Samyang AF 35 mm f/2.8 FE
5. Chromatic and spherical aberration
Chromatic aberration
The tested lens doesn’t have any problems with the longitudinal chromatic aberration and thumbnails below prove that much. At the maximum relative aperture you can notice very slight colouring of out-of-focus areas but it is an effect very difficult to perceive in real life photos. |
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The situation is splendid as well. Results of 0.02-0.04% mean the aberration level is negligible and shouldn’t bother you in real life photos. What’s more, the Samyang once again fares better than the Sonnar although the differences between those two are merely cosmetic.
| A7R II, RAW, f/2.8 | A7R II, RAW, f/5.6 |
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Spherical aberration
The tested lens doesn’t have either „focus shift” effect or characteristic mist at the maximum relative aperture which is most often connected to a bad correction of spherical aberration. These facts make us think that the Samyang 2.8/35 FE doesn’t have any noticeable problems in this area, especially that the out-of-focus light circles in front of and behind the focal point remain pretty much similar.
| A7R II, f/2.8, in front of | A7R II, f/2.8, behind |
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