Leica apo macro elmarit tl 60mm f 2 8 asph vs leica apo summicron sl 90mm f 2 asph?

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From Leica APO-Macro-Elmarit-TL 60mm f/2.8 ASPH: Leica APO-Macro-Elmarit-TL 60mm f/2.8 ASPH: A macro lens by Leica for APS-C cameras, 60mm f/2.8. A macro lens, about 90mm equivalent. Specs - Maker: Leica - Focal length: 60mm (macro) - Maximum aperture: f/2.8 - Made for: APS-C sensors - Mounts: L-Mount - Stabilised: no - Autofocus: yes What it frames like - On APS-C (L-Mount): like 90mm on full frame; f/2.8 gives about the depth of field of f/4.2 there. - On the larger-sensor ...

From Leica APO-Summicron-SL 90mm f/2 ASPH: Leica APO-Summicron-SL 90mm f/2 ASPH: A prime lens by Leica for Full frame cameras, 90mm f/2. Specs - Maker: Leica - Focal length: 90mm (prime) - Maximum aperture: f/2 - Made for: Full frame sensors - Mounts: L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (L-Mount): as marked, 90mm. - On APS-C (L-Mount): like 135mm on full frame; f/2 gives about the depth of field of f/3 there. ...

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