Yongnuo YN50mm F1.8S DF DSM Lens for Sony E Mount

The Yongnuo has announced a new lens – YN50mm F1.8S DF DSM for full-frame Sony E-mount cameras. The Sony E mount lens received an optical scheme consisting of 11 elements in 8 groups, with 6 special optical elements.

Yongnuo YN50mm F1.8S DF DSM lens for Sony E mount

The Sony E mount lens barrel is protected, however, the manufacturer does not specify which one. The Yongnuo YN50mm F1.8S DF DSM is an autofocus lens specially designed for Sony E-mount cameras.

If you look at the optical design of this lens, then you can understand that the scheme is new, completely different from the one used in older models for SLR cameras.

It is equipped with quiet digital control stepping motor (DSM) that has a quick start-stop response, high focusing accuracy, and quieter focusing action, which is suitable for photo shooting and video recording.

The lens mount is equipped with a dustproof and waterproof rubber ring, which can effectively resist the entry of dust and water droplets. Equipped with a USB Type-C interface, you can download the latest firmware to upgrade the lens, which keeps the lens at its best performance.

Price and availability

Yongnuo YN50mm F1.8S DF DSM lens for Sony E mount is already available to buy on Amazon.com for $318.

Yongnuo YN50mm F1.8S DF DSM specifications

  • Diagonal angle range: 47.82 Degree
  • Vertical angle range:27.63 Degree
  • Horizontal angle range: 40.23 Degree
  • Lens focal length: 50mm
  • Suitable mount: E mount
  • Frame: Full frame
  • Lens construction: 11 elements in 8 groups
  • Aperture blade: 9 blades
  • Minimum aperture: F/22
  • Minimum focusing distance: 0.45m
  • Maximum magnification: 0.15×
  • Drive system: DSM stepping motor
  • Filter diameter: 58mm
  • Maximum diameter and length: 68×85mm
  • Weight: 395g

Earlier this year, Yongnuo unveiled a new autofocus YN35mm F2S DF DSM wide angle lens for Sony E mount. It is a small, lightweight, and versatile full-frame fast lens suitable for landscape, night scenes, street, food, and other genres and is priced at $246.

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