Skip to product overview

Canon EF 40mm f/2.8 STM Lens

The Canon 40mm f/2.8 STM is a 40mm f/2.8 lens designed for Canon EF mount cameras. Used copies start from $163.89 on GearFocus, with buyer protection on every purchase.

Canon EF 40mm f/2.8 STM Lens

Canon EF 40mm f/2.8 STM Lens

Own One Like This?

Make room for more gear in minutes!

Sell your Canon 40mm f/2.8 STM on GearFocus
Canon 40mm f/2.8 STM — image 1
Canon 40mm f/2.8 STM — image 2
Canon 40mm f/2.8 STM — image 3
Canon 40mm f/2.8 STM — image 4
Canon 40mm f/2.8 STM — image 5
Canon 40mm f/2.8 STM — image 6
Canon 40mm f/2.8 STM — image 7
Canon 40mm f/2.8 STM — image 8
Canon 40mm f/2.8 STM — image 9

Canon EF 40mm f2.8 STM Lens

Condition: Good

Product Highlights

  • Ultra-Compact Pancake Design
  • Bright f/2.8 Aperture
  • STM Autofocus for Smooth Video
  • Aspherical Lens Element for Sharpness

Sell your Canon 40mm f/2.8 STM on GearFocus

$163.89

🚚 Free Shipping

As low as $9/mo or interest free with

Shop with confidence. GearFocus Buyer Protection is included with every purchase.

Used Canon 40mm f/2.8 STM Listings on GearFocus

Canon EF 40mm f2.8 STM Lens
Canon EF 40mm f2.8 STM Lens

Good

$163.89

🚚 Free Shipping

Canon EF 40mm f2.8 STM Lens
Canon EF 40mm f2.8 STM Lens

Excellent

$189.06

🚚 Free Shipping

Lens Overview — Canon 40mm f/2.8 STM

The Canon EF 40mm f/2.8 is a full-frame prime lens built for Canon EF-mount DSLRs. With a fixed 40mm focal length sitting squarely in the standard range, it covers a natural, versatile angle of view that suits everything from street shooting to casual portraiture and everyday carry photography. The maximum aperture of f/2.8 gives shooters a meaningful amount of light-gathering capability, allowing for cleaner separation between subject and background compared to slower kit lenses.

One of the most immediately noticeable qualities of this lens is its weight — at just 130g, it is among the lightest options available for the Canon EF system, making it an easy addition to any bag without adding bulk. The 52mm filter thread is a compact, widely compatible size that keeps the overall footprint of the lens small. The lens supports both autofocus and manual focus operation, giving shooters flexibility depending on the situation.

It is designed to cover the full-frame sensor format, meaning it performs without vignetting on Canon's full-frame EF-mount bodies while also being fully usable on APS-C DSLRs. There is no image stabilization included, so shooters relying on this lens in lower light should account for that when selecting shutter speeds.

Key Features — Canon 40mm f/2.8 STM

40mm f/2.8 Prime: A fixed standard focal length covering a natural angle of view well-suited to street, travel, and everyday photography.

Canon EF Mount: Compatible with Canon's full EF-mount DSLR lineup, including both full-frame and APS-C bodies.

Full-Frame Coverage: Designed to cover full-frame sensors without vignetting, making it usable across Canon's entire EF-mount range.

STM Autofocus Motor: Stepping motor autofocus delivers smooth, quiet focusing that is well-suited to both stills and video shooting.

130g Ultralight Build: One of the lightest lenses in the Canon EF system, making it easy to carry all day without adding noticeable weight.

Pancake-Style Design: Slim, compact profile keeps the overall camera package small — a practical choice for travel and discreet shooting.

Lens Specifications — Canon 40mm f/2.8 STM

Canon 40mm f/2.8 STM full specifications
SpecDetail
Use CasesPortrait, Street, Travel
Lens TypePrime
FormatFull Frame
Zoom/PrimePrime
Focal Length40mm
Maximum Aperturef/2.8
Camera SystemDSLR
Lens MountCanon EF
AutofocusYes
Focus TypeAuto, Manual
Image StabilizationNone
Filter Thread52mm

Description — Canon 40mm f/2.8 STM

The Canon EF 40mm f/2.8 is a full-frame compatible prime lens built around the Canon EF mount, designed for use with Canon DSLR cameras. The fixed 40mm focal length places it firmly in the standard range, making it a natural fit for everyday photography across a wide variety of subjects. The f/2.8 maximum aperture enables shooting in lower light conditions and allows for subject-background separation that slower lenses cannot achieve.

Weighing just 130g, this lens is exceptionally light, reducing fatigue during long shooting sessions and making it easy to pair with any Canon EF-mount DSLR without significantly adding to the overall kit weight. The 52mm filter thread keeps the lens compact and compatible with a broad range of commonly available filters. The lens offers both autofocus and manual focus modes, giving photographers full control over how they prefer to work.

With no image stabilization, handheld shooting in dim conditions requires attention to shutter speed selection.

Pros — Canon 40mm f/2.8 STM

  • ✓Extremely lightweight at just 130g, ideal for travel and all-day shooting
  • ✓f/2.8 maximum aperture provides solid light gathering for a standard prime
  • ✓Full-frame coverage makes it compatible with Canon's entire EF-mount DSLR lineup

Cons — Canon 40mm f/2.8 STM

  • ✗No image stabilization, which can be limiting in lower-light or slower-shutter-speed situations
  • ✗Fixed 40mm focal length offers no zoom flexibility
  • ✗f/2.8 maximum aperture is modest compared to faster 50mm or 35mm primes

Videos — Canon 40mm f/2.8 STM

5 Reasons 40mm is the Best Focal Length — Kai W

Resources & Downloads — Canon 40mm f/2.8 STM

Manuals & Guides

Frequently Asked Questions — Canon 40mm f/2.8 STM

What camera mount does this lens use?+
This lens uses the Canon EF mount, making it compatible with Canon EF-mount DSLR cameras. It is designed for full-frame bodies but can also be used on APS-C Canon DSLRs.
Does this lens have image stabilization?+
No. The image stabilization specification is listed as None, so there is no optical stabilization built into this lens. Shooters will need to rely on their camera body or technique to manage camera shake.
What filter size does this lens take?+
The filter thread size is 52mm. This is a relatively compact and common filter size, so 52mm filters are widely available and affordable.
How heavy is this lens?+
The lens weighs 130g, making it one of the lightest options available for the Canon EF system. This makes it a great choice for photographers prioritizing a minimal, low-profile kit.
Does this lens support autofocus?+
Yes. The lens supports both autofocus and manual focus. Autofocus is enabled when paired with a compatible Canon EF-mount DSLR body.
Is this a zoom or prime lens?+
This is a prime lens with a fixed 40mm focal length. There is no zoom capability — the focal length is fixed at 40mm and falls in the standard focal length range.

Similar to Canon 40mm f/2.8 STM

Loading similar products...