วันพฤหัสบดีที่ 10 กุมภาพันธ์ พ.ศ. 2554

Canon 70-300 IS USM Overview

Canon 70-300 IS USM Overview


Canon 70-300 IS USM Overview

Posted: 09 Feb 2011 09:00 PM PST

Canon EF-S lens

The Canon 70-300 IS USM, should appeal to photographers amateur nature and sports photographers, a three-image stabilizer, auto focus and image quality with superb fantastic.

Shutter speeds three stops slower than would otherwise be impossible to scroll with image stabilization and Canon's latest 3-blur is significantly reduced to hand-held photography results. Options in low light are strongly enhanced byShooting at a shutter speed of 1 / 60 second with the Canon 70-300 IS USM, as opposed to handheld shooting a 300mm 1 / 500 second. unwanted vibrations are absorbed by gyro sensors. The Canon 70-300 IS USM provides 2-mode image stabilizer for shooting stationary objects. Mode 1 stabilizes the object along the horizontal and vertical axes. Mode 2 switches in the correct direction and prevents the effects ranged object by pulling backthe frame when, after a moving object. It turns off automatically when the camera is mounted on a tripod.

The micro USM motor of the Canon 70-300 IS USM Autofocus super moves to respond with unprecedented speed and quiet operation. The moment you arrive at the correct focus point of the lens stops with precision and accuracy. The Canon 70-300 IS USM is a large increase in this rate compared to its AFPredecessors. At wide-angle setting of the zoom mechanism engaged by a zoom ring lock prevents potential damage from transport and storage of the lens in its compact position. The lens provides increased light absorption and reflection from lens surfaces reduces the color balance to get sharp images without distortion, natural.

The Canon 70-300 IS USM offers only lead-free glass, which is consistent with CanonKyosei philosophy (of life in harmony with the environment). The aim of the measures 3 inches in diameter and is 5.6 cm long, weighs 22.2 ounces and includes information on the distance measurement, and is, therefore, with the flash system of late model cameras. Accessories include the lens hood and bag, and also has a 1 year warranty.

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