.4X AF Teleconverter for Canon EOS

    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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  10. 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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  11. kenko af teleplus teleconverter
    Kenko 1.5x DG AF Teleplus Teleconverter for Canon EOS

    Focal Length: 450mm - Lens Aperture: 4f-stops

    The 1.5x teleconverter (also known as a tele-extender) will multiply the focal length of the existing lens by 1.5x, and will cut back the amount of light by one f/stop. For example, using a 1.5x teleconverter with a 300mm lens will effectively increase the focal length to 450mm. A lens set to f/2.8 will now be f/4. 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 1.5x DG AF Teleplus Teleconverter for Canon EOS

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  12. 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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  13. 7% offcanon 4l
    Canon EF 70-200mm f/4L IS USM Telephoto Zoom Lens
    The EF 70-200mm f/4L IS USM is a lightweight, compact L Series telephoto zoom lens with Image Stabilizer. The optical Image Stabilization in the new EF 70-200mm f/4L IS USM lens provides up to an incredible four stops of shake correction-a first for

    Details on Canon EF 70-200mm f/4L IS USM Telephoto Zoom Lens

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  14. canon f4-5
    Canon EF 70-300mm f4-5.6 IS USM Zoom Lens w/Optical Stabilizer
    Professional-quality performance. This EF 70mm to 300mm IS USM zoom lens uses image stabilizer technology to deliver up to three stops of shake correction, with a Mode 2 option that takes control while following a moving subject. And, the zoom ring locks at the 70mm position for easy transport as well. From Canon.

    Details on Canon EF 70-300mm f4-5.6 IS USM Zoom Lens w/Optical Stabilizer

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  16. 14% offsigma f4
    Sigma Zoom Telephoto 100-300mm f/4 EX APO DG IF HSM Autofocus Lens for Canon EOS

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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 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 Zoom Telephoto 100-300mm f/4 EX APO DG IF HSM Autofocus Lens for Canon EOS

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  17. canon autofocus lens -refurbished-
    Canon Zoom Wide Angle-Telephoto EF 24-105mm f/4L IS USM Autofocus Lens ...

    Lens Aperture: 4f-stops

    The Canon EF 24-105mm f/4L IS USM lens is an easy-to-use standard zoom lens that can cover a large zoom area ranging from 24mm wide-angle to 105mm portrait-length telephoto. The EF 24-105mm f/4L IS USM incorporates Canon's highest standards of precision optics. The L-series is Canon's flagship professional lens range, combining outstanding image performance and ultimate operability with dust and moisture resistant construction. Canon's ring-type USM gives silent but quick AF, along with full-time manual focus ...

    Details on Canon Zoom Wide Angle-Telephoto EF 24-105mm f/4L IS USM Autofocus Lens -Refurbished-

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  18. 31% offcanon usm ef lens
    Canon 100-300mm f/4.5-5.6 USM EF Lens

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    Fix the 100-300 mm f/4.5-5.6 USM Telephoto Zoom Lens to your Canon EOS (SLR) Digital Camera and capture high-quality close-up shots. This lightweight lens boasts a high-performance ring-type Ultrasonic motor and high AF speed ideal for shooting outdoor sports. It uses rear group focusing so the front elements never rotate during focusing, and also adds full-time manual focusing capability. With quick and quiet auto-focusing, the EF 100-300 mm zoom lens is suitable for subjects that require the versatility of ...

    Details on Canon 100-300mm f/4.5-5.6 USM EF Lens

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  19. 22% offcanon telephoto zoom lens
    Canon EF 70-300mm f/4.5-5.6 USM Telephoto Zoom Lens

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    AF is super-fast and silent with a ring-type USM, and it focuses down to 4.6 feet without rotating the front element. A new Zoom lock button keeps the Lens safe and secure when not in use or used at the wide angle.

    Details on Canon EF 70-300mm f/4.5-5.6 USM Telephoto Zoom Lens

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  20. 15% offsigma f1
    Sigma Canon 30mm F1.4 EX DC Lens

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    Focal Length: 30mm

    This large Aperture 30mm F1.4 EX DC HSM Lens is designed to match the APS-C size image sensors of Digital SLR cameras. Two SLD glass elements are especially effective in the compensation of magnification chromatic aberration. Glass mold aspherical le

    Details on Sigma Canon 30mm F1.4 EX DC Lens

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  21. 9% offcanon autofocus lens -refurbished-
    Canon Zoom Wide Angle-Telephoto EF 24-105mm f/4L IS USM Autofocus Lens ...

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    Lens Aperture: 4f-stops

    The Canon EF 24-105mm f/4L IS USM lens is an easy-to-use standard zoom lens that can cover a large zoom area ranging from 24mm wide-angle to 105mm portrait-length telephoto. The EF 24-105mm f/4L IS USM incorporates Canon's highest standards of precision optics. The L-series is Canon's flagship professional lens range, combining outstanding image performance and ultimate operability with dust and moisture resistant construction. Canon's ring-type USM gives silent but quick AF, along with full-time manual focus ...

    Details on Canon Zoom Wide Angle-Telephoto EF 24-105mm f/4L IS USM Autofocus Lens -Refurbished-

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