{"product_id":"m42-to-c-cs-mount-adapter-ring-macro-telescope-photography","title":"M42 to C\/CS Mount Adapter Ring – Macro \u0026 Telescope Use","description":"\n\u003ch2\u003eM42 to C\/CS Mount Adapter Ring for Macro \u0026amp; Astronomical Photography\u003c\/h2\u003e\n\u003cp\u003eUnlock new creative possibilities with this precision-machined \u003cstrong\u003eM42 to C\/CS Mount Adapter Ring\u003c\/strong\u003e. Designed for photographers and hobbyists alike, this compact aluminum alloy adapter lets you connect any \u003cstrong\u003eM42x0.75mm female thread lens or focusing barrel\u003c\/strong\u003e to a \u003cstrong\u003eC or CS port camera or device\u003c\/strong\u003e — instantly expanding your optical setup without complex modifications.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Compatibility:\u003c\/strong\u003e Seamlessly converts M42x0.75mm lenses and focusing barrels to C\/CS mount ports, giving your optical setup greater flexibility and creative range.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Aluminum Alloy Construction:\u003c\/strong\u003e Crafted from high-strength aluminum alloy for a sturdy, lightweight build that resists wear and rust — built to last through countless sessions in the field or studio.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized for Macro \u0026amp; Astrophotography:\u003c\/strong\u003e Ideal for capturing highly detailed close-up shots and astronomical subjects, opening up a whole new world of photographic opportunity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAnti-Reflective Inner Walls:\u003c\/strong\u003e Precision-machined interior surfaces minimize stray light, ensuring sharper, cleaner images with improved contrast and clarity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Travel-Friendly:\u003c\/strong\u003e Weighing just approximately 6g (0.2oz), it slips easily into any camera bag — perfect for on-the-go astrophotographers and macro enthusiasts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eItem Type:\u003c\/strong\u003e M42 to C\/CS Mount Adapter Ring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum Alloy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFemale Thread:\u003c\/strong\u003e M42 x 0.75mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMale Thread \/ Port:\u003c\/strong\u003e C \/ CS Mount\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 6g \/ 0.2oz\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × M42 to C\/CS Mount Adapter Ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eExplore More From Our Store\u003c\/h3\u003e\n\u003cp\u003eLooking for other precision tools and accessories? Check out our \u003ca href=\"\/products\/792leds-510k-l7-large-red-light-therapy-led-panel-infrared-light-pad-human-pet-full-body-use-massage-relaxation-660nm-850nm\"\u003e792LEDs L7 Large Red Light Therapy LED Panel\u003c\/a\u003e or browse our popular \u003ca href=\"\/products\/bincoo-3-valve-316-stainless-steel-moka-pot-single-dual-valve-option-home-outdoor-espresso-coffee-maker\"\u003eBincoo 316 Stainless Steel Moka Pot\u003c\/a\u003e for home and outdoor use.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the M42 to C\/CS mount adapter ring used for?\u003c\/h4\u003e\n\u003cp\u003eA: The M42 to C\/CS mount adapter ring is designed to connect M42x0.75mm female thread lenses or focusing barrels to C or CS mount camera ports. It is widely used in macro photography and astronomical\/telescope photography to expand compatibility between different optical systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this adapter ring compatible with both C mount and CS mount cameras?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the adapter features a C\/CS port male thread, making it compatible with both C mount and CS mount cameras and devices. Always verify your camera's flange depth when working with CS mount setups to ensure proper focus distance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Will the anti-reflective inner walls make a noticeable difference in image quality?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The precision-machined, anti-reflective inner walls are designed to absorb stray light that could otherwise cause flare or loss of contrast in your images. This is especially beneficial in macro and astrophotography where image clarity and detail are critical.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How heavy is this adapter ring, and will it add bulk to my setup?\u003c\/h4\u003e\n\u003cp\u003eA: The adapter weighs only approximately 6g (0.2oz), making it one of the lightest options available. Its compact, low-profile design adds virtually no bulk to your camera or telescope setup, keeping your kit travel-friendly and easy to handle.\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\": \"What is the M42 to C\/CS mount adapter ring used for?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The M42 to C\/CS mount adapter ring is designed to connect M42x0.75mm female thread lenses or focusing barrels to C or CS mount camera ports. 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