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Canon EF 50mm F1.8 STM

Canon EF Autofocus

Canon EF 50mm F1.8 STM

Focal length
50 mm
Aperture
f/1.8
Weight
160 g
Filter diameter
49 mm
Min. focus distance
35 cm
Length
39 mm
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At a Glance

This compact standard prime for Canon EF full frame weighs 160 g and opens to f/1.8. It carries an STM focus motor and focuses down to 35 cm at 0.21x magnification. It suits everyday shooting, street photography, travel and low-light work.

Good for

  • Everyday
  • Street
  • Low light
  • Travel

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

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Min. focal length
50 mm
Max. focal length
50 mm
Max. aperture (min. zoom)
f/1.8
Max. aperture (max. zoom)
f/1.8
Min. aperture
f/22
Elements
6
Groups
5
Weight
160 g (0.35 lb)
Filter diameter
49 mm
Min. focus distance
35 cm (13.78 in)
Max. magnification
1:4.8 (0.21×)
Length
39 mm (1.54 in)
Diameter
69 mm (2.72 in)
Released
May 2015

Manufacturer data: canon-europe.com, usa.canon.com

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Canon EF 50mm F1.8 STM fit?

The Canon EF 50mm F1.8 STM is a full-frame lens for Canon EF cameras. On full-frame bodies it uses the whole sensor; on APS-C Canon EF cameras its field of view equals 80 mm in full-frame terms.

Canon EF cameras

Full frame:
Canon EOS-1D X Mark III,Canon EOS 6D Mark II,Canon EOS-1D X Mark II,Canon EOS 5D Mark IV,Canon EOS 5Ds,Canon EOS 5Ds R,Canon EOS 5D Mark III,Canon EOS 6D,Canon EOS-1D C,Canon EOS-1D X,Canon EOS 5D Mark II
APS-C:
Canon EOS 850D (Rebel T8i),Canon EOS 90D,Canon EOS 250D (Rebel SL3),Canon EOS 4000D (3000D, Rebel T100),Canon EOS 2000D (1500D, Rebel T7),Canon EOS 800D (Rebel T7i),Canon EOS 77D,Canon EOS 200D (Rebel SL2),Canon EOS 80D,Canon EOS 1300D (Rebel T6),Canon EOS 750D (Rebel T6i),Canon EOS 760D (Rebel T6s),Canon EOS 7D Mark II,Canon EOS 1200D (Rebel T5),Canon EOS 70D,Canon EOS 700D (Rebel T5i),Canon EOS 100D (Rebel SL1),Canon EOS 650D (Rebel T4i),Canon EOS 60Da,Canon EOS 600D (Rebel T3i),Canon EOS 1100D (Rebel T3),Canon EOS 550D (Rebel T2i),Canon EOS 60D,Canon EOS 7D,Canon EOS 500D (Rebel T1i),Canon EOS 50D,Canon EOS 450D (Rebel XSi),Canon EOS 1000D (Rebel XS)

With the Canon Mount Adapter EF-EOS R the lens can also be used on Canon RF cameras.

With the Canon Mount Adapter EF-EOS M the lens can also be used on Canon EF-M cameras.

Canon EF 50mm F1.8 STM compared

Key specs side by side with the most similar Canon EF lenses.

LensCanon EF 50mm F1.8 STMCanon EF 50mm F1.8 IICanon EF 50mm F1.4 USMSigma 50mm F1.4 DG HSM Art
Focal length50 mm50 mm50 mm50 mm
Max. aperturef/1.8f/1.8f/1.4f/1.4
Weight160 g130 g290 g815 g
Filter diameter49 mm52 mm58 mm77 mm
Min. focus distance35 cm45 cm45 cm40 cm
Length39 mm41 mm50.5 mm100 mm
Autofocusyesyesyesyes
Image stabilizationnononono
Open these lenses in the comparison and add more

Canon EF 50mm F1.8 STM: FAQ

Does the Canon EF 50mm F1.8 STM have autofocus?

Yes, the Canon EF 50mm F1.8 STM has autofocus.

Does the Canon EF 50mm F1.8 STM have image stabilization?

No, the Canon EF 50mm F1.8 STM has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Canon EF 50mm F1.8 STM weigh?

The Canon EF 50mm F1.8 STM weighs 160 g. It is 39 mm long with a diameter of 69 mm.

What filter size does the Canon EF 50mm F1.8 STM use?

The Canon EF 50mm F1.8 STM takes 49 mm screw-in filters.

How close can the Canon EF 50mm F1.8 STM focus?

The minimum focus distance of the Canon EF 50mm F1.8 STM is 35 cm, measured from the sensor plane.

Is the Canon EF 50mm F1.8 STM a full-frame lens?

Yes, the Canon EF 50mm F1.8 STM covers full frame. On APS-C cameras its field of view equals 80 mm in full-frame terms.

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