Mitakon Zhongyi 42.5mm f/1.2 Prime Lens
The Mitakon Zhongyi 42.5mm f/1.2 is a 42.5mm f/1.2 lens designed for Micro Four Thirds mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Mitakon Zhongyi 42.5mm f/1.2 Prime Lens
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Lens Overview — Mitakon Zhongyi 42.5mm f/1.2
Key Features — Mitakon Zhongyi 42.5mm f/1.2
f/1.2 Maximum Aperture: Exceptionally wide aperture allows for shallow depth of field and effective shooting in low-light conditions without raising ISO excessively.
85mm Full-Frame Equivalent: The 42.5mm focal length on a Micro Four Thirds body gives an 85mm equivalent field of view, well-suited for portrait and everyday photography.
Micro Four Thirds Mount: Dedicated MFT mount ensures full mechanical compatibility with Panasonic and Olympus mirrorless camera bodies.
Manual Focus Only: Fully manual focus design gives photographers direct, tactile control over focus placement — particularly useful for portrait and deliberate compositional work.
Compact 310g Build: At 310g, the lens adds minimal bulk to a mirrorless system while still offering a solid, substantial feel in hand.
49mm Filter Thread: Small filter thread size keeps the cost of compatible ND, UV, and polarizing filters relatively low.
Lens Specifications — Mitakon Zhongyi 42.5mm f/1.2
| Spec | Detail |
|---|---|
| Use Cases | Studio, Travel |
| Lens Type | Prime |
| Format | Micro Four Thirds (MFT) |
| Zoom/Prime | Prime |
| Focal Length | 42.5mm |
| Maximum Aperture | f/1.2 |
| Camera System | Mirrorless |
| Lens Mount | Micro Four Thirds |
| Autofocus | No |
| Focus Type | Manual |
| Image Stabilization | None |
| Filter Thread | 49mm |
Description — Mitakon Zhongyi 42.5mm f/1.2
The Mitakon Zhongyi 42.5mm f/1.2 is a prime lens built specifically for Micro Four Thirds mirrorless camera systems. Its standout feature is the f/1.2 maximum aperture, which allows photographers to work with a very shallow depth of field and maintain exposure flexibility across different lighting situations. Sitting in the standard focal length range at 42.5mm, this lens is well suited to a variety of everyday shooting scenarios on MFT bodies.
The lens is entirely manual focus, placing full control of the focusing process in the shooter's hands — a characteristic that suits deliberate, considered shooting styles. It accepts 49mm filters, keeping the cost of accessories in check, and weighs a practical 310 grams, making it a portable companion for mirrorless shooters. Image stabilization is not included, so users should factor in their camera body's stabilization capabilities when shooting in low light or at slower shutter speeds. This is a straightforward, fast prime for MFT photographers who value aperture performance and hands-on focus control.
Pros — Mitakon Zhongyi 42.5mm f/1.2
- ✓Fast f/1.2 maximum aperture offers strong depth-of-field control
- ✓Dedicated Micro Four Thirds mount ensures native system compatibility
- ✓Compact 49mm filter thread keeps filter accessories affordable
Cons — Mitakon Zhongyi 42.5mm f/1.2
- ✗Manual focus only — no autofocus support, which may slow down fast-paced shooting
- ✗No image stabilization, requiring reliance on in-body stabilization if available
- ✗Limited to Micro Four Thirds mount with no compatibility with other systems
