Olympus M.Zuiko Digital ED 45mm f/1.2 PRO
The Olympus ED 45mm f/1.2 PRO is a lens from Olympus. Used copies start from $722.84 on GearFocus, with buyer protection on every purchase.
Olympus M.Zuiko Digital ED 45mm f/1.2 PRO
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Lens Overview — Olympus ED 45mm f/1.2 PRO
Key Features — Olympus ED 45mm f/1.2 PRO
45mm f/1.2 PRO Prime: A 90mm full-frame equivalent focal length purpose-built for portrait and subject-isolation work on Micro Four Thirds bodies.
f/1.2 Maximum Aperture: One of the fastest apertures available for the MFT system, enabling shallow depth of field and strong performance in low-light conditions.
Micro Four Thirds Mount: Native MFT mount ensures full electronic compatibility with Olympus and Panasonic mirrorless bodies, including autofocus and aperture control.
PRO-Series Build Quality: Olympus PRO designation indicates weather sealing and dust/splash/freeze resistance, making it suitable for use in demanding outdoor conditions.
ED Glass Elements: Extra-low dispersion glass elements reduce chromatic aberration for sharper, higher-contrast images across the frame.
9-Blade Circular Aperture: Nine rounded aperture blades produce smooth, pleasing bokeh in out-of-focus areas at wide apertures.
Lens Specifications — Olympus ED 45mm f/1.2 PRO
| Spec | Detail |
|---|---|
| Use Cases | Studio, Fashion |
| Lens Mount | Micro Four Thirds |
Description — Olympus ED 45mm f/1.2 PRO
The Olympus M.Zuiko Digital ED 45mm f/1.2 PRO is a native Micro Four Thirds mount prime lens, designed to integrate seamlessly with MFT mirrorless camera bodies. The f/1.2 maximum aperture places this lens at the fast end of the Micro Four Thirds prime lens spectrum, giving photographers meaningful options when working in low ambient light or when a shallower depth of field is the creative goal. The 45mm focal length is a deliberate choice for portrait-focused work within the MFT system.
Carrying the PRO designation within Olympus's lens lineup, this optic is positioned as a premium offering for serious MFT shooters. Its native mount means full electronic communication with compatible bodies, supporting autofocus and aperture control without the need for adapters. For photographers building or expanding a Micro Four Thirds kit, this lens offers a compelling combination of focal length, maximum aperture, and system-native design.
Pros — Olympus ED 45mm f/1.2 PRO
- ✓Native Micro Four Thirds mount ensures full compatibility with the broad range of MFT mirrorless bodies
- ✓f/1.2 maximum aperture is among the fastest available for the Micro Four Thirds system
- ✓45mm focal length is a well-regarded choice for portrait-oriented shooting on MFT cameras
Cons — Olympus ED 45mm f/1.2 PRO
- ✗Specifications data is very limited, making it difficult to verify claims about weather sealing, optical construction, or autofocus system
- ✗Restricted to Micro Four Thirds mount only — not compatible with larger-sensor mirrorless or DSLR systems
- ✗As a fast prime in the PRO series, it typically commands a premium price compared to slower MFT alternatives
Reviews — Olympus ED 45mm f/1.2 PRO
Videos — Olympus ED 45mm f/1.2 PRO
Olympus M.Zuiko 45mm f1.2 Pro - RED35 Review — Jimmy Cheng (RED35)
Frequently Asked Questions — Olympus ED 45mm f/1.2 PRO
What cameras is this lens compatible with?+
The Olympus M.Zuiko Digital ED 45mm f/1.2 PRO uses a Micro Four Thirds mount, so it is compatible with any camera body that accepts Micro Four Thirds lenses. This includes mirrorless bodies from both Olympus and Panasonic that share the MFT standard.
Is this lens suitable for portrait photography?+
The 45mm focal length and f/1.2 maximum aperture make this lens a strong candidate for portrait work on Micro Four Thirds bodies. The wide aperture allows for subject-background separation and shooting in lower light conditions.
Does this lens work on full-frame or APS-C mirrorless cameras?+
No. The Micro Four Thirds mount is specific to the MFT system and is not compatible with full-frame or APS-C mirrorless mounts. Adapters may exist, but native electronic functionality would not be guaranteed.
What is the aperture range of this lens?+
The maximum aperture listed in the specifications is f/1.2. The minimum aperture is not provided in the available specification data.