Canon EF 90-300mm f/4.5-5.6 USM Overview

Telephoto zoom lens | Canon EF
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Canon EF 90-300mm f/4.5-5.6 USM Canon Lens
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Product description
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Manufacturer description: The optics of the EF 90-300mm f/4.5-5.6 USM are based on those of the EF 75-300mm f/4-5.6 III USM and the optical performance is similar. However, the AF drive pattern has been optimized for the EOS 300V, giving a faster AF speed. The communication speed between the lens and the camera is faster due to a new high-speed CPU. Also, a new AF algorithm has been developed. All the lens elements are manufactured from environmentally-friendly lead-free glass. A redesigned electromagnetic diaphragm (EMD) provides an aperture which is nearly circular at the widest settings. This gives an improved out-of-focus background effect. This lens features a micro USM (Ultrasonic Motor) motor which operates almost noiseless.

Quick specs
Lens type Zoom lens
Focal length 90–300 mm
Image stab. No
Lens mount Canon EF
Max aperture F4.5–5.6
Min aperture F38–45
Min focus 1.50 m (59.06)
Max magnification 0.25×
Weight 420 g (0.93 lb)
Length 115 mm (4.52)

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