Aperture f-number to full-frame equivalent f-number at 1-inch sensor 13.2mm

1 Aperture = 2.73 Equivalent aperture · profile-dependent conversion · context: sensor profile

Direct Answer

1 Aperture equals 2.73 Equivalent aperture

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

For 2 Aperture, this profile returns 5.46 Equivalent aperture.

Converter Calculator

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

Explanation

1-inch sensor 13.2mm uses crop factor 2.73 and sensor width 13.2 mm. equivalent_f = f_number x 2.73. For input 1 f, output is 2.73 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 2.73
2 5.46
5 13.65
10 27.3
14 38.22
18 49.14
24 65.52
35 95.55
50 136.5
85 232.05
100 273
135 368.55
200 546