Aperture f-number to full-frame equivalent f-number at Smartphone 1/2" class

1 Aperture = 5.6 Equivalent aperture · profile-dependent conversion · context: sensor profile

Direct Answer

1 Aperture equals 5.6 Equivalent aperture

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

For 2 Aperture, this profile returns 11.2 Equivalent aperture.

Converter Calculator

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

Explanation

Smartphone 1/2" class uses crop factor 5.6 and sensor width 6.4 mm. equivalent_f = f_number x 5.6. For input 1 f, output is 5.6 eq f.

For Aperture to Equivalent aperture, the active sensor profile determines the conversion constants applied to every value.

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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 5.6
2 11.2
5 28
10 56
14 78.4
18 100.8
24 134.4
35 196
50 280
85 476
100 560
135 756
200 1,120