I've been testing this lens during a 2 week roadtrip in Italy. No photos to share yet, since I only just got home.
These are some of my thoughts now that I know it really well:
- The sharpness is amazing, even at 1.4
- The lack of CA is impressive compared to other fast 85's
- Very nice size and weight
- The AF is silent and reasonably fast. However: it's clearly a step below my Sony 85/1.8 when it comes to tracking.
The first shot in a burst is spot on most of the time, but the following shots often are not (depending on how fast the subjects move ofcourse). I've seen this behaviour in other Sigma DG DN lenses as well and makes me believe Sigma still has some work to do on their AF algorithm. The first shot is so good and fast most of the time, so it's not that the AF motor isn't fast enough. This is on an A9 so the camera is not the bottleneck here.
- The pincushion distortion really is huge, unseen before in any 85 I've ever used.
- It has VERY strong vignetting. I was surprised that even at F8 you get dark (extreme) corners.
Again something I've never seen before in any of the many 85's I've used.
- The bokeh is mostly good (also helped by the lack of CA), but it can be a bit rougher on the edges when you're subject is at mid distance. The GM does offer a smoother look.
Sep 27, 2020 at 07:53 AM
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