Wide-angle prime · Full frame

Canon EF 28mm f/2.8

The Canon EF 28mm f/2.8 is a full frame prime lens (28 mm, f/2.8) for Canon EF. It belongs to the wide-angle prime class — ideal for street, environmental portraits, landscapes and astro.

28 mmf/2.8Canon EF
28 mm
Focal length
f/2.8
Maximum aperture
75°
Diagonal angle of view (Full frame)
Full frame
Designed for

Specifications#

Brand
Canon
Model
EF 28mm f/2.8
Lens type
Wide-angle prime
Focal length
28 mm
Maximum aperture
f/2.8
Image circle
Full frame (36×24 mm)
Mount(s)
Canon EF
Projection
Rectilinear
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 28 mmEquiv. aperture (DoF)
Full frame28 mm · 75°f/2.8
APS-C42 mm · 53°f/4.2
APS-C (Canon)45 mm · 51°f/4.5
Micro Four Thirds56 mm · 42°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: 28 mm f/2.8 on full frame.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
28 mmf/2.821.1 cm88.5 cm7.44 m∞9.36 m0.4%
28 mmf/430.4 cm1.33 m18.1 m∞6.56 m0.3%
28 mmf/865.3 cm3.80 m∞∞3.29 m0.1%

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 28 mmNPF at 28 mm, f/2.8
Full frame1/30 s18 s10 s
APS-C1/40 s12 s8 s
APS-C (Canon)1/50 s11 s7 s
Micro Four Thirds1/60 s9 s7 s

Adapt it to other systems#

Frequently asked questions#

Is the Canon EF 28mm f/2.8 full frame?

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

What is the Canon EF 28mm f/2.8 equivalent to on APS-C?

On a 1.5× APS-C body it frames like 42 mm, and like 45 mm on Canon APS-C.

What is the Canon EF 28mm f/2.8 good for?

As a wide-angle prime it suits street, environmental portraits, landscapes and astro.

Sources & licences#

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

Last posts

  1. Is an LTO Tape Drive Overkill for a Small Photography Studio
  2. Can Counterfeit Filters Damage Lens Coatings
  3. Gift Card or Camera Lens Which Choice Fits Better
  4. Camera Accessories Beginners Buy and Rarely Use
  5. Should You Buy Tripod Feet for Rough Terrain
  6. Best Photography Gifts Under Fifty Dollars for Every Skill Level
  7. Should You Carry Extra Lens Caps? Why Spares Save Shoots
  8. Best Gifts for School Photography Teachers by Budget
  9. Best Gifts for Photographers When You Don't Know Their Camera
  10. The Most Dependable Way to Back Up Family Photos