Upgrade your photography gear with the M42-PK M42 Thread Lens to PK Mount Metal Adapter Stepping Ring. This durable metal adapter offers seamless compatibility and enhanced functionality for your Pentax camera.

• Durable Construction: Crafted from high-quality metal, ensuring long-lasting use.
• Infinity Focus: Enables infinite focus, though auto focus is not supported.
• Ease of Use: Easily lock/release the lens and control aperture manually for a customized photography experience.
• Manual Control: Allows complete manual control over focus and exposure, empowering you to unleash your creativity.
• Compatible Models: Designed for Pentax K-3, K-30, K-50, K-5 II, K-5 IIs, K7, K-S1, K-r, K20D, K100D.