Yongnuo YN 25mm f/1.7 M Lens for Micro Four Thirds

The Yongnuo YN 25mm f/1.7 M stands out as a compact prime lens tailored for Micro Four Thirds cameras, offering a bright f/1.7 maximum aperture that excels in low light and provides pleasing background blur. Its 25mm focal length delivers a natural perspective, equivalent to 50mm in full-frame terms, making it a versatile choice for everyday photography, portraits, and street scenes.

Highlights

• Bright f/1.7 aperture for low-light performance and shallow depth of field
• Compact and lightweight design, ideal for travel and everyday carry
• STM stepping motor for smooth, quiet autofocus, suitable for both stills and video
• Circular 7-blade diaphragm for beautiful bokeh
• Metal mount and 52mm filter thread for durability and accessory compatibility

In daily use

The lens focuses as close as 0.2 meters, allowing you to capture detailed close-ups with a maximum magnification of 0.2x. Its 46-degree angle of view provides a classic standard perspective, and the optical design of 7 elements in 6 groups ensures sharp, high-contrast images across the frame.

Full specifications

• Lens type: Prime lens
• Focal length: 25mm
• Maximum aperture: f/1.7
• Minimum aperture: f/16
• Lens mount: Micro Four Thirds
• Format compatibility: Micro Four Thirds
• Angle of view: 46°
• Minimum focus distance: 0.2 m
• Maximum magnification: 0.2x
• Optical design: 7 elements in 6 groups
• Diaphragm blades: 7 (circular)
• Autofocus motor: STM stepping motor
• Image stabilization: No
• Filter thread size: 52mm
• Construction: Metal mount, engineering plastic barrel
• Colour: Black

Final note

The Yongnuo YN 25mm f/1.7 M is a reliable and affordable standard prime for Micro Four Thirds shooters, balancing optical quality with portability.