Prime lens Yongnuo 50mm f/1.8 for Canon EF mount — Yongnuo YN 50 mm F/1.8 AF/MF

The Yongnuo YN 50 mm F/1.8 is a standard prime lens designed for Canon EF mount cameras. With a bright maximum aperture of f/1.8 it delivers a shallow depth of field and effective subject isolation typical of 50mm primes. The lens supports both autofocus (AF) and manual focus (MF) modes, and its compact, lightweight construction makes it practical for everyday shooting, portraits and low-light situations.

Advantages

The fast f/1.8 aperture enables shooting in lower light and produces a pleasing background blur for portrait and detail work. The optical design provides natural perspective on full-frame Canon EF cameras while remaining suitable for APS-C bodies where it behaves as a short telephoto. Dual focus modes (AF/MF) give flexibility for quick autofocus or precise manual adjustments. The lens’ compact and lightweight build makes it easy to carry and use for extended periods.

Suitable for

• Portrait photography with soft background separation
• Low-light and available-light shooting
• Everyday street and travel photography
• Close-up detail shots and product photography

Key specifications

• Focal length: 50 mm (standard prime)
• Maximum aperture: f/1.8 for shallow depth of field
• Focus modes: Autofocus and manual focus
• Mount type: Canon EF mount (compatible with full-frame and APS-C Canon bodies)
• Construction: Compact and lightweight design suitable for handheld use

How to use

Attach the lens to a Canon camera body with an EF mount until it locks into place. Select autofocus mode on the camera or switch to manual focus on the lens or camera control when precise focusing is required. Use the wide f/1.8 aperture to achieve shallow depth of field; stop down as needed for greater depth of field or sharper corner-to-corner results. For low-light situations, combine the lens’ large aperture with appropriate ISO and shutter speed settings to maintain proper exposure.

Usage recommendations

For portrait work, position the subject several meters from the background and use the f/1.8 aperture to emphasize subject separation. When working in very bright conditions, use smaller apertures or a lens hood to control flare. For critical focus on small subjects, use live view or focus magnification in manual mode to confirm sharpness.