General
MPN: 134927
Length: 9 in
Diameter: 3.6 in
Weight: 3.3 lbs
Lens system
Type: Telephoto zoom lens
Special Functions: Tele, zoom
Intended For: 35mm SLR
Focal Length: 100 mm - 300 mm
Lens Aperture: F/4.0
Minimum Aperture: F/32
Magnification: 1 / 5
Min Focus Range: 6 ft
Focus Adjustment: Automatic, manual
Max View Angle: 24.4 degrees
Min View Angle: 8.2 degrees
Lens Construction: 14 group(s) / 16 element(s)
Filter Size: 82 mm
Diaphragm Blades: 9
Mounting Type: Canon EF
Features: Internal focusing system, Hyper Sonic Motor (HSM), SLD (Special Low Dispersion) glass
Miscellaneous
Included Accessories: Lens hood, dust cap, lens cap
Ciao
Listed on Ciao since : 10/25/2007
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Manufacturer's product description
This telephoto zoom lens provides a large F4 aperture at all focal lengths. With minimal light-fall-off, superior peripheral brightness is ensured. It's the ideal lens for digital SLR cameras. The new multi layer lens coating and lens design reduce flare and ghost, which is a common problem with digital cameras and also creates an optimum color balance through the entire zoom range. This lens uses two pieces of SLD glass elements in the front lens group and another two in the rear group for excellent correction of chromatic aberration. High optic performance is demonstrated throughout the entire zoom range. This lens incorporates an internal focusing system, which eliminates front lens rotation, allowing the use of a Petal-type Hood and more convenient to use of circular polarizing filter. Since focusing and zooming do not change its overall length, this lens is easy to hold and use. The use of an Apochromatic design and 4 SLD (The Special Low Dispersion) glass elements (two SLD glass elements are utilized in the front lens group and two in the rear group) provide for full correction of chromatic aberration and a high level of optical performance. High-speed focusing is possible when this lens is used with dedicated APO EX tele-converters (1.4x and 2x). With the optional APO tele-converter 1.4x EX, it works as AF zoom lens from 140mm to 420mm F5.6. With APO tele-converter 2.0x EX, it works as a manual focus zoom lens from 200mm to 600mm F8. It is possible to use AE (Automatic Exposure) function, even EX Tele-converters are attached to the lens.
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