I have a FujiFilm camera (mirrorless crop) with a 35mm lens while iPhone SE has a 4mm lens.

What focal length lens do I need for it to get the same field of view as on the iPhone SE?

  • 1
    You might want to include the sensor size of your fuji cam. Otherwise we will have to guess it is APS-C. Mar 22 '20 at 20:20

According to this the iPhone SE has an 29mm-equivalent lens, so on a Fuji with a 23.6x15.6 sensor (Fuji XT-3)(crop factor 1.53) you need a 29/1.53=19mm lens for the same field of view.

  • 12
    Minor note though: the XT-3 has a 3:2 aspect ratio, where the iPhone SE has a 4:5 aspect ratio. As such, although a 19 mm lens may give roughly the same angle of view across the diagonal, it won't show exactly the same angle of view horizontally or vertically. Mar 22 '20 at 9:54

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