Sony FE 16-35 mm f/2.8 GM II
5. Chromatic and spherical aberration
Chromatic aberration
A huge number of special elements resulted in excellent correction of longitudinal chromatic aberration – it is practically invisible. |
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Now let's glance at graphs below to check the correction of lateral chromatic aberration on the edge of the APS-C sensor and on the edge of full frame.
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The performance is sensational here as well – in most combinations of different parameters the values don't exceed 0.04%. It means that you deal here with very low levels. Reaching of such results in a fast ultra wide-andle lens is certainly praiseworthy. A round of applause!
| A7R III, RAW, 35 mm, f/2.8 | A7R III, RAW, 16 mm, f/16.0 |
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Spherical aberration
First photos, presented in this chapter, don't show any noticeable focus shift effect. When it comes to out-of-focus circles of light, a different appearance of the lighter rim was the only difference we could spot. All these features indicate that problems with spherical aberration are slight here, and the tested lens fares well in this category.
| A7R III, 28 mm, f/2.8, before | A7R III, 28 mm, f/2.8, after |
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