Canon 10-22mm f/3.5-4.5 EF-S USM
Solidly built, but not professional grade. Vignetting is around 0.9 EV at maximum aperture at 10 mm, and some CA at the wide end. Otherwise very good performance. Sharpness is excellent at all focal lengths, even wide open. Distortions are well controlled. There is some easy to correct barrel distortion at 10mm, a negligible amount at 15mm, and only a tiny amount of pincushion distortion at 22mm.
Uses lens-hood EW-83E (optional) and case LP1319 (included).
Rating: Ed: 83, User: - (normalized, 0=useless, 50=average, 100=excellent).
Mount: Canon EF-S.
Aperture range: f/3.5-4.5 to f/27.
Optical zoom: 2.2x.
Close focus distance (CFD): 24 cm / 0.79 ft (from sensor plane).
CFD magnification: 1:6 / 0.17X.
Focus: AF (built-in, ring-type).
Filter diameter: 77 mm.
L x D, W: 90 x 84 mm, 385 g.
IR: No hotspot reports.
Approximate street price: USD 770 (new, w/o tax).
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- Camera Labs
- Ken Rockwell
- Michael Reichmann
Canon is a multinational corporation headquartered in Tokyo, Japan specializing in the manufacture of imaging and optical products. Its products including cameras, lenses, flash units, scanners, photocopiers, printers and steppers (used in semiconductor fabrication). The company was founded in 1937 as Precision Optical Instruments Laboratory and renamed Canon Inc. in 1947.