Sigma 28 1.4 Art - DP Review Photos & Ephotozine Review

Started Jan 23, 2019 | Discussions thread
Franz Kerschbaum
Franz Kerschbaum Contributing Member • Posts: 883
Re: Sigma 28 1.4 Art - DP Review Photos & Ephotozine Review
2

Short first test on stars to test Vignettoing (here the urban light pollution helps) as well as corner performance.

First Vignetting:

SA 28/1.4 @ f/1.4, f/2.0, f/2.8, f/4.0 always with same EV value and without any lens corrections

Now centre sharpness at 100%:

SA centre 100% crop: UL: f/1.4, UR f/2.0, LR f/2.8, LL: f/4.0

Finally corner (UL) sharpness at 100%:

SA UL 100% crop: UL: f/1.4, UR f/2.0, LR f/2.8, LL: f/4.0

 Franz Kerschbaum's gear list:Franz Kerschbaum's gear list
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