{"product_id":"m42-to-pentax-pk-k-mount-lens-adapter-ring-copper","title":"M42 to Pentax PK K Mount Lens Adapter Ring – Copper","description":"\n\u003ch2\u003eM42 to Pentax PK K Mount Lens Adapter Ring\u003c\/h2\u003e\n\u003cp\u003eBreathe new life into your vintage M42 screw-mount lenses by attaching them to your Pentax PK \/ K mount camera body. This precision-machined copper adapter ring lets you mount any M42 threaded lens onto compatible Pentax cameras, unlocking a world of classic optics with full manual control — including manual focus, manual exposure, and aperture priority shooting.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal M42 Compatibility:\u003c\/strong\u003e Fits all standard M42 (42mm screw thread) lenses onto Pentax PK \/ K mount camera bodies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Copper Construction:\u003c\/strong\u003e Machined from quality copper for a secure, precise fit and long-lasting durability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInfinity Focus Support:\u003c\/strong\u003e Supports focus to infinity so you can shoot landscapes and architecture without compromise.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Manual Control:\u003c\/strong\u003e Enables manual focus, manual exposure, and aperture priority for creative freedom.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Compact:\u003c\/strong\u003e Weighs only approximately 28g — virtually no added bulk to your camera kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncludes Disassembly Tool:\u003c\/strong\u003e Comes with a tool to assist with fitting and removal.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e M42 screw-mount lenses → Pentax PK \/ K mount camera bodies\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Copper\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Silver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 28g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × M42 to Pentax PK K Mount Adapter Ring\u003c\/li\u003e\n  \u003cli\u003e1 × Disassembly Tool\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eExplore More from Our Store\u003c\/h3\u003e\n\u003cp\u003eLooking for other photography and creative accessories? Check out these popular items:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bincoo-coffee-share-pot-pour-over-coffee-dripper-set-500ml-glass-server-v01-funnel-drip-maker-brew-cup-coffee-sharing-pots-set\"\u003eBincoo Coffee Share Pot Pour Over Coffee Dripper Set\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3d-sleep-mask-soft-breathable-light-blocking-eye-mask\"\u003e3D Sleep Mask – Soft Breathable Light-Blocking Eye Mask\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Which Pentax cameras are compatible with this M42 to PK adapter ring?\u003c\/h4\u003e\n\u003cp\u003eA: This adapter ring is compatible with all Pentax cameras that use the PK \/ K bayonet mount, including Pentax K-series film cameras and digital SLRs such as the Pentax K-1, K-3, K-70, K-50, and many others. Always verify your specific camera model uses the Pentax PK \/ K mount before purchasing.\u003c\/p\u003e\n\u003ch4\u003eQ: Will this adapter support autofocus?\u003c\/h4\u003e\n\u003cp\u003eA: No — because M42 lenses are manual-focus optics, this adapter supports full manual control only: manual focus, manual exposure, and aperture priority. Autofocus and automatic exposure are not available when using this adapter.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I achieve infinity focus with this M42 to Pentax PK adapter?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This adapter is designed to support focus to infinity, making it suitable for a wide range of photography including landscapes, portraits, and street photography with your vintage M42 lenses.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the adapter ring durable enough for regular use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The adapter is machined from quality copper, providing a sturdy, precise fit between lens and camera body. Its lightweight design (approx. 28g) ensures it adds minimal bulk while maintaining a secure connection during shooting.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Which Pentax cameras are compatible with this M42 to PK adapter ring?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This adapter ring is compatible with all Pentax cameras that use the PK \/ K bayonet mount, including Pentax K-series film cameras and digital SLRs such as the Pentax K-1, K-3, K-70, K-50, and many others. Always verify your specific camera model uses the Pentax PK \/ K mount before purchasing.\"}}, {\"@type\": \"Question\", \"name\": \"Will this adapter support autofocus?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — because M42 lenses are manual-focus optics, this adapter supports full manual control only: manual focus, manual exposure, and aperture priority. Autofocus and automatic exposure are not available when using this adapter.\"}}, {\"@type\": \"Question\", \"name\": \"Can I achieve infinity focus with this M42 to Pentax PK adapter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This adapter is designed to support focus to infinity, making it suitable for a wide range of photography including landscapes, portraits, and street photography with your vintage M42 lenses.\"}}, {\"@type\": \"Question\", \"name\": \"Is the adapter ring durable enough for regular use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The adapter is machined from quality copper, providing a sturdy, precise fit between lens and camera body. 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