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Yongnuo YN 50mm f/1.8 DA DSM Lens

The Yongnuo 50mm f/1.8 DA DSM is a 50mm f/1.8 lens designed for Canon EF-M mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Yongnuo YN 50mm f/1.8 DA DSM Lens

Yongnuo YN 50mm f/1.8 DA DSM Lens

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Lens Overview — Yongnuo 50mm f/1.8 DA DSM

The Yongnuo YN 50mm f/1.8 DA DSM is a prime lens built for Canon EF-M mount mirrorless cameras, designed specifically for APS-C format sensors. With a maximum aperture of f/1.8, this 50mm standard prime offers photographers the ability to work in lower light conditions and achieve a shallower depth of field compared to slower kit lenses. At just 146g, it's a genuinely lightweight option that suits the compact nature of mirrorless camera systems, making it an easy addition to a travel or everyday kit without adding noticeable bulk.

The 49mm filter thread keeps the cost of compatible filters relatively modest. The lens supports both autofocus and manual focus operation, giving shooters flexibility depending on the shooting situation. As a prime lens in the standard focal length range, it encourages deliberate composition and is well-suited to a range of subjects including portraits, street photography, and general everyday use.

The Canon EF-M mount compatibility means it is designed to work natively with Canon's EF-M mirrorless ecosystem, with no adapter required.

Key Features — Yongnuo 50mm f/1.8 DA DSM

50mm f/1.8 Prime Lens: A standard focal length with a wide maximum aperture, useful for low-light shooting and achieving shallow depth of field separation from the background.

Native Canon EF-M Mount: Designed specifically for Canon's EF-M mirrorless system, allowing direct mounting with no adapter required.

APS-C Format Coverage: Engineered to match the APS-C sensor size used in Canon EF-M system cameras, delivering an effective focal length of approximately 80mm.

Autofocus and Manual Focus: Supports both AF and MF operation, giving shooters flexibility across different shooting situations.

Lightweight Build: Weighing just 146g, the lens adds minimal bulk to compact mirrorless bodies, making it practical for travel and everyday carry.

49mm Filter Thread: A small filter diameter keeps the cost of compatible filters, including ND and polarizers, relatively affordable.

Lens Specifications — Yongnuo 50mm f/1.8 DA DSM

Yongnuo 50mm f/1.8 DA DSM full specifications
SpecDetail
Use CasesTravel
Lens TypePrime
FormatAPS-C
Zoom/PrimePrime
Focal Length50mm
Maximum Aperturef/1.8
Camera SystemMirrorless
Lens MountCanon EF-M
AutofocusYes
Focus TypeAuto, Manual
Image StabilizationNone
Filter Thread49mm

Description — Yongnuo 50mm f/1.8 DA DSM

The Yongnuo YN 50mm f/1.8 DA DSM is a prime lens designed for Canon EF-M mount mirrorless cameras with APS-C format sensors. Its f/1.8 maximum aperture makes it a capable choice for photographers who want more light-gathering ability than a standard kit zoom, along with greater control over depth of field. Weighing just 146g, it's one of the lighter lens options available for the EF-M system, adding minimal weight to your kit.

The 49mm filter thread is a practical, cost-effective size. With both autofocus and manual focus support, the lens adapts to a variety of shooting styles and situations. There is no image stabilization, so steady handheld technique or a camera with in-body stabilization is worth considering.

As a standard focal length prime, it's a straightforward, purpose-built lens for everyday mirrorless shooting within the Canon EF-M ecosystem.

Pros — Yongnuo 50mm f/1.8 DA DSM

  • ✓Wide maximum aperture of f/1.8 enables shooting in lower light and shallower depth of field control
  • ✓Very lightweight at just 146g, well-suited to compact mirrorless systems
  • ✓Supports both autofocus and manual focus for shooting flexibility

Cons — Yongnuo 50mm f/1.8 DA DSM

  • ✗No image stabilization, which can be a limitation in low-light handheld shooting
  • ✗APS-C-only coverage limits compatibility to crop sensor bodies exclusively
  • ✗Canon EF-M mount restricts use to a single, narrower camera ecosystem

Videos — Yongnuo 50mm f/1.8 DA DSM

Yongnuo 50mm f/1.8 S DA DSM lens review - a budget option for Sony — Christopher Frost

Resources & Downloads — Yongnuo 50mm f/1.8 DA DSM

Manuals & Guides

Frequently Asked Questions — Yongnuo 50mm f/1.8 DA DSM

Which cameras is the Yongnuo YN 50mm f/1.8 DA DSM compatible with?+
This lens is designed for the Canon EF-M mount, making it compatible with Canon mirrorless cameras that use the EF-M system. It is optimized for APS-C format sensors, which is the sensor size used across the Canon EF-M camera lineup.
Does this lens have image stabilization?+
No, the Yongnuo YN 50mm f/1.8 DA DSM does not include image stabilization. Shooters relying on stabilization for handheld use may need to depend on any in-body stabilization their camera provides, if available.
Can I use autofocus with this lens?+
Yes, the lens supports autofocus as well as manual focus. Both focus modes are available, giving you the option to switch depending on your shooting needs.
What filter size does this lens use?+
The Yongnuo YN 50mm f/1.8 DA DSM has a 49mm filter thread, which is a common and widely available size for standard photographic filters.
How heavy is this lens?+
The lens weighs 146g, making it a very compact and lightweight option that pairs well with the typically slim profile of Canon EF-M mirrorless camera bodies.

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