Samyang 8 mm f/2.8 UMC Fisheye review - Image resolution

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Samyang 8 mm f/2.8 UMC Fisheye

4 September 2012

Arkadiusz Olech

4. Image resolution

The resolution test of the Samyang 8 mm f/2.8 UMC Fisheye was based on RAW files from the Samsung NX10 mirrorless camera. Its 14-megapixes sensor allows the best lenses to exceed slightly the level of 50 lpmm. On the other hand the decency level we situate near 34-36 lpmm. Let’s find out how the Samyang 2.8/8 compares here. The appropriate graph, presenting the performance in the frame centre and on the edge, is below.

Samyang 8 mm f/2.8 UMC Fisheye - Image resolution

Seeing what happens in the frame centre you want to clap and cheer. The image is outstandingly sharp already at the maximum relative aperture where the results go to 50 lpmm. On stopping down to f/4.0 the lens even improves these values, getting to a record level of over 52 lpmm. On even stronger stopping down the diffraction makes itself felt and the MTFs decrease.

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The image quality on the edges of the frame can be described in similar terms. Near the maximum relative aperture and by f/4.0 the resolution goes to a very good level of about 43 lpmm and on further stopping down these values can even improve.

To sum up the Samyang „fisheye” for mirrorless cameras with an APS-C sensor fares exceedingly well starting already from the maximum relative aperture and is able to generate really sharp images across the frame. A round of applause!

At the end of this chapter we present crops taken from photos of our resolution chart. They were saved as JPEG files along with RAW files, used for the analysis above.