What is the leica apo vario elmarit sl 90 280mm f 2 8 4 good for?

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From Leica APO-Vario-Elmarit-SL 90-280mm f/2.8-4: Leica APO-Vario-Elmarit-SL 90-280mm f/2.8-4: A zoom lens by Leica for Full frame cameras, 90-280mm f/2.8-4. Specs - Maker: Leica - Focal length: 90-280mm (zoom) - Maximum aperture: f/2.8-4 (it gets darker as you zoom in) - Made for: Full frame sensors - Mounts: L-Mount - Stabilised: yes - Autofocus: yes What it frames like - On full frame (L-Mount): as marked, 90-280mm. - On APS-C (L-Mount): like 135-420mm on full frame; f/2.8-4 gives about ...

From Portraits: The lenses: - 50mm f/1.8. The cheapest great lens in photography, made for almost every mount. On full frame it's a natural, slightly tight view; on APS-C it behaves like a classic 75-80mm portrait lens. If you buy one lens for people, buy this. - 85mm f/1.8. The classic full-frame portrait lens: flattering perspective, soft backgrounds, comfortable working distance. On APS-C, a 56mm f/1.2 to f/1.4 plays the same role. - 35mm ...

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