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Yongnuo YN42.5mm f/1.7M II

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Prime lens

A prime lens by Yongnuo for Micro Four Thirds cameras, 42mm f/1.7. A cheap autofocus portrait prime for Micro Four Thirds.

MakerYongnuo
Focal length42mm (prime)
Maximum aperturef/1.7
Made forMicro Four Thirds sensors
MountsMicro Four Thirds
Stabilisedno
Autofocusyes

What it frames like

142435508513520040080085mm equiv.42mm on Micro Four Thirds
Its full-frame-equivalent focal length on the sensor it was made for.
Micro Four Thirds 85mm · 24°
How wide 42mm sees on each sensor it covers.
f/1.7
f/1.7 wide open, to scale against f/1.4.
  • On Micro Four Thirds (Micro Four Thirds): like 85mm on full frame; f/1.7 gives about the depth of field of f/3.4 there.

Cameras it fits

Questions people ask

Compare with

See what it frames: its view on the OM System PEN at any distance, and its depth of field, drawn to scale.