{"product_id":"jupiter-8-50mm-f-2-black-lens-m39-ltm-tested","title":"Jupiter-8 50mm f\/2 Black Lens (M39 LTM) - [Tested]","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eDiscover the beauty of the classic Sonnar optical formula with the legendary \u003cstrong\u003eJupiter-8 50mm f\/2\u003c\/strong\u003e. Originally designed as a Soviet clone of the famed Carl Zeiss Sonnar, this black-barrel version is a beloved classic in the vintage lens community. Built for M39 (L39 \/ LTM) rangefinder cameras, it is celebrated for its glorious center sharpness, smooth focus fall-off, and cinematic, painterly bokeh.\u003c\/p\u003e\n\n\u003cp\u003eWeighing in at a mere 134 grams, this is the ultimate ultralight standard prime. It’s a perfect companion for street photography, portraits, and everyday carry on modern mirrorless systems, giving your digital images that distinct, organic vintage character.\u003c\/p\u003e\n\n\u003ch3\u003eWhy This Specific Lens Stands Out:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e• The Sonnar Magic:\u003c\/strong\u003e Delivers the coveted 3D-pop, rich contrast, and buttery-smooth background blur that the Sonnar optical design is famous for.\u003cbr\u003e\n\u003cstrong\u003e• Ultralight \u0026amp; Compact:\u003c\/strong\u003e At just 134g, it essentially functions as a pancake lens on modern mirrorless cameras, making it incredibly portable.\u003cbr\u003e\n\u003cstrong\u003e• Rangefinder Heritage:\u003c\/strong\u003e Designed for rangefinders, offering a highly tactile and purely manual shooting experience.\u003cbr\u003e\n\u003cstrong\u003e• Ideal Collector's Condition:\u003c\/strong\u003e Preserved in stunning cosmetic shape and comes complete with its original vintage storage case.\u003c\/p\u003e\n\n\u003ch3\u003eCompatibility (Mirrorless \u0026amp; Rangefinder Cameras)\u003c\/h3\u003e\n\u003cp\u003eBecause this is an M39 (LTM) rangefinder lens, it has a short flange focal distance. Please note the compatibility below:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e• Mirrorless Cameras:\u003c\/strong\u003e Works flawlessly with true infinity focus on all modern mirrorless systems (Sony E, Fujifilm X, Canon RF, Nikon Z, Leica L, and Micro Four Thirds) via a simple M39\/L39 adapter.\u003cbr\u003e\n\u003cstrong\u003e• Leica M \/ Rangefinders:\u003c\/strong\u003e Can be used perfectly on Leica M digital and analog rangefinders using an M39-to-Leica M adapter ring.\u003cbr\u003e\n\u003cstrong\u003e• DSLR Cameras:\u003c\/strong\u003e \u003cem\u003eNot recommended for DSLRs (like Canon EF or Nikon F) unless used strictly for macro\/close-up photography, as it will not achieve infinity focus due to the short flange distance.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e• Focal Length:\u003c\/strong\u003e 50mm\u003cbr\u003e\n\u003cstrong\u003e• Aperture Range:\u003c\/strong\u003e f\/2.0 – f\/22\u003cbr\u003e\n\u003cstrong\u003e• Lens Mount:\u003c\/strong\u003e M39 \/ LTM (Leica Thread Mount)\u003cbr\u003e\n\u003cstrong\u003e• Optical Design:\u003c\/strong\u003e 6 elements in 3 groups (Sonnar formula)\u003cbr\u003e\n\u003cstrong\u003e• Aperture Blades:\u003c\/strong\u003e 9\u003cbr\u003e\n\u003cstrong\u003e• Filter Diameter:\u003c\/strong\u003e 40.5mm\u003cbr\u003e\n\u003cstrong\u003e• Weight:\u003c\/strong\u003e 134 g\u003cbr\u003e\n\u003cstrong\u003e• Manufacturer:\u003c\/strong\u003e KMZ (Krasnogorsk Mechanical Plant), USSR\u003cbr\u003e\n\u003cstrong\u003e• Focus Type:\u003c\/strong\u003e Manual Focus Only\u003c\/p\u003e\n\n\u003ch3\u003eCondition Report\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e• Optics:\u003c\/strong\u003e Ideal \/ Mint condition. The glass elements are clean and clear. No fungus, no scratches, no separation, and no haze. \u003cem\u003eNote: As with any vintage lens, minor internal micro-dust particles may be visible under harsh light, which is completely normal and has zero impact on image quality.\u003c\/em\u003e\u003cbr\u003e\n\u003cstrong\u003e• Mechanics:\u003c\/strong\u003e Fully tested and in excellent working order. The manual focus ring turns smoothly. The aperture ring adjusts properly. \u003cem\u003eNote: There are micro traces of oil on the aperture blades. Since this is a fully manual clickless preset lens, this is purely cosmetic, standard for Soviet rangefinder lenses, and does not affect operation or performance in any way.\u003c\/em\u003e\u003cbr\u003e\n\u003cstrong\u003e• Cosmetics:\u003c\/strong\u003e Ideal vintage condition. The black barrel is beautifully preserved with minimal signs of use.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: All photos shown in this listing are actual high-resolution images of the specific lens you will receive.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s Included in the Box:\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e1.\u003c\/strong\u003e Jupiter-8 50mm f\/2 Lens (Black, M39 Mount)\u003cbr\u003e\n\u003cstrong\u003e2.\u003c\/strong\u003e Original Vintage Hard Case\u003cbr\u003e\n\u003cstrong\u003e3.\u003c\/strong\u003e Front Lens Cap\u003cbr\u003e\n\u003cstrong\u003e4.\u003c\/strong\u003e Rear Lens Cap\u003c\/p\u003e","brand":"HelicoidPrime","offers":[{"title":"Default Title","offer_id":45343512494149,"sku":"JUP8-50-M39-BLK","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/4665\/0949\/files\/photo_2026-07-1204.41.39.jpg?v=1783947747","url":"https:\/\/helicoidprime.myshopify.com\/products\/jupiter-8-50mm-f-2-black-lens-m39-ltm-tested","provider":"HelicoidPrime","version":"1.0","type":"link"}