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(More customer reviews)I am professional photographer specializing in botanical and nature photography. I bought the Tamron 180 lens after many years of using the equally great 90mm macro. I love the 90mm but was looking for a lens with greater working distance and better ability to control backgrounds. The 180mm has proven to be excellent optically as well as ergonomically well designed. The light weight, for its size, coupled with the very intuitive af-mf push-pull design are great in the field. I work at Fairchild Tropical Botanical Garden. For images taken with the above lens, please visit [...].
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Click Here to see more reviews about: Tamron AF 180mm f/3.5 Di SP A/M FEC LD (IF) 1:1 Macro Lens for Canon Digital SLR Cameras
Di: Digitally Integrated Design, is a designation Tamron puts on lenses featuring optical systems designed to meet the performance characteristics of digital SLR cameras. This lens employs an IF (Internal Focusing) system that maintains the overall length of the lens during focusing. Uses two LD (Low Dispersion) glass elements that effectively compensate for chromatic aberration. Provides high-contrast, outstanding image quality and a soft out-of-focus background effect. Incorporates an AF/MF one touch switchover mechanism built into the focus ring(for Canon & Nikon only). Super performance series provides high performance through outstanding design specifications. Features the new FEC (Filter Effect Control) function that enhances operational ease of Polarizing Filter use. The new Filter Effect Control is designed to rotate the filter to the desired position while the hood is attached. This is accomplished by turning the FEC ring that in turn rotates the portion of the filter mount where the filter is mounted.
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