The YN 25mm f/1.7 Prime Lens from Youngnuo is a standard focal length prime lens for Micro Four Thirds mirrorless cameras. It is the equivalent perspective of a 50mm focal length for 35mm format. This standard-length lens is suitable for use for landscapes, portraiture, street photography, night scenes, and indoor photography. The bright, fast f/1.7 aperture allows use in in low light situations and combines with the 7-blade aperture for creamy bokeh. The high precision STM stepper motor achieves fast, quiet and precise focus, and the focusing ring can be rotated to full-time manual focus. The lens barrel features an AF/MF focus switch, allowing autofocus or manual mode focus selection.
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Key Features
- Micro Four Thirds Format
- Aperture Range: f/1.7 to f/22
- 1x Ultra-Low ED, 2x Aspheric Elements
- Minimum Focus Distance: 7.9"
The YN 25mm f/1.7 Prime Lens from Youngnuo is a standard focal length prime lens for Micro Four Thirds mirrorless cameras. It is the equivalent perspective of a 50mm focal length for 35mm format. This standard-length lens is suitable for use for landscapes, portraiture, street photography, night scenes, and indoor photography. The bright, fast f/1.7 aperture allows use in in low light situations and combines with the 7-blade aperture for creamy bokeh. The high precision STM stepper motor achieves fast, quiet and precise focus, and the focusing ring can be rotated to full-time manual focus. The lens barrel features an AF/MF focus switch, allowing autofocus or manual mode focus selection.
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Yongnuo 25mm f/1.7 Overview
Yongnuo 25mm f/1.7 Specs
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| Optical Design | |
| Aperture/Iris Blades | |
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Packaging Info
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Yongnuo 25mm f/1.7 Reviews
Excellent low light street photography
By Jorge
Rated 5 out of 5
Date: 2025-09-04
Perfect low light street photography lens in mft is compact and lightweight. Auto focus works well, I'm glad I have it for my nighttime videos and stills
STUNNING.
By mark
Rated 5 out of 5
Date: 2024-04-10
A genuinely great low light/portrait lens for any M/43 system. At this price its unbeatable.
See any errors on this page?
Is this lens comparable with the Sony A6100?
Is this lens comparable with the Sony A6100?
No. The following lens is made for micro four third units.
Date published: 2022-06-13
is this lens compatible with the lumix g7?
is this lens compatible with the lumix g7?
Yes, the Yongnuo YN25mm f/1.7 Prime Lens for Micro Four Thirds is compatible with the Panasonic Lumix G7.
Date published: 2022-03-14
Is it compatible with S5 lumix ?
Is it compatible with S5 lumix ?
The YN25mm f/1.7 lens is only for the Micro 4/3 series cameras, so it cannot fit the Panasonic S5 which has the L-mount.
Date published: 2022-04-11