canon 28 300

The Canon EF 28-300mm f/3. obat allopurinol 300 mg 5-5 6L IS USM Lens has CA (Chromatic Aberration) in the full frame corners from 28mm up to about 50mm and again at 300mm Moderate vignetting is also apparent in this focal length range - widest (less than 35mm) and longest focal lengths are the worst