M42-PK M42 Thread Lens to PK Mount Metal Adapter Stepping Ring

The M42-PK M42 Thread Lens to PK Mount Metal Adapter Stepping Ring is a stepping ring designed for use with specific Pentax cameras. It allows manual control for focus and exposure.

• Product type: Stepping Ring
• Compatibility: Pentax K-3, K-30, K-50, K-5 II, K-5 IIs, K7, K-S1, K-r, K20D, K100D
• Material: Metal
• Key feature: Manual control for focus and exposure
• Intended use: Everyday use
• Durable metal construction
• Infinite focus capability; auto focus not available
• Lens locking and releasing mechanism with screw adjustment
• Manual aperture control
• Completely manual focus and exposure control