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Lens review

2007-09-22
 

Canon EF 100-300 mm f/4.5-5.6 USM

11. Summary

Pros:
  • very good picture quality at 100 mm in the center as well as at the edges of the frame.
  • chromatic aberration almost invisible at 100 mm and below for the 200 mm focal length
  • low distortion
  • very small coma
  • well controlled astigmatism
  • very small vignetting
  • fast and quiet autofocus

Cons:
  • the picture resolution at the edges of the frame for 200-300 mm focal lengths should be better
  • big chromatic aberration at 300 mm
  • tendency to create artifacts when working in bright light

The Canon 100-300 mm could be a good alternative for the very popular Sigma 70-300 mm APO DG Macro because of its good quality and price. Both lenses are similar as far as resolution, chromatic aberration, distortion, coma and working in bright light are concerned. The Sigma wins by having a better focal length range, better aperture and lower price. The Canon, on the other hand, has better astigmatism correction, smaller vignetting and which is probably the most important – good autofocus work, which is not very good in the Sigma.

There is no one winner. If someone cannot afford the Canon, he will be happy with the Sigma. If you can spend an extra 400 Polish zloty, we think that the good autofocus work and good picture results will ease the pain of spending the extra money.


Sample shots:

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Canon EF 100-300 mm f/4.5-5.6 USM - Summary Canon EF 100-300 mm f/4.5-5.6 USM - Summary Canon EF 100-300 mm f/4.5-5.6 USM - Summary
Camera: Canon 300D
Parameters: 300 mm, f/5.6, exp. 1/500 sec, ISO 100
File: JPG, 3072 x 2048 pix, 2.5 MB
Camera: Canon 20D
Parameters: 100 mm, f/4.5, exp. 1/4000 sec, ISO 400
File: JPG, 3504x2336 pix, 2.3 MB
Camera: Canon 20D
Parameters: 100 mm, f/4.5, exp. 1/250 sec, ISO 800
File: JPG, 3504x2336 pix, 2.9 MB
Canon EF 100-300 mm f/4.5-5.6 USM - Summary Canon EF 100-300 mm f/4.5-5.6 USM - Summary Canon EF 100-300 mm f/4.5-5.6 USM - Summary
Camera: Canon 20D
Parameters: 100 mm, f/7.1, exp. 1/200 sec, ISO 400
File: JPG, 3504x2336 pix, 3.6 MB
Camera: Canon 20D
Parameters: 205 mm, f/6.3, exp. 1/400 sec, ISO 400
File: JPG, 3504x2336 pix, 3.1 MB
Camera: Canon 20D
Parameters: 100 mm, f/4.5, exp. 1/25 sec, ISO 100
File: JPG, 3504x2336 pix, 2.4 MB


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