Jupiter-8 50mm f/2 Black Lens (M39 LTM) - [Tested]

Overview

Discover the beauty of the classic Sonnar optical formula with the legendary Jupiter-8 50mm f/2. 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.

Weighing 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.

Why This Specific Lens Stands Out:

• The Sonnar Magic: Delivers the coveted 3D-pop, rich contrast, and buttery-smooth background blur that the Sonnar optical design is famous for.
• Ultralight & Compact: At just 134g, it essentially functions as a pancake lens on modern mirrorless cameras, making it incredibly portable.
• Rangefinder Heritage: Designed for rangefinders, offering a highly tactile and purely manual shooting experience.
• Ideal Collector's Condition: Preserved in stunning cosmetic shape and comes complete with its original vintage storage case.

Compatibility (Mirrorless & Rangefinder Cameras)

Because this is an M39 (LTM) rangefinder lens, it has a short flange focal distance. Please note the compatibility below:

• Mirrorless Cameras: 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.
• Leica M / Rangefinders: Can be used perfectly on Leica M digital and analog rangefinders using an M39-to-Leica M adapter ring.
• DSLR Cameras: Not 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.

Technical Specifications:

• Focal Length: 50mm
• Aperture Range: f/2.0 – f/22
• Lens Mount: M39 / LTM (Leica Thread Mount)
• Optical Design: 6 elements in 3 groups (Sonnar formula)
• Aperture Blades: 9
• Filter Diameter: 40.5mm
• Weight: 134 g
• Manufacturer: KMZ (Krasnogorsk Mechanical Plant), USSR
• Focus Type: Manual Focus Only

Condition Report

• Optics: Ideal / Mint condition. The glass elements are clean and clear. No fungus, no scratches, no separation, and no haze. Note: 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.
• Mechanics: Fully tested and in excellent working order. The manual focus ring turns smoothly. The aperture ring adjusts properly. Note: 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.
• Cosmetics: Ideal vintage condition. The black barrel is beautifully preserved with minimal signs of use.

Note: All photos shown in this listing are actual high-resolution images of the specific lens you will receive.

What’s Included in the Box:

1. Jupiter-8 50mm f/2 Lens (Black, M39 Mount)
2. Original Vintage Hard Case
3. Front Lens Cap
4. Rear Lens Cap