Mystik wrote:
Think of the Sigma like an F2 GM caliber lens.
Maybe I'm being super pedantic, but I feel like this is a little misleading. If I were going to equate it to anything, it would be the CV 35mm 1.7 Ultron. If we follow the latest G/GM primes we see a few themes in design that I feel would disqualify the Sigma from that comparison:
Sealing
Dual AF motors & utilization of said motors to achieve better MFDs/magnification than other lenses of their FL & spec
No flaws (except CA) inside the plane of focus at any point in the focus range (Sigma has glow close up)
Near maximum resolution wide open (Sigma is certainly good, but look at the graph from this post to see how they compare wide open)
Now, I don't mean to say the Sigma is a bad lens—far from it. But its design themes seem to take more ques from classical high quality manual mid-speeds than what Sony is doing with their G/GM primes as of late.
Feb 08, 2021 at 10:02 AM
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