Is the canon rf 135mm f 1 8l is usm good on aps c?

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From Canon RF 135mm f/1.8L IS USM: Canon RF 135mm f/1.8L IS USM: A prime lens by Canon for Full frame cameras, 135mm f/1.8. Specs - Maker: Canon - Focal length: 135mm (prime) - Maximum aperture: f/1.8 - Made for: Full frame sensors - Mounts: Canon RF - Stabilised: yes - Autofocus: yes What it frames like - On full frame (Canon RF): as marked, 135mm. - On APS-C (Canon) (Canon RF): like 216mm on full frame; f/1.8 gives about the depth of ...

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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