Rethinking focal length conventions

Started 7 months ago | Discussions thread
(unknown member) Veteran Member • Posts: 6,452
Re: Rethinking focal length conventions
4

Not sure what the point is. As a rule of thump, a prime kit should contain lenses that double the focal lenght. So 24,50,100,200. Or 15,30,60,120. Or 20,40,80,160, as in your example. The difference in perspective between a 35 and a 40mm is very small. Even smaller is the difference between an 80 and an 85. As to speed, f1.4 will result in big and heavy (and expensive) lenses. What for? If you do statistics on your 20 years: What is the percantage of images shot a f1.4 overall? Me, I am rarely taking images at 1.4 or 1.8. People like things to be in focus - and not just the eyes My FF prime kit consists of Voigtländer 15f4.5, 21f3.5, Sigma 24f3.5, Sigma 35f2, Sigma 65f2 and FE85f1.8. Still hoping for a reasonabley good and small Sigma 135f2.8 or f3.5.

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