Specification Brand : Agatige BulletPoint1 : [High Quality Material] M42-PK adapter is made of high-quality copper, strong and durable, and has a long service life. M42 adapter ring comes with removal tools. Easy to install, remove and operate the lens smoothly. BulletPoint2 : [Compatibility] The lens adapter ring is used for M42 threaded lenses, for Pentax PK mount cameras. It can mount the lens to the camera body. In strict accordance with product production standards, professional manufacturing, fine workmanship. BulletPoint3 : [Manual focus] Full manual control, manual focus, manual exposure, aperture priority. Lightweight and portable, it is an excellent accessory for photographers. If you have any problem with our product please contact us. BulletPoint4 : [Good sealing] High precision processing, the mount has good sealing, no light leakage, the lens and the mount are combined tightly and smoothly, and the installation and removal of the lens is convenient and smooth. BulletPoint5 : [Quality Assurance] As a professional seller, we offer high quality products and thoughtful services. Each product must be strictly inspected to ensure reliable quality. Please rest assured to buy our products, I hope you have a pleasant shopping experience. Color : default ExternallyAssignedProductIdentifier : 7630050705216 ItemName : M42 to PK Lens Mount Adapter, Camera Adapter Ring M42-PK M42 for PK K Mount Adapter Ring Focus Infinity M42-PK Lens Mount Ring ItemPackageQuantity : 1 ItemTypeKeyword : camera-lens-adapters Manufacturer : Agatige PartNumber : Agatigeh2kyxa8mnu ProductDescription : Features: M42-PK adapter ring for M42 threaded lenses for camera With disassembly tool Made from quality copper For M42 threaded lenses for PK mount cameras Full manual control, manual focus, manual exposure, aperture priority