Canon EF 100mm f/2 USM Interchangeable Lens Review

Canon EF 100mm f/2 USM Handling and features

Weighing 460g, this lens isn't overly heavy or light, but at only 73.5mm long, it is quite compact and it balances extremely well on the Canon EOS 5D Mark II used for testing. High quality plastics have been used for much of the lens barrel's construction and the lens mount is metal. Build quality overall is very good. It may not be up to the weather sealed standards of Canon's 'L' series lenses, but it is certainly good robust enough to take a little use and abuse.

A 58mm diameter thread allows the attachment of filters and as focusing is performed internally, this optic is very easy to use with polarising and graduated filters. Auto focus is very quick under most conditions, maybe hunting a little in low light and low contrast situations. Manual focus adjustments can be made at any time due to the ultrasonic focusing system. The manual focus ring is well damped, making it easy to make fine adjustments as necessary. The minimum focus distance of 90cm means this lens isn't overly great for close ups, although magnification just short of half life size is possible with Canon EF25 II extension tube.

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