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回復 3# SHUNXUN_YU
光老外用這幾段話來形容它 就知道他的魅力了....
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It is very sharp, it is very fast, it is very well built and it is one of the least expensive L lenses Canon makes. It is the highly regarded Canon EF 135mm f/2.0 L USM Lens. If 135mm is the focal length you need, you will not be disappointed by the Canon EF 135mm f/2.0 L USM Lens.
The Canon EF 135mm f/2.0 L USM Lens is renowned for its image sharpness. More specifically, the 135 L has decent sharpness at f/2.0 with sharpness increasing to impressive at f/2.8. Especially impressive is this lens\' corner sharpness where it puts most zoom lenses to shame. APS-C (1.6x) body users will find corners razor sharp at f/2.8 and stopped down to f/4, the entire full frame image circle is extremely sharp.
An f/2.0 aperture is extremely wide (fast) for this focal length. This the second longest focal length Canon EF lens currently manufactured with an aperture wider than f/2.8. For this reason (and more to follow), this lens is frequently recommended for indoor action sports photography |
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