{"product_id":"yashica-autoyashinon-ds-20mm-f-3-3-m42-lens-tested-working-excellent","title":"Yashica AutoYashinon-DS 20mm f\/3.3 M42 Lens – Serviced – Excellent","description":"\u003cdiv class=\"markdown markdown-main-panel md-content enable-luminous-fast-follows enable-updated-hr-color tutor-markdown-rendering\" id=\"model-response-message-contentr_523a6ca8c153a689\" dir=\"ltr\"\u003e\n\u003cdiv\u003e\u003cb\u003eTitle\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003eYashica Auto Yashinon DS 20mm f3.3 Ultra Wide Lens M42 Serviced Excellent\u003c\/div\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\u003cb\u003eDescription\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe Yashica Auto Yashinon-DS 20mm f\/3.3 is an exceptionally rare, high-performance ultra-wide-angle manual focus prime lens utilizing the universal M42 screw mount. Manufactured in Japan by Yashica (Tomioka), it features advanced optical design for its era, delivering an expansive field of view with excellent contrast and low distortion. Fitted with the Auto-DS mechanism for automatic diaphragm operation on compatible M42 bodies, it is built with heavy-duty, all-metal precision construction. Serviced in September 2026, this lens offers smooth mechanics and pristine optics for vintage 35mm SLR film photography or for adapting to modern full-frame mirrorless digital camera systems.\u003c\/div\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\u003cb\u003eCondition\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003eOverall Condition: Excellent\u003c\/div\u003e\n\u003cdiv\u003eOptics are fungus and haze free. Lens was professionally stripped, cleaned, and reassembled in September 2026. Lens barrel shows minimal cosmetic wear. Focus ring turns smoothly and evenly with fresh grease, and aperture blades are completely oil-free, clean, and snappy. Auto\/Manual switch operates correctly. Shutter speeds and light meter vary appropriately. Fully tested and working.\u003c\/div\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\u003cb\u003eIncluded\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003eYashica Auto Yashinon-DS 20mm f\/3.3 M42 Mount Lens\u003c\/div\u003e\n\u003cdiv\u003eFront Lens Cap\u003c\/div\u003e\n\u003cdiv\u003eRear M42 Lens Cap\u003c\/div\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/div\u003e\n\u003cbr\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cdiv\u003eUltra-wide 20mm focal length for dramatic landscape, architectural, and interior photography\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eFast f\/3.3 maximum aperture for an ultra-wide vintage prime\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eUniversal M42 screw mount interface for broad film SLR and mirrorless adapter compatibility\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eProfessionally stripped, cleaned, and lubricated (September 2026)\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eSolid, heavy-duty all-metal Japanese precision construction\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv\u003eAuto\/Manual aperture selector switch\u003c\/div\u003e\n\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cb\u003eCollector's Notes\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003eThe 20mm f\/3.3 Auto Yashinon-DS is one of the rarest and hardest-to-find ultra-wide prime lenses in the entire M42 mount ecosystem. Produced in limited numbers by Tomioka\/Yashica, its distinctive front element curvature and expansive rendering make it a crown jewel for M42 collectors and vintage glass enthusiasts. Finding an Excellent example that has been fully stripped, cleaned, and serviced makes this a standout, investment-grade acquisition.\u003c\/div\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\u003cb\u003eKeywords\u003c\/b\u003e\u003c\/div\u003e\n\u003cdiv\u003eYashica Auto Yashinon DS 20mm f33, Rare M42 Ultra Wide Lens, Tomioka 20mm M42, Vintage Yashica Screw Mount, Serviced Vintage Lens, M42 Wide Angle Prime, Adapted Mirrorless Ultra Wide\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Yashica","offers":[{"title":"Default Title","offer_id":55473046323542,"sku":null,"price":395.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0875\/5213\/1414\/files\/IMGP1693_c865c0cd-657b-4eb0-9118-cff164be3693.jpg?v=1790179488","url":"https:\/\/colinscameras.co.uk\/products\/yashica-autoyashinon-ds-20mm-f-3-3-m42-lens-tested-working-excellent","provider":"Colins Cameras","version":"1.0","type":"link"}