L9) canon 24-105Mm F/4 L Is Usm lens. The L-Series Is canon’S Flagship Professional lens Range, Representing The Best In Precision-Designed Ef Optics. L-Series lenses Combine Superior Performance With Superlative Handling, And Are Resistant To Dust And Moisture. The Ef 24-105Mm F/4L Is Usm Features canon’S Three-Stop Image Stabilizer (Is), Making It Ideal For Handheld Work. Is Permits The Use Of Shutter Speeds Up To Three Stops Slower Than Normal, With No Perceptible Increase In Image Blur From camera Shake. E7Magnification – Extension Tube EF25 II – ¹ Only compatible at tele.
From the Manufacturer
Dust and moisture resistant and incorporating canon’s very finest standards of precision optics, the EF 24-105mm f4L IS USM is designed for reportage, event, trip, and celebrity photographers in search of a lightweight and maneuverable lens with minimal image quality compromise.
Complementing the EF 17-40mm f4L USM and EF 70-200mm f4L USM, the lens completes canon’s f4L-series zoom lens range. These lenses are designed for professional photographers requiring a light zoom lens with a fixed aperture during the zoom range. For outstanding camera-shake reduction, Image Stabilizer allows shutter speeds of 3 stops slower than would differently be imaginable, with no perceptible increase in image blur.
The L-series is canon’s flagship professional lens range, designed to include outstanding image performance, ultimate operability, and weather resistance. The EF 24-105mm f4L IS USM offers a lightweight alternative to the renowned EF 24-70mm f2.8L USM.
Image Stabilizer (IS) dramatically reduces image blur caused by camera shake. Gyro sensors detect unwanted vibrations, triggering the corresponding movement of a correcting lens group perpendicular to the optical axis. This alters the light path, returning the image to its correct position on the sensor or film plane.
The 3-stop advantage means that photographers normally shooting a 105mm lens handheld at 1/125 second can obtain a shake free result with a shutter speed as low as 1/15 second, for vastly extended options in low light conditions.
The ring-type USM motor found in the EF 24-105mm f4L IS USM employs ultra-sonic frequency vibrations to drive autofocus with unrivalled speed and near-silent operation. A powerful CPU and improved AF algorithm contribute to speed performance. Good holding torque stops the lens with precision and accuracy, the instant it arrives at the correct focus point and without overshoot. Photographers can choose manual focus instantly and at any time simply by moving the manual focus ring without first having to switch out of autofocus mode.
Constant f4 aperture from 24 to 105mm
The EF 24-105mm f4L IS USM offers the highest imaginable optical quality with no change in aperture over the full focal range of the lens. This allows photographers to set exposure at the widest aperture and zoom during to 105mm without having to vary the shutter speed. It is the perfect lens for professional photographers in search of a lightweight and extended zoom alternative to its EF 24-70mm f2.8L USM counterpart. The lens employs an almost perfectly circular barrel aperture, helping create attractive, defocused backgrounds.
To limit lens size and toughen image clarity over the total image area, an Ultra-Low Dispersion glass (UD) element is used to eliminate the secondary chromatic aberrations that differently reduce sharpness and introduce color fringing. Aspherical lens elements correct spherical aberration for crisp, high-contrast, corner-to-corner quality. By optimizing Super Spectra lens coatings and lens element shaping, canon’s engineers have been effective in suppressing flare and ghosting–more prone to occur with digital cameras because of reflection off the image sensor. By increasing light absorption, coatings reduce reflections off lens element surfaces to deliver crisp, undistorted images with natural color balance.
EOS system integration
The EF 24-105mm f4L IS USM includes distance metering information, providing compatibility with the E-TTL II flash system of late-model cameras such as the EOS-1D Mark II N and EOS 5D. When used along with canon’s range of EX Speedlite flash units, the lens passes distance information to the flash algorithm for markedly improved flash exposure metering. To match the weather resistance afforded by EOS-1 professional camera bodies, an O-ring seals the lens against the lens mount and a lot of seals around the lens’ moving components provide protection against the ingress of dust and moisture.
AF Mode and IS switches have been reshaped, making them less susceptible to being engaged or disengaged accidentally.
The EF 24-105mm f4L IS USM comes with a bayonet mount lens hood EW-83H and soft lens pouch LP1219. In keeping with canon’s Kyosei philosophy of living in harmony with the environment, the lens features only lead-free glass.
What’s in the box
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24-105mm standard zoom lens with f/4 maximum aperture for canon EOS SLR cameras, Macro Focus Range : 0.45 m
1 Super UD glass element and 3 aspherical lenses minimize chromatic aberration and distortion
Ring-type USM system delivers silent but quick autofocus (AF); full-time manual focus
Image Stabilizer technology steadies camera shake at up to 3 stops; weighs 23.6 ounces
Dust- and moisture-resistant; measures 3.3 inches in diameter and 4.2 inches long; 1-year warranty