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Canon EF 50mm - f/1.4 USM Lens

August 9, 2013

Not to be missed this summer, Best Canon Lens a good camera Canon is always your best choice, bring the family go to the beach record this beautiful moment. Canon camera is your best choice
The EF 50mm F1.4 USM is Canon's mid-level offering in a range stuffed full of 50mm primes, covering all budgets from the ultra-cheap 50mm F1.8 mkII through to the stratospherically-priced 50mm F1.2 L USM.after the birth of the EOS system,canon Ef 50mm it can actually trace its roots back much earlier, being based on the classic manual focus FD 50mm F1.4 design of 1971. As such, it's designed as a 'standard' lens for the 35mm full-frame format, with an angle of view offering none of the 'perspective distortion' associated with wideangle or telephoto lenses. More recently, with the popularization of APS-C as the dominant DSLR sensor size, it's taken on a new role,Canon EF-S 55-250 IS II and behaves like a short 'portrait' telephoto on this format.
The lens uses a conventional optical design for its class, with 7 elements in 6 groups, two of which are made from high-refraction glass. Focusing is achieved by an ultrasonic motor system, with full-time manual override; however unlike Canon's other mid-range primes, this is of the micro-USM (as opposed to ring) type. Canon claims the lens produces a 'beautiful, natural blur of the background', an important attribute for a fast lens capable of a high degree of subject isolation.Canon EF 24-105mm