Standard zoom · Full frame

Canon EF 28-80mm f/3.5-5.6 USM IV

The Canon EF 28-80mm f/3.5-5.6 USM IV is a full frame zoom lens (28–80 mm, f/3.5–5.6) for Canon EF. It belongs to the standard zoom class — ideal for everyday shooting, travel, events and walkaround use.

28–80 mmf/3.5–5.6Canon EF
28–80 mm
Focal length
f/3.5–5.6
Maximum aperture
75°–30°
Diagonal angle of view (Full frame)
Full frame
Designed for
2.9×
Zoom ratio

Specifications#

Brand
Canon
Model
EF 28-80mm f/3.5-5.6 USM IV
Lens type
Standard zoom
Focal length
28–80 mm
Maximum aperture
f/3.5–5.6
Image circle
Full frame (36×24 mm)
Mount(s)
Canon EF
Projection
Rectilinear
Autofocus motor
ultrasonic (USM)
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 mmAt 47 mmAt 80 mmEquiv. aperture (DoF)
Full frame28 mm · 75°47 mm · 49°80 mm · 30°f/3.5
APS-C42 mm · 53°70 mm · 33°120 mm · 20°f/5.2
APS-C (Canon)45 mm · 51°75 mm · 32°128 mm · 19°f/5.6
Micro Four Thirds56 mm · 42°94 mm · 26°160 mm · 15°f/7.0

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/4 on full frame.

FocalApertureat 1 mat 2 mat 5 mat 10 mHyperfocalBlur @2 m
28 mmf/3.526.5 cm1.14 m12.0 m∞7.49 m0.3%
28 mmf/430.4 cm1.33 m18.1 m∞6.56 m0.3%
28 mmf/865.3 cm3.80 m∞∞3.29 m0.1%
47 mmf/3.59.1 cm37.5 cm2.49 m12.2 m21.1 m0.9%
47 mmf/410.4 cm42.9 cm2.90 m15.3 m18.5 m0.8%
47 mmf/820.9 cm88.9 cm7.57 m∞9.25 m0.4%
80 mmf/3.53.0 cm12.6 cm81.2 cm3.34 m61.0 m2.6%
80 mmf/43.5 cm14.4 cm93.0 cm3.85 m53.4 m2.3%
80 mmf/86.9 cm29.0 cm1.91 m8.63 m26.7 m1.2%

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/3.5
Full frame1/80 s18 s11 s
APS-C1/125 s12 s9 s
APS-C (Canon)1/125 s11 s8 s
Micro Four Thirds1/160 s9 s8 s

Adapt it to other systems#

Frequently asked questions#

Is the Canon EF 28-80mm f/3.5-5.6 USM IV full frame?

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

What is the Canon EF 28-80mm f/3.5-5.6 USM IV equivalent to on APS-C?

On a 1.5× APS-C body it frames like 42–120 mm, and like 45–128 mm on Canon APS-C.

What is the Canon EF 28-80mm f/3.5-5.6 USM IV good for?

As a standard zoom it suits everyday shooting, travel, events and walkaround use.

Sources & licences#

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