Best Pentax to Olympus Lens Adapters for Micro Four Thirds
Answering the question: these Pentax PK to Micro Four Thirds adapters let you mount Pentax K-mount lenses on Micro Four Thirds bodies such as Olympus and Panasonic cameras. They’re best for budget-conscious enthusiasts who want to reuse classic Pentax glass or experiment with manual control. The top options below are chosen for durability, compatibility range, and straightforward operation for non-electronic, manual-focus use. The following table compares the five selected adapters at a glance.
| Adapter | Mount Type | Best For | Notes |
|---|---|---|---|
| Fotasy PK to MFT | PK to MFT | Vintage Pentax lenses with solid build | Infinity focus guaranteed |
| PHOLSY PK to MFT | PK to MFT | Broad Olympus/Panasonic compatibility | No electronics; manual focus |
| K&F Concept PK to Micro 4/3 | PK to M4/3 | Wide camera compatibility (Olympus and Panasonic) | Manual exposure control on many lenses |
| Fotga PK to M4/3 | PK to M4/3 | Solid metal build for general use | Infinity focus supported |
| Haoge PK to MFT | PK to MFT | Easy mounting and durable design | Manual focus only |
Disclaimer: all listed adapters provide manual operation in most cases. They do not enable electronic communication between lens and camera in most configurations. Always verify infinity focus on your specific lens/camera combo during setup.
Fotasy PK Lens to MFT Adapter
This Fotasy adapter converts Pentax PK mount lenses to Micro Four Thirds bodies. It uses a copper lens mount for durability and aims to preserve infinity focus. It’s best for photographers who want a sturdy, metal construction with simple, push-in mounting and reliable fit for landscape or studio work. It’s primarily suited for non-electronic Pentax glass on MFT bodies like Olympus and Panasonic cameras. Best for: budget-conscious shooters who value solidity and consistent mounting. Caution: manual focus and exposure adjustments are often required, depending on the lens.
PHOLSY PK to MFT Adapter
PHOLSY offers broad compatibility with many Olympus and Panasonic bodies in addition to a wide range of Pentax PK lenses. It emphasizes “no loss of image quality or speed” by maintaining simple, solid construction and allowing infinity focus. It’s better for users who want a proven, durable exterior and a straightforward, fully manual experience. Best for: photographers who own multiple brands’ lenses and want one adapter that covers many camera bodies. Limitation: no electronic contacts means no autofocus or aperture control from the camera.
K&F Concept PK to Micro 4/3 Adapter
This K&F Concept adapter enables Pentax K/PK lenses on Micro Four Thirds bodies. It supports a wide range of Olympus and Panasonic cameras. It is a practical choice for those who want a compact, reliable mount with broad camera compatibility. Best for: value-driven buyers seeking universal compatibility for many Olympus and Panasonic bodies. Caution: functions like autofocus are not supported if the attached lens lacks an aperture ring and the adapter does not supply electronic communication.
Fotga PK to M4/3 Mount Adapter
Fotga’s adapter is a simple, reliable option for Pentax PK lenses on Micro Four Thirds cameras such as Olympus and Panasonic models. It specifies infinity focus and uses an anodized aluminum build. Best for: shooters who want a lightweight, affordable option with universal MFT compatibility. Limitation: some users report tighter tolerances with certain lenses, so test fit and focus carefully with each lens.
K&F Concept Manual PK to Micro Four Thirds Adapter
Designed as a manual lens adapter, this option includes an aperture control ring when mounted to compatible Pentax DA and PK lenses. It supports infinity focus and explicitly limits auto-diaphragm or autofocus, providing precise, tactile control. Best for: photographers who want direct aperture adjustment from the adapter and are comfortable with manual focusing. Caution: not compatible with all lenses’ electronic features; confirm lens compatibility before purchasing.
Haoge Manual PK to MFT Adapter
Haoge’s manual adapter for Pentax K PK lenses to Olympus/Panasonic Micro Four Thirds bodies emphasizes a simple, durable build. It supports a broad range of Olympus cameras and provides infinity focus. Best for: users who want a straightforward, sturdy adapter with broad camera compatibility. Limitation: no electronic connection means no autofocus or electronic aperture control; rely on manual lens adjustments.
Buying Guide
What should you consider when choosing a Pentax PK to Micro Four Thirds adapter?
- Mechanical compatibility: Ensure the adapter physically fits your Pentax PK lens and your Micro Four Thirds body. Check flange distance and the lens’s ability to reach infinity with your camera and lens combination.
- Manual operation: Most adapters offer manual focus and manual aperture control. If your lens lacks an aperture ring, some adapters provide practical ways to adjust exposure.
- Build quality: Durable metal adapters with precision fit reduce wobble and alignment issues. Aviation-grade aluminum or similar materials generally offer solid performance.
- Camera compatibility: Some adapters list broad support for multiple Olympus and Panasonic models. If you own several bodies, choose one with wide compatibility to maximize use.
- Aim and use case: For landscape and studio shooters, infinity focus and robust build are priority. For action or dynamic subjects, prioritize adapters with reliable mounting and minimal lag in manual operation.
Frequently Asked Questions
- Can I use autofocus with these adapters?
No, most adapters in this category are manual-only. You must focus manually and control exposure settings on the lens or camera as applicable.
- Will infinity focus be preserved with all Pentax lenses?
Infinity focus is advertised by several adapters, but results depend on the lens and body combination. Test each lens to confirm.
- Do these adapters affect image quality?
Adapters themselves typically do not degrade image quality; however, non-electronic, manual operation means no electronic corrections or autofocus, which can impact perceived sharpness if not used carefully.
- Are there any compatibility limitations with specific Olympus or Panasonic models?
Some adapters emphasize compatibility with a broad set of bodies, but it’s wise to verify against your exact camera model for mount fit and clearance.
- Is electronic aperture control possible with older Pentax lenses?
Some adapters offer aperture control via the mount, but most older PK lenses without electronic contacts will not communicate aperture data to the camera; you’ll adjust manually.