Here is a real question re: 12-40 versus the Panny 35-100 F2.8?

Started 2 months ago | Discussions thread
pannumon Senior Member • Posts: 2,408
Re: Here is a real question re: 12-40 versus the Panny 35-100 F2.8?
1

The bottleneck for sharpness in your image is not the lens/sensor/format but the density variation in the atmosphere. Light bends depending on the density or the air, which itself depends on the temperature. This causes turbulence and in many cases gaussian blur.

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