Sony 20mm F/2.8 only gives 30mm in APS-C camera?

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Invanovich22 Junior Member • Posts: 45
Sony 20mm F/2.8 only gives 30mm in APS-C camera?

I know on APS-C sensors there you have to multiply actual focal range by crop factor which is 1.5 so 20mm optics really is 30mm?

In specs they say same thing "35mm equivalent focal-length (APS-C)30mm" https://www.sony.ee/electronics/camera-lenses/sel20f28/specifications

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