Aperture f-number to full-frame equivalent f-number at APS-C Sony/Fuji 23.5mm

1 Aperture = 1.5 Equivalent aperture · profile-dependent conversion · context: sensor profile

Direct Answer

1 Aperture equals 1.5 Equivalent aperture

This result depends on the selected profile context: sensor profile.

For 2 Aperture, this profile returns 3 Equivalent aperture.

Converter Calculator

1 Aperture (f-number) =
1.5 Equivalent aperture (f-number, DoF basis)

Explanation

APS-C Sony/Fuji 23.5mm uses crop factor 1.5 and sensor width 23.5 mm. equivalent_f = f_number x 1.5. For input 1 f, output is 1.5 eq f.

Aperture to Equivalent aperture is profile-bound here: the selected sensor profile controls the mapping used by calculator and reference table.

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Keep the same profile in both directions to avoid mixing lookup systems that use different size mappings.

Method & Reference (Verified)

  • Method basis: profile-bound mapping; constants depend on the selected profile encoded in the route.
  • Profile reference: sensor profile.
  • Consistency rule: keep the same profile in mirror direction to avoid mixing incompatible mappings.

Common Conversion Values

Aperture (f-number)Equivalent aperture (f-number, DoF basis)
1 1.5
2 3
5 7.5
10 15
14 21
18 27
24 36
35 52.5
50 75
85 127.5
100 150
135 202.5
200 300