Lens Yongnuo YN 42,5 mm f/1,7 II for Micro 4/3

Yongnuo YN 42.5mm f/1.7 II Overview

Yongnuo YN 42.5mm f/1.7 II is a new improved version of a lens appreciated in the photographic industry for its great price/quality ratio. The lens is designed for the Micro 4/3 system. Its bright f/1.7 aperture and 42.5 mm focal length (85 mm full-frame equivalent) provide effective background blur and beautiful image plasticity. Easy focusing is thanks to the STM motor assisted autofocus. The manufacturer has refreshed not only the appearance of the lens, betting on an even more ergonomic design. The device offers improved algorithms and new components. Thanks to them, the lens works much quieter. The precision and speed of sharpening have also increased significantly. All this makes the Yongnuo YN 42.5mm f/1.7 II an ideal lens to start your adventure with portrait photography!

Main Product Features

• The market-acclaimed Yongnuo YN 42.5mm f/1.7 lens in a new upgraded version
• Application of ED lenses responsible for correction of chromatic aberration
• Upgraded algorithms for greater precision and faster focusing
• Optical design based on 9 elements arranged in 8 groups
• Typical portrait focal length of 42.5mm (85mm full-frame equivalent)
• New components for improved optical performance
• New components for even quieter operation
• A wide and comfortable lens hood
• Wide and convenient manual focus ring
• Smooth autofocus with STM (Stepper Motor)
• Metal bayonet and the use of gold-plated contacts
• Minimum focus distance of 30 cm
• Excellent zoom ratio
• Excellent price/quality ratio
• Extremely bright f/1.7 aperture
• Compact size
• Low weight

New Housing and Even Better Performance

Yongnuo engineers decided to improve the well-received Yongnuo YN 42.5mm f/1.7 lens. The version marked II means even better performance and a new refreshed look. Inside the ergonomic barrel is the same great optical design based on 9 elements arranged in 8 groups, but managed by a new chip for quieter motor operation. This improvement will be particularly appreciated by those using Micro 4/3 bayonet cameras for filming. Algorithms have also been improved, allowing even better results in terms of precision and speed of sharpening.

Lightweight and Compact Lens

The housing of the Yongnuo YN 42.5mm f/1.7 II is made of lightweight components, resulting in a lightweight lens of just 135g. Such a glass is the ideal companion for long-distance travel, where every extra kilogram of luggage is very noticeable. The bayonet is made of metal, ensuring a solid connection with the camera. Gold-plated contacts ensure the highest quality of communication. The compact size of this glass will certainly appeal to all users of the Micro 4/3 system, which in its very nature relies on compact solutions!

Autofocus and Manual Focus

The Yongnuo YN 42.5mm f/1.7 II lens is equipped with an STM stepper motor. This technology makes focusing more accurate and smooth. With the AF/MF switch located on the lens body, you can quickly switch to manual focus mode. Whether you're a beginner just learning how to use your camera, or a professional who knows exactly what parameters will work in what conditions, this lens is designed for you.

Optical System

The optical construction of the Yongnuo YN 42.5mm f/1.7 II lens for Micro 4/3 consists of 9 lenses arranged in 8 groups. It includes two elements.