This lens was developed 20 years ago. Then he was "elite" "super pro" for cameras 3-12 megapixels. This hour is a lens for lovers of all in one. If you have a camera of 20-100 megapixels, I highly recommend buying a second camera of the same type and lenses 24-70 and 70-200 f2.8 with a magnifier of 2x, 24 f1.4 and 85 f1.4. In addition, with two cameras you can try to shoot stereo photos "3d"
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