Canon EF 50mm f/1.8 STM Lens
The Canon 50mm f/1.8 STM is a 50mm f/1.8 lens with Canon EF mount. It features 50mm f/1.8 Prime and Canon EF Mount. Used prices on GearFocus start from $99.09 with buyer protection and verified sellers.
Canon EF 50mm f/1.8 STM Lens
Buy Canon 50mm f/1.8 STM
Canon EF 50mm f1.8 STM Lens
Condition: Good
Product Highlights
- Compact and lightweight prime lens
- Fast f/1.8 aperture for low-light performance
- Smooth and quiet STM autofocus motor
- Optimized lens coatings to reduce flare
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1 Canon 50mm f/1.8 STM Listing on GearFocus
Canon 50mm f/1.8 STM Overview
The Canon EF 50mm f/1.8 is a standard prime lens built for Canon's EF mount system, designed to cover full-frame sensors and compatible with Canon DSLR cameras. With a maximum aperture of f/1.8, it offers a wide opening that gives photographers meaningful control over depth of field and the ability to shoot in lower ambient light without pushing exposure settings to extremes. The lens is a true prime, fixed at 50mm, which falls squarely in the standard focal length range — a perspective often described as close to natural human vision on a full-frame body.
Autofocus is supported alongside manual focus, giving shooters flexibility depending on the situation. The lens accepts 49mm filter thread accessories, making it compatible with a broad range of affordable filter options. At just 160 grams, it is notably light for an f/1.8 prime, making it an easy lens to carry for extended periods without adding meaningful weight to a kit.
Image stabilization is not included in this lens. Overall, the EF 50mm f/1.8 is a straightforward, lightweight prime offering a fast maximum aperture of f/1.8 on the Canon EF mount.
50mm f/1.8 Prime: Fixed 50mm focal length with a wide f/1.8 maximum aperture for control over depth of field and performance in lower light.
Canon EF Mount: Fits the full Canon EF DSLR lineup, with full-frame coverage on bodies like the 5D and 6D series.
STM Autofocus Motor: Stepping motor autofocus delivers smooth, quiet focusing well-suited to both stills and video shooting.
Full-Frame Coverage: Designed to cover Canon's full-frame sensors, and also usable on APS-C bodies where it gives an 80mm equivalent field of view.
160g Compact Build: At just 160 grams, it is one of the lightest f/1.8 primes available, adding minimal weight to any kit.
Auto and Manual Focus: Supports both autofocus and manual focus, giving shooters flexibility across different shooting scenarios.
49mm Filter Thread: A small, common filter diameter that keeps the cost of compatible ND, UV, and polarizing filters low.
6-Blade Aperture Diaphragm: Six-blade iris produces circular out-of-focus highlights at wider apertures for background separation.
Canon 50mm f/1.8 STM Specifications
| Spec | Detail |
|---|---|
| Use Cases | Portrait, Street, Travel, Beginner-Friendly |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 50mm |
| Maximum Aperture | f/1.8 |
| Camera System | DSLR |
| Lens Mount | Canon EF |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | None |
| Filter Thread | 49mm |
| Weight | 160g |
Description
The Canon EF 50mm f/1.8 is a prime lens built around the Canon EF mount, covering full-frame sensors on Canon DSLR cameras. Its f/1.8 maximum aperture is the standout specification here, offering a wide opening for creative depth-of-field work and shooting in reduced light. Focal length is fixed at 50mm, placing it firmly in the standard range.
The lens supports both autofocus and manual focus, giving users the flexibility to switch between modes as their shooting style demands. Weighing just 160 grams, it adds minimal bulk to any DSLR body, making it a practical choice for photographers who value a lightweight kit. The 49mm filter thread provides compatibility with a wide selection of filters at an accessible price point.
It is worth noting that this lens includes no image stabilization, so stable shooting technique or adequate shutter speeds are important considerations in lower light conditions.
Pros
- ✓Fast f/1.8 maximum aperture provides strong control over depth of field
- ✓Extremely lightweight at just 160g, easy to carry all day
- ✓Supports both autofocus and manual focus operation
- ✓49mm filter thread is a common, affordable filter size
- ✓Full-frame coverage on Canon EF mount DSLRs
- ✓Fixed 50mm standard focal length keeps optical design simple and focused
Cons
- ✗No image stabilization included
- ✗Fixed 50mm focal length offers no zoom flexibility
- ✗Canon EF mount only — not compatible with mirrorless bodies without an adapter
- ✗49mm filter thread, while affordable, is non-standard compared to more common sizes like 58mm or 77mm
Canon 50mm f/1.8 STM Reviews
Canon 50mm f/1.8 STM Videos
Canon 50mm f/1.8 STM lens review with samples (Full-frame and APS-C) — Christopher Frost
Frequently Asked Questions
What camera mount does this lens use?+
This lens uses the Canon EF mount, designed for Canon DSLR cameras. It is not a native mirrorless mount lens.
Does this lens work on full-frame Canon DSLRs?+
Yes. The lens format is specified as Full Frame, meaning it provides full image circle coverage for full-frame Canon EF mount DSLRs.
Does the lens have image stabilization?+
No. The image stabilization for this lens is listed as None, so there is no optical stabilization built into the lens itself.
What filter size does this lens accept?+
This lens has a 49mm filter thread, which is a relatively small and widely available filter size.
Does this lens support autofocus?+
Yes. The lens supports both autofocus and manual focus, as listed in its focus type specifications.
How heavy is this lens?+
The lens weighs 160 grams, making it one of the lighter options available for the Canon EF mount system.