Samyang 7.5mm f/3.5 UMC Fisheye Lens Review
Samyang 7.5mm f/3.5 UMC Fisheye Performance
As is often par for the course with fisheye lenses, sharpness in the centre is very high at wide apertures. At f/3.5 sharpness is already excellent and good clarity is maintained towards the edges of the frame. Stopping down to f/5.6 results in the highest levels of sharpness in the centre and stopping down to f/8 results in near excellent sharpness across the frame. | How to read our chartsThe blue column represents readings from the centre of the picture frame at the various apertures and the green is from the edges. Averaging them out gives the red weighted column.The scale on the left side is an indication of actual image resolution. The taller the column, the better the lens performance. Simple. For this review, the lens was tested on an Olympus PEN EP-2 using Imatest. |
For a fisheye lens, chromatic aberrations are very well controlled. Fisheyes commonly suffer from high levels of fringing towards the edges of the frame, but as CAs never exceed one pixel width, they should not be an issue in most circumstances with this lens.
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