Finding reliable adapters to mount Pentax K PK lenses on Olympus or Panasonic Micro Four Thirds bodies expands your creative options without breaking the bank. The following hand-picked adapters are designed for manual operation, preserving image quality and build integrity while enabling you to use vintage or specialty Pentax glass on modern MFT cameras. This guide highlights features, compatibility, and practical considerations to help you choose.
| Product | Brand | Key Benefit |
|---|---|---|
| Haoge Manual Lens Mount Adapter | Haoge | Solid build; compatible with a wide range of Olympus bodies; manual focus and aperture control |
| PHOLSY PK To MFT Lens Adapter | PHOLSY | Durable aluminum design; broad camera compatibility; no electronics; infinity focus |
| Fotasy Pentax 110 To M4/3 Adapter | Fotasy | Specialized for Pentax Auto 110 lenses; broad MFT camera compatibility; infinity focus |
| K&F Concept PK To Micro 4/3 Adapter | K&F CONCEPT | Wide lens/body compatibility; solid construction; manual operation |
| Fotodiox Pro OM-PK Adapter | Fotodiox | Premium pro-grade with “No Play”; reliable infinity focus |
Haoge Manual Lens Mount Adapter For Pentax K PK To Olympus/MFT

The Haoge adapter enables mounting Pentax K PK lenses to Olympus and Panasonic Micro Four Thirds cameras, expanding the use of vintage glass on E-M1, E-M1 II, E-M5, E-M10 series, PEN models, and related bodies. It provides a mechanical interface that preserves manual control while keeping light weight and durability. Expect full compatibility with a broad set of Pentax K lenses and a secure mount for extended shoots. The design focuses on straightforward operation without electronics, emphasizing optical integrity.
PHOLSY PK To MFT Lens Adapter For Pentax PK Mount

The PHOLSY PK to MFT adapter emphasizes durability with an aviation-grade aluminum exterior and a robust interior. It supports infinity focus and keeps all electronic contacts out, ensuring a pure manual experience. This adapter is designed to fit a wide range of Olympus and Panasonic MFT bodies, delivering reliable mechanical mounting and a clean aesthetic that matches many camera lines. Expect precise fit, no autofocus, and preserved lens image quality with manual exposure control.
Fotasy Pentax 110 Auto Lens To M4/3 Adapter

The Fotasy Pentax 110 Auto Lens to M4/3 adapter is specifically designed to mount Pentax 110 lenses on Micro Four Thirds cameras, including popular Olympus and Panasonic bodies. It guarantees infinity focus and broad compatibility with many MFT models. The adapter is intended for manual operation, ensuring consistent exposure control and optical performance without electronic integration. It is a practical choice for retro glass lovers seeking a simple, reliable interface.
AMOPOFO PK To MFT Lens Adapter

The AMOPOFO PK Mount to Micro Four Thirds adapter provides a robust, full-manual experience with a focus on maintaining image quality. It supports a wide array of Pentax K PK lenses on Micro Four Thirds cameras and emphasizes a secure, snug fit with a durable exterior. The design highlights solid construction and straightforward, non-electronic operation, enabling precise manual control in a compact form factor suitable for travel or fieldwork.
Fotodiox Lens Mount Adapter PK To Olympus 4/3

The Fotodiox PK to Olympus 4/3 adapter delivers a sturdy all-metal build with a smooth mounting surface, facilitating easy attachment of Pentax K lenses to Olympus 4/3 bodies. Infinity focus is supported, making it a reliable option for a range of Olympus cameras. This adapter emphasizes durability and a simple mechanical interface, suitable for photographers prioritizing simplicity and longevity.
K&F Concept PK To Micro 4/3 Adapter

The K&F Concept PK To Micro 4/3 adapter is designed to enable Pentax K/pk lenses on Micro Four Thirds bodies, including Olympus and various Panasonic cameras. It supports manual focus and manual exposure, with a solid aluminum construction and a coating designed to resist wear. The adapter aims to provide compatibility across a wide range of cameras while preserving the optical characteristics of adapted lenses. It is a practical option for shooters who value versatility and durability.
Fotodiox Pro Lens Mount Adapter OM-PK Pro

The Fotodiox Pro OM-PK adapter targets Olympus Zuiko lenses to Pentax K bodies, offering a professional-grade interface with a “No Play” design and infinity focus guarantees. This option is suitable for users who want robust mechanical security and precise alignment between legacy lenses and newer camera bodies, with an emphasis on optical consistency and reliable field performance.
Buying Guide: Key Considerations For Pentax K To Micro Four Thirds Adapters
- Compatibility: Ensure the adapter lists your specific Pentax K lens and your Micro Four Thirds camera model. Some adapters explicitly mention Olympus, OM-D, PEN, or Panasonic lines.
- Mechanical vs. Electronic: All listed adapters are manual-control only with no electrical contacts. If you require autofocus or electronic aperture control, these adapters will not meet that need.
- Infinity Focus: Confirm infinity focus is guaranteed for your lens and camera pairing to avoid close-up-only performance.
- Build Material: Aluminum and magnesium alloys are common for durability. Check for a precise fit and a tight mount to prevent wobble during shooting.
- Design and Aesthetics: Some adapters feature streamlined exteriors and tooth designs that match camera bodies. Consider how the adapter feels in hand and how it sits when shooting at unusual angles.
- Weight and Size: Lightweight adapters help preserve balance, especially on compact MFT bodies. Heavier options may affect handling with longer Pentax lenses.
- Maintenance: All-metal, non-electronic adapters tolerate regular use; look for coatings that resist corrosion and wear to extend life in field conditions.
- Lens Compatibility: Pentax K PK glass varies in flange distance. Verify the adapter supports the full range of lenses you own, including manual focus operation across focal lengths.
- Price vs. Value: While prices aren’t listed here, compare build quality, warranty, and customer reviews to determine value for money, especially when using vintage glass.
- Practical Use: If you frequently switch lenses, consider an adapter with easy removal and secure locking to speed up your workflow in the field.