{"product_id":"m42-macro-focusing-helicoid-tube-adapter","title":"M42 Macro Focusing Helicoid Tube Adapter","description":"\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003ePixco Adjustable Focusing Helicoid Macro Tube for M42 Mount Lens \u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eDescription:\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eThis all-metal adjustable helicoid macro tube is designed for M42 screw-mount lenses. Featuring a built-in precision focusing barrel,. This design not only enables precise manual focusing for specialty lenses lacking a focus ring (such as cine, industrial, or enlarger lenses) but also functions as a macro extension tube. It is a versatile tool for achieving fine focus and magnification control from close-up to working distance.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eKey Features \u0026amp; Characteristics:\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e1.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e A single rotation allows for fine focus adjustment or magnification change, ideal for professional lenses without a focus ring.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e2.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eDual Application: As an adjustable focus adapter, it solves the focusing challenge for specialty lenses (e.g., cine lenses, enlarger lenses, industrial lenses). As a macro extension tube, it significantly reduces the minimum focusing distance for high-magnification macro photography.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e3.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eAluminum Precision Construction: Crafted from precision-machined aluminum with an anodized finish, offering a balance of lightweight strength, ensuring smooth focusing action, precise positioning, and a stable, wobble-free connection.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e4.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eFully Manual \u0026amp; Mechanical Operation: This is a purely mechanical unit with no electronic contacts. All automatic functions (auto aperture, autofocus) are disabled. Aperture and focus must be controlled manually.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e5.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eStandard M42 Mount Compatibility: Compatible with standard M42×1 screw-mount (1mm pitch) lenses. Suitable for a wide array of manual, cine, industrial, and enlarger lenses utilizing the M42 mount.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eImportant Usage Notes:\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e1.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eCore Functionality: This tube alters the optical flange distance via physical extension to enable manual focusing and macro capabilities. All exposure parameters must be set manually.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e2.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eOperation: Focus (or magnification change) is achieved by rotating the helicoid barrel of this tube. Aperture must be controlled manually via the lens's own aperture ring or preset method.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eCompatibility Information:\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e1.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eMount Specification: Standard M42×1 screw mount (1mm pitch).\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: Calibri;\"\u003e2.\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003eTypical Equipment: Various lenses utilizing the M42 screw mount. This is a lens-to-lens component and does not specify camera body models.\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eMount Specification: M42×1 Screw Mount (same on both ends, 1mm pitch)\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eOperation: Fully Manual \u0026amp; Mechanical\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eMaterial: Aluminum Alloy, Anodized Finish\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003ePackage Includes\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cspan\u003eM42 Adjustable Focusing Helicoid Macro Tube × 1\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Pixco","offers":[{"title":"10-13.5mm","offer_id":44657913036883,"sku":"080123","price":48.96,"currency_code":"USD","in_stock":true},{"title":"12-19mm","offer_id":44657913069651,"sku":"080106","price":31.7,"currency_code":"USD","in_stock":true},{"title":"13-22mm","offer_id":44657913102419,"sku":"080113","price":47.86,"currency_code":"USD","in_stock":false},{"title":"17-31mm","offer_id":44657913135187,"sku":"080085","price":34.39,"currency_code":"USD","in_stock":true},{"title":"25-55mm","offer_id":44657913167955,"sku":"080105","price":37.74,"currency_code":"USD","in_stock":true},{"title":"35-90mm","offer_id":44657913200723,"sku":"080084","price":42.68,"currency_code":"USD","in_stock":true},{"title":"15-27mm","offer_id":44657913233491,"sku":"080111","price":56.34,"currency_code":"USD","in_stock":true},{"title":"22-42mm","offer_id":44657913266259,"sku":"080125","price":76.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9660\/0881\/files\/IMG_8131_1.png?v=1779696960","url":"https:\/\/pixco.com.cn\/products\/m42-macro-focusing-helicoid-tube-adapter","provider":"Pixco - Provide Professional Photographic Equipment Accessories","version":"1.0","type":"link"}