Panasonic Leica DG Nocticron 42.5mm f/1.2 ASPH. Lens
The Panasonic 42.5mm f/1.2 ASPH. is a lens from Panasonic. Check GearFocus for current availability, with buyer protection on every purchase.

Panasonic Leica DG Nocticron 42.5mm f/1.2 ASPH. Lens
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Lens Overview — Panasonic 42.5mm f/1.2 ASPH.
Key Features — Panasonic 42.5mm f/1.2 ASPH.
f/1.2 Maximum Aperture: Exceptionally wide aperture allows for strong subject separation and effective shooting in low-light environments without flash.
85mm Full-Frame Equivalent: The 42.5mm focal length translates to a classic 85mm portrait perspective on Micro Four Thirds cameras, flattering for headshots and tight portraits.
Leica DG Co-Branding: Optical design meets Leica's quality standards, indicating rigorous testing and premium glass selection within the Panasonic lineup.
Micro Four Thirds Mount: Native MFT mount ensures full electronic compatibility with cameras from Panasonic and Olympus, including autofocus and image stabilization communication.
Aspherical Lens Elements: ASPH. elements reduce spherical aberration and distortion, contributing to sharpness and rendering quality across the frame.
Built-In Optical Image Stabilization: Lens-based stabilization works in conjunction with in-body stabilization on compatible Panasonic bodies for enhanced handheld performance.
Lens Specifications — Panasonic 42.5mm f/1.2 ASPH.
| Spec | Detail |
|---|---|
| Use Cases | Studio |
| Lens Mount | Micro Four Thirds |
Description — Panasonic 42.5mm f/1.2 ASPH.
The Panasonic Leica DG Nocticron 42.5mm f/1.2 ASPH. is a premium fast prime lens designed for the Micro Four Thirds mount system. The f/1.2 maximum aperture puts it among the fastest lenses available in the MFT ecosystem, giving photographers meaningful control over depth of field and the ability to work effectively in a wide range of lighting conditions. The 42.5mm focal length is a natural fit for portrait work and general-purpose photography, offering a perspective that flatters subjects without the distortion associated with wider focal lengths.
Built to the Leica DG standard and carrying the prestigious Nocticron designation, this lens is positioned as one of the top-tier options available to Micro Four Thirds shooters. Its native Micro Four Thirds mount ensures seamless integration with compatible mirrorless camera bodies, allowing photographers to take full advantage of the system's electronic communication features. For anyone deeply invested in the Micro Four Thirds system who wants a dedicated fast prime at the 42.5mm focal length, this lens is a compelling option worth serious consideration.
Pros — Panasonic 42.5mm f/1.2 ASPH.
- ✓Wide f/1.2 maximum aperture offers significant creative flexibility for subject separation and low-light shooting
- ✓Native Micro Four Thirds mount ensures full compatibility with the wide range of MFT camera bodies
- ✓42.5mm focal length is well-suited to portrait and general-purpose photography
Cons — Panasonic 42.5mm f/1.2 ASPH.
- ✗Specifications data is limited, so buyers should research additional technical details independently before purchasing
- ✗As a fast prime, it lacks the compositional flexibility of a zoom lens at a similar price point
- ✗Exclusively compatible with Micro Four Thirds mount cameras, limiting use to that specific ecosystem
Reviews — Panasonic 42.5mm f/1.2 ASPH.
Videos — Panasonic 42.5mm f/1.2 ASPH.
A Look At The Panasonic Leica 42.5mm f1.2 Nocticron Micro Four Thirds lens — David Thorpe
Frequently Asked Questions — Panasonic 42.5mm f/1.2 ASPH.
What camera mount does this lens use?+
This lens uses the Micro Four Thirds mount. It is designed for mirrorless cameras built around the Micro Four Thirds standard.
Is this lens compatible with full-frame or APS-C cameras?+
No. Based on the specifications provided, this lens is designed exclusively for the Micro Four Thirds mount. It is not natively compatible with full-frame or APS-C mount systems.
What is the maximum aperture of this lens?+
The maximum aperture is f/1.2, which is among the widest available in the Micro Four Thirds lens lineup and allows for significant light gathering and shallow depth of field control.
Is this a zoom or a prime lens?+
This is a prime lens with a fixed focal length of 42.5mm. Prime lenses generally offer wider maximum apertures compared to zooms, and the f/1.2 aperture on this lens reflects that advantage.