I own two A7 bodies (A7 III and A7R III) that I keep mainly for review and comparison purposes, but occasionally, my wife and I use them to cover events with a set of 1.8 prime lenses. (We like to keep our kit as compact as possible.)

What was missing from this set-up was a nice wide angle lens not only to take wide shots indoors but also to capture landscapes and astro photos for my articles. Up until recently, I struggled to settle on a lens, despite there already being a good selection. They were either too expensive, too big, not fast enough or a bit too small and cheap. (I know, I can be picky!)
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https://mirrorlesscomparison.com/stories/sony-20mm-1-8-astrophotography-and-more/