I think it is usually assumed that people talk about 35mm equivalent focal length[0]. [0] https://en.wikipedia.org/wiki/35_mm_equivalent_focal_length https://en

I think it is usually assumed that people talk about 35mm equivalent focal length[0]. [0] https://en.wikipedia.org/wiki/35_mm_equivalent_focal_length https://en.wikipedia.org/wiki/35_mm_equivalent_focal_length