Lens - Yongnuo Yn 25 Mm F/1.7

Yongnuo YN 25mm f/1.7 M

The Yongnuo YN 25mm f/1.7 M is a bright lens compatible with the Micro 4/3 mount used by popular camera brands such as Panasonic and Olympus. The glass offers fast and accurate autofocus that works great for both video and stills.

The lens is lightweight and compact in size.

This is a classic among fixed focal length lenses!

Main features:

• Bright aperture f/1.7


• AF/MF switch to select between manual and autofocus


• Ability to use the focus ring in autofocus (AF) mode


• Fast, quiet and precise focusing based on a completely new control system equipped with a precision STM stepping motor


• Additional function button to make working with the camera easier

Technical specifications:

• Model: Yongnuo YN 25mm f/1.7 M


• Mounting: Micro 4/3


• Focal length: 25 mm (full-frame equivalent: 50 mm)


• Autofocus mechanism: STM


• Field of view: Diagonal: 49.4° Vertical: 30.4° Horizontal: 39.9°


• Minimum aperture: f/1.7


• Maximum aperture: f/22


• Optical construction: 7 elements in 6 groups


• Number of blades: 7


• Minimum focusing distance: 20 cm


• Resolution scale: 0.2x


• Filter diameter: 52 mm


• Dimensions: 6.1 x 6.7 cm


• Weight: 150g (without lens cap)