Ultra-wide prime · Full frame

Canon EF 14mm f/2.8L II USM

The Canon EF 14mm f/2.8L II USM is a full frame prime lens (14 mm, f/2.8) for Canon EF. It belongs to the ultra-wide prime class — ideal for astrophotography, landscapes and dramatic perspectives.

14 mmf/2.8Canon EF
14 mm
Focal length
f/2.8
Maximum aperture
114°
Diagonal angle of view (Full frame)
Full frame
Designed for

Specifications#

Brand
Canon
Model
EF 14mm f/2.8L II USM
Lens type
Ultra-wide prime
Focal length
14 mm
Maximum aperture
f/2.8
Image circle
Full frame (36×24 mm)
Mount(s)
Canon EF
Projection
Rectilinear
Autofocus motor
ultrasonic (USM)
Introduced
2007
Lensfun correction profile
Yes — distortion/vignetting/TCA

Equivalent focal length on different cameras#

Field of view and depth-of-field equivalence when this lens is used on bodies with different sensor sizes (natively or via an adapter).

Camera formatAt 14 mmEquiv. aperture (DoF)
Full frame14 mm · 114°f/2.8
APS-C21 mm · 90°f/4.2
APS-C (Canon)22 mm · 88°f/4.5
Micro Four Thirds28 mm · 75°f/5.6

Depth of field & background blur#

Computed on its native Full frame format (CoC 30 µm). “Blur @2 m” is the size of an out-of-focus point at infinity, as a percentage of frame width, with the subject at 2 m — a simple bokeh index. Full table: 14 mm f/2.8 on full frame.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
14 mmf/2.81.03 m12.4 m∞∞2.35 m0.1%
14 mmf/41.90 m∞∞∞1.65 m0.1%
14 mmf/8∞∞∞∞83.1 cm0.0%

Handheld & night-sky limits#

NPF assumes typical 20–24 MP sensors (≈6 µm pixels on full frame, ≈3.9 µm on APS-C, ≈3.3 µm on Micro Four Thirds).

BodyMin. handheld shutter (longest focal)500 rule at 14 mmNPF at 14 mm, f/2.8
Full frame1/15 s36 s20 s
APS-C1/20 s24 s15 s
APS-C (Canon)1/25 s22 s15 s
Micro Four Thirds1/30 s18 s14 s

Adapt it to other systems#

Frequently asked questions#

Is the Canon EF 14mm f/2.8L II USM full frame?

Yes — it covers the full 36 × 24 mm frame.

What is the Canon EF 14mm f/2.8L II USM equivalent to on APS-C?

On a 1.5× APS-C body it frames like 21 mm, and like 22 mm on Canon APS-C.

What is the Canon EF 14mm f/2.8L II USM good for?

As a ultra-wide prime it suits astrophotography, landscapes and dramatic perspectives.

Sources & licences#

Last updated October 03, 2026 · How we calculate · Sources