Horizontal angle of view (degrees) to Focal length (mm) for Medium format 53.4x40

1 Horizontal angle of view (degrees) = 3,059.516958 Focal length (mm) ยท camera-equivalence calculation for Medium format 53.4x40

Direct Answer

On Medium format 53.4x40, a 50 horizontal angle of view needs about a 57.258335 mm lens

This result uses the fixed Medium format 53.4x40 sensor profile (crop factor 0.67).

To reach 14 Horizontal angle of view (degrees), you need 217.45405 Focal length (mm) on Medium format 53.4x40.

Converter Calculator

3,059.516958 Focal length (mm)

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Explanation

Formula: focal_mm = 53.4 / (2 x tan(HFOV/2)). Why: this page keeps Medium format 53.4x40 fixed, so crop factor and sensor width stay explicit for every calculation.

Medium format 53.4x40: a sensor profile with crop factor 0.67 and sensor width (horizontal) 53.4 mm, used as the fixed framing basis for this page.

Horizontal angle of view (degrees): a camera-equivalence quantity in this family that depends on the selected crop model.

Focal length (mm): a camera-equivalence quantity in this family that depends on the selected crop model.

This route is useful when you know the target horizontal framing angle and need the focal length required on Medium format 53.4x40.

This page is sensor-profile dependent rather than universal because camera equivalence changes with sensor geometry (Medium format 53.4x40).

Method & Sensor Profile

  • Model basis: Medium format 53.4x40 sensor profile with crop factor 0.67 and sensor width 53.4 mm.
  • Profile reference: Medium format 53.4x40 (crop factor 0.67, sensor width 53.4 mm).
  • Consistency rule: forward and reverse pages keep the same sensor profile; only the formula direction changes.

Common Conversion Values

Horizontal angle of view (degrees)Focal length (mm)
14 217.45405
24 125.613624
28 107.087851
35 84.681581
50 57.258335
70 38.131552
85 29.137937
135 11.059502
200 -4.70793

Frequently Asked Questions

Which sensor assumptions are fixed for horizontal angle of view (degrees) to focal length mm?

Horizontal angle of view (degrees) to focal length mm is fixed to Medium format 53.4x40, crop factor 0.67, sensor width 53.4 mm.

How do I reverse deg to mm for Medium format 53.4x40?

Use the opposite-direction page for Medium format 53.4x40 to convert focal length (mm) back to horizontal angle of view (degrees) with the same sensor assumptions.

Can horizontal angle of view (degrees) to focal length mm replace full lens-design simulation?

No. Horizontal angle of view (degrees) to focal length mm provides framing and geometry approximations, not full optical-model behavior.