Lens angle of view·8mm · APS-C

8mm · APS-C

Ultra-wide

Diagonal angle 120.9°
Diagonal angle
120.9°
Horizontal angle
111.5°
Vertical angle
88.5°
Crop factor
1.53×
35 mm equivalent
12mm
Frame width at 2 m
5.88 m
23.5 × 15.6 mm

One step smaller than full frame; the same lens covers a narrower field and looks longer.

Fits a great deal into one frame; edges stretch, so keep people away from the corners.

Same field of view elsewhere

A different sensor needs a different focal length to frame the same scene.

Nearby focal lengths

How to read this

  • Focal length alone does not fix the angle of view — the same 50 mm sees less on a smaller sensor.
  • The crop factor is the sensor diagonal divided into the 35 mm diagonal; multiply the focal length by it for the equivalent.
  • Longer lenses magnify shake. Handheld, a shutter speed faster than one over the equivalent focal length is the usual rule.
  • A wider angle is not purely more scene: the edges stretch, so faces belong near the middle.

Frequently asked questions

Q. What angle of view does 8 mm give on APS-C?

120.9° diagonally, 111.5° horizontally and 88.5° vertically.

Q. What is 8 mm in 35 mm terms?

12 mm — the focal length multiplied by this sensor’s crop factor of 1.53.

Q. What is this combination good for?

It falls in the ultra-wide group. Standing two metres away, it frames 5.88 metres across.

Q. How do I get the same framing on another camera?

A different sensor needs a different focal length; the equivalent combinations are listed further down this page.