Is the sigma 30mm f 2 8 dn art good for street photography?

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From Sigma 30mm f/2.8 DN Art: Sigma 30mm f/2.8 DN Art: A prime lens by Sigma for APS-C cameras, 30mm f/2.8. Specs - Maker: Sigma - Focal length: 30mm (prime) - Maximum aperture: f/2.8 - Made for: APS-C sensors - Mounts: Sony E, Micro Four Thirds - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony E): like 45mm on full frame; f/2.8 gives about the depth of field of f/4.2 there. - On Micro Four Thirds ...

From Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art: Sigma 15mm f/1.4 DG DN Diagonal Fisheye Art: A prime lens by Sigma for Full frame cameras, 15mm f/1.4. A fast full-frame fisheye, made with night-sky photography in mind.

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