LensTip.com

Lens review

Canon EF 70-200 mm f/2.8L IS II USM

3 November 2010
Arkadiusz Olech

5. Chromatic aberration

The graphs below show the results of the lateral chromatic aberration on the edge of the APS-C sensor and full frame.

Canon EF 70-200 mm f/2.8L IS II USM - Chromatic aberration

Canon EF 70-200 mm f/2.8L IS II USM - Chromatic aberration



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As you see, as long as we don’t attach the converter, the situation is practically perfect. At no combination of aperture and focal length does the level of this aberration exceed the value of 0.1%. What’s more, at most of combinations it is less than 0.08% so very low. It would be difficult to complain about anything here – the performance of the lens can be assessed only and solely as very positive.

A bit more critical remarks can appear during the description of the lens’s performance with the converter attached. If you stop the system down to the aperture value near f/5.6 and f/8.0 the aberration starts to increase to the medium level and can even be visible on our photos. Fortunately, even at its peak, the aberration doesn’t reach high level.

When it comes to correcting the longitudinal chromatic aberration, we can use the same superlatives as in the case of the lateral CA. You can see in the crops below that the contrast borders, even if they are situated far from the depth of field area, don’t have these bothersome purple-red colouring. Once again the lens deserves our praise.

Canon EF 70-200 mm f/2.8L IS II USM - Chromatic aberration


At the end of this chapter we present the photos of our test chart borders, illustrating the behaviour of the lens when it comes to the lateral chromatic aberration.

Canon EF 70-200 mm f/2.8L IS II USM - Chromatic aberration