Standard zoom · Full frame

Canon EF 28-105mm f/3.5-4.5 II USM

The Canon EF 28-105mm f/3.5-4.5 II USM is a full frame zoom lens (28–105 mm, f/3.5–4.5) for Canon EF. It belongs to the standard zoom class — ideal for everyday shooting, travel, events and walkaround use.

28–105 mmf/3.5–4.5Canon EF
28–105 mm
Focal length
f/3.5–4.5
Maximum aperture
75°–23°
Diagonal angle of view (Full frame)
Full frame
Designed for
3.8×
Zoom ratio

Specifications#

Brand
Canon
Model
EF 28-105mm f/3.5-4.5 II USM
Lens type
Standard zoom
Focal length
28–105 mm
Maximum aperture
f/3.5–4.5
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 54 mmAt 105 mmEquiv. aperture (DoF)
Full frame28 mm · 75°54 mm · 44°105 mm · 23°f/3.5
APS-C42 mm · 53°81 mm · 29°158 mm · 15°f/5.2
APS-C (Canon)45 mm · 51°86 mm · 28°168 mm · 15°f/5.6
Micro Four Thirds56 mm · 42°108 mm · 23°210 mm · 12°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%
54 mmf/3.56.8 cm28.2 cm1.84 m8.22 m27.8 m1.2%
54 mmf/47.8 cm32.2 cm2.12 m9.83 m24.4 m1.0%
54 mmf/815.7 cm65.8 cm4.88 m49.6 m12.2 m0.5%
105 mmf/3.51.7 cm7.2 cm46.7 cm1.90 m105 m4.6%
105 mmf/41.9 cm8.3 cm53.4 cm2.18 m92.0 m4.0%
105 mmf/83.9 cm16.5 cm1.08 m4.52 m46.0 m2.0%

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 28 mmNPF at 28 mm, f/3.5
Full frame1/100 s18 s11 s
APS-C1/160 s12 s9 s
APS-C (Canon)1/160 s11 s8 s
Micro Four Thirds1/200 s9 s8 s

Compatible cameras#

Bodies in our database with a native Canon EF mount.

Adapt it to other systems#

Sony E-mountCanon RFNikon ZFujifilm X-mountMicro Four ThirdsL-MountCanon EF-MFujifilm G-mountHasselblad XCDNikon 1 (CX)Pentax QSamsung NXNikon FPentax K

Similar lenses#

Frequently asked questions#

Is the Canon EF 28-105mm f/3.5-4.5 II USM full frame?

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

What is the Canon EF 28-105mm f/3.5-4.5 II USM equivalent to on APS-C?

On a 1.5× APS-C body it frames like 42–158 mm, and like 45–168 mm on Canon APS-C.

What is the Canon EF 28-105mm f/3.5-4.5 II USM 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