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Yongnuo YN 50mm f/1.8 Lens for Sony E APS-C
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| Type of Product | Lenses |
| Lens mount | Sony E |
| Lens Format Coverage | APS-C |
| Lens Design | Prime Lenses |
| Lens focus length, mm | 50 |
| Focus Type | Autofocus |
| Image Stabilization | No |
| Lens type | medium-format |
| Filter size | 49mm |
| Maximum Aperture | f/1.8 |
General Description
The Yongnuo YN 50mm f/1.8 DA DSM is a standard prime lens designed for Sony E-mount mirrorless cameras with APS-C sensors. Offering a 50 mm focal length, which is equivalent to approximately 75 mm on a full-frame camera, this lens is ideal for portrait photography, providing beautiful background blur and artistic bokeh effects. Its bright f/1.8 aperture facilitates shooting in low-light conditions and allows for creative depth of field control.
Key Features
- Bright f/1.8 aperture for excellent low-light performance
- 50 mm focal length (75 mm equivalent on full frame) ideal for portraits
- Fast, precise, and quiet autofocus using a Digital Stepping Motor (DSM)
- Electronic manual focus ring with focus-by-wire technology for precise control
- Lightweight and compact design, weighing only 146 g
- USB port for firmware updates to improve autofocus and compatibility
- Durable metal bayonet mount with gold-plated contacts for reliable connection
- Excellent price-to-quality ratio
Optical Design
The lens features a classic optical construction of 8 elements in 7 groups, including one low dispersion glass element to reduce chromatic aberrations and color fringing. A nano multi-layer coating is applied to lens elements to minimize flare and ghosting, enhancing contrast and image clarity in challenging lighting conditions.
Autofocus and Manual Focus
Equipped with a DSM stepper motor, the lens provides fast, accurate, and quiet autofocus suitable for both still photography and video recording. Manual focus is supported via a focus-by-wire system, allowing precise adjustments especially useful for macro and detail photography.
Technical Specifications
- Mount: Sony E
- Format Coverage: APS-C
- Focal Length: 50 mm (75 mm equivalent on full frame)
- Angle of View: 30.4°
- Aperture Range: f/1.8 to f/16
- Number of Aperture Blades: 7 (rounded for smooth bokeh)
- Optical Construction: 8 elements in 7 groups (including 1 low dispersion element)
- Minimum Focus Distance: 45 cm
- Maximum Magnification: 0.14x
- Filter Thread Diameter: 49 mm
- Dimensions: 63 mm diameter x 58 mm length
- Weight: 146 g
- Color: Black
- USB Port: Micro USB for firmware updates
Included in the Package
- Yongnuo YN 50mm f/1.8 lens for Sony E
- Sunshield LH-52 T lens hood
- Front lens cap
- Rear lens cap
