{"product_id":"helios-2-teleconverter-m42-mount-vintage-manual-focus-tested-vgc","title":"Helios 2× Teleconverter – M42 Mount – Vintage Manual Focus – Tested – VGC","description":"\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003eDESCRIPTION\u003c\/h2\u003e\n\u003cp\u003eHelios \u003cstrong\u003e2× Teleconverter\u003c\/strong\u003e for the classic \u003cstrong\u003eM42 mount\u003c\/strong\u003e, presented in \u003cstrong\u003eVery Good Condition\u003c\/strong\u003e and fully \u003cstrong\u003etested and working\u003c\/strong\u003e. This vintage 2× converter doubles the focal length of any compatible M42 lens while retaining full manual‑focus operation and mechanical aperture coupling. A solid, metal‑bodied accessory ideal for experimentation, vintage telephoto work and collectors of Soviet‑era optics.\u003c\/p\u003e\n\u003ch2\u003eCONDITION\u003c\/h2\u003e\n\u003cp\u003eOverall Condition: Very Good\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eConverter fully tested and working\u003c\/li\u003e\n\u003cli\u003eMounts clean and secure\u003c\/li\u003e\n\u003cli\u003eAperture linkage smooth and accurate\u003c\/li\u003e\n\u003cli\u003eExterior shows light cosmetic wear only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eINCLUDED\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHelios 2× Teleconverter – M42 Mount\u003c\/li\u003e\n\u003cli\u003eFront and rear caps \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKEY FEATURES\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2× magnification for extended telephoto reach\u003c\/li\u003e\n\u003cli\u003eFully mechanical, manual‑focus design\u003c\/li\u003e\n\u003cli\u003eMetal construction typical of Helios accessories\u003c\/li\u003e\n\u003cli\u003eCompact and lightweight\u003c\/li\u003e\n\u003cli\u003eSuitable for film and adapted digital systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCOMPATIBILITY\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAll M42‑mount lenses (Helios, Takumar, Pentacon, CZJ, Chinon, etc.)\u003c\/li\u003e\n\u003cli\u003eM42‑mount film bodies (Pentax Spotmatic, Praktica, Fujica, Zenit, etc.)\u003c\/li\u003e\n\u003cli\u003eAdapted digital systems supporting manual focus\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCOLLECTORS NOTES\u003c\/h2\u003e\n\u003cp\u003eHelios teleconverters are appreciated for their robust build and distinctive vintage rendering. The 2× model is the most commonly used variant, offering a practical balance between reach and usability for M42 shooters and collectors.\u003c\/p\u003e\n\u003ch2\u003eSEO KEYWORDS\u003c\/h2\u003e\n\u003cp\u003eHelios 2× teleconverter, M42 teleconverter, vintage M42 accessory, Helios converter, 2× M42 lens extender UK\u003c\/p\u003e","brand":"Helios","offers":[{"title":"Default Title","offer_id":55390974574934,"sku":null,"price":7.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0875\/5213\/1414\/files\/IMGP0743_3335ad56-0931-4f6b-85a3-fa53e2056c42.jpg?v=1789554586","url":"https:\/\/colinscameras.co.uk\/products\/helios-2-teleconverter-m42-mount-vintage-manual-focus-tested-vgc","provider":"Colins Cameras","version":"1.0","type":"link"}