Panasonic

Panasonic H-NS043-cr Lumix 42.5mm f/1.2 Lens

4.3 (11 reviews)
f/1.2

The Panasonic Lumix 42.5mm f/1.2 Nocticron delivers stunning portrait-quality bokeh and low-light performance for Micro Four Thirds shooters.

$1,169.95*$1,694.99Save 30%
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*Price sourced from Amazon.com. Last updated:Jun 20, 2026.Price and availability are subject to change.

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Overview

The Panasonic Lumix G Leica DG Nocticron 42.5mm f/1.2 is a flagship portrait lens built for the Micro Four Thirds system. With an 85mm equivalent field of view and an ultra-fast f/1.2 maximum aperture, it excels at isolating subjects with creamy background blur that rivals full-frame systems. The Leica-certified optics and Advanced Nano Surface Coating work together to deliver sharp, high-contrast images with minimal ghosting, even when shooting into challenging light. The inclusion of POWER O.I.S. image stabilization is a practical advantage, helping photographers maintain sharpness during handheld portrait sessions or video work in dimmer environments.

Build quality matches the optical performance, with a solid metal construction, dedicated external aperture ring, and included metal lens hood that reinforce its professional positioning. The aperture ring provides a satisfying, clickless option for video shooters and a clicked mode for stills photographers who prefer tactile feedback. While the lens is larger and heavier than typical Micro Four Thirds glass, it remains considerably more compact than equivalent full-frame portrait lenses, making it a strong choice for photographers who want top-tier portrait rendering without the bulk of a larger camera system.

Key Features

Optically Stabilized with LUMIX Power O.I.S.

LUMIX Advanced Nano Surface Coating

External Aperture Ring and Metal Lens Hood

Micro Four Thirds Lens Mount

Specifications

Focal Length
42.5mm (85mm equivalent on 35mm)
Maximum Aperture
f/1.2
Lens Mount
Micro Four Thirds
Image Stabilization
POWER O.I.S.
Coating
LUMIX Advanced Nano Surface Coating
Aperture Ring
External Aperture Ring
Lens Hood
Metal (included)
Brand
Panasonic
Model
H-NS043

Pros & Cons

👍 Pros

  • Exceptionally fast f/1.2 maximum aperture produces beautiful background separation for portraits
  • Built-in POWER O.I.S. stabilization aids handheld shooting in low light
  • External aperture ring offers tactile, direct control over exposure settings
  • Nano Surface Coating effectively minimizes ghosting and flare artifacts
  • Premium metal lens hood included for added protection and light control

👎 Cons

  • Significantly larger and heavier than most Micro Four Thirds lenses due to the fast aperture design
  • Premium pricing places it well above standard portrait lens options in the MFT system
  • Autofocus speed may not keep up with fast-moving subjects compared to smaller-aperture alternatives
  • Manual focus ring and aperture ring add bulk that may feel oversized on smaller MFT camera bodies

Frequently Asked Questions

The 42.5mm focal length on a Micro Four Thirds sensor gives an 85mm equivalent, which is a classic portrait focal length.
Yes, it features Panasonic's POWER O.I.S. (Optical Image Stabilizer), which helps reduce blur from camera shake during handheld shooting.
Yes, the Nocticron 42.5mm includes an external aperture ring on the lens barrel, allowing direct manual aperture control without navigating camera menus.
The LUMIX Advanced Nano Surface Coating reduces ghosting and lens flare, helping maintain contrast and clarity when shooting toward light sources.
Yes, a metal lens hood is included with the lens to help block stray light and provide physical protection for the front element.