Shoten Tribute 01 50mm f/1.1: A Brand-New Lens Built to Look Old

Can a lens be too perfect?

Modern optics have gotten so good that many of them render the same way: crisp, clean and corrected to the corners. Shoten wanted to do something different.

The Tribute 01 LTM 50mm f/1.1 went on sale in Japan on September 30, 2026, and at full aperture it glows, flares and swirls. When you stop it down two or three stops and it turns into a far more sharpened fifty.

That split personality is the whole story. Let’s explore where it comes from, what it does to a photograph, and who will fall for it.

A Tribute to the Lens That Broke f/1.2

In 1953, Teikoku Optical Industries released the Zunow 5cm f/1.1. Nikon’s own historical archive credits it as the first photographic lens faster than f/1.2. Nikon answered with its Nikkor-N 5cm f/1.1 in February 1956.

The early Zunow was a Sonnar-derived design with 9 elements in 5 groups, revised to 8 elements in 5 groups in 1955. Collectors know it by its bulbous, protruding rear element, nicknamed the “ping-pong ball.” Originals trade as collector pieces today, typically $5,000 to $10,000 and up depending on version and condition.

Shoten, the Japanese company many of us know for its lens adapters, chose the Zunow as the first subject of its new Tribute series. Shoten describes the lens as a reinterpretation of the Zunow’s rendering using modern optical design, and its own commissioned feature says the construction differs from the original. So a tribute lens.

An Unlikely Origin Story

Shoten developed the lens with lens creator Chūkyōshi DJ, a designer with deep roots in the Chinese manual-lens world. According to a feature on Shoten’s official channel, the project started with an unreleased 50mm f/1.1 prototype sitting in DJ’s office, an eccentric design reportedly set aside during development of the 7Artisans 50mm f/1.1.

Shoten took that oddball prototype and tuned it toward a Zunow-like look. One team’s shelved experiment became another team’s starting point.

The Specs at a Glance

Specification	Shoten Tribute 01 LTM 50mm f/1.1
Format	35mm full frame
Focal length	50mm
Mount	Native L39 screw mount, with supplied L39-to-M ring for Leica M
Focus	Manual, rangefinder coupled
Aperture range	f/1.1 to f/16, full-stop clicks
Diaphragm	13 blades
Minimum focus	0.5m (1.64 ft)
Rangefinder coupling	About 0.7m to infinity, varies by camera
Filter thread	52mm
Size	About 62mm x 44.5mm, excluding mount
Weight	About 308g (10.9 oz)
Build	Brass and aluminum barrel
Finishes	Black or silver, both with a gold-tone brass mount
In the box	Octagonal hood, front and rear caps, lens case, pouch, L39-M ring
Price (Japan)	¥142,000 suggested retail, ¥115,200 at Shoten’s online store (tax included)
Warranty (Japan)	Two years
Launch	September 30, 2026 (Japan)
Optical formula and MTF	Unpublished

Two Lenses in One Barrel

At f/1.1: Atmosphere First

Wide open, the Tribute 01 does everything a modern lens works to prevent. Sample images from Shoten and early testers show:

• A soft glow, or veiling flare, wrapping fine detail
• Lower contrast and a razor-thin plane of focus
• Flare and ghosting around bright light sources
• Background blur that stretches and swirls toward the frame edges, strongest at close distances

Here’s what’s likely going on. Spherical aberration (light passing through the edge of the lens focuses at a different point than light through the center) creates that glow around sharp detail. Off-axis aberrations like coma, astigmatism and field curvature can stretch out-of-focus highlights into the radial streaks near the corners.

Shoten keeps its optical diagram and MTF charts private for now, so treat these as educated guesses rather than measured facts.

The bokeh is where it’s at. Simple backgrounds melt into something painterly. Background choice becomes part of the composition.

Focusing at f/1.1 takes practice. One independent tester found the glow made peak focus hard to pin down even in magnified live view. A calibrated Leica rangefinder can feel easier here, since you focus through a separate window that doesn’t show the haze.

At f/2 to f/2.8: The Transformation

Stop down and the lens sharpens things up. The 13-blade diaphragm keeps highlights round at f/2, and Shoten’s samples look substantially sharper and cleaner by f/2.8. That’s an observation from sample images. Lab resolution numbers are still to come.

At f/4 to f/5.6: The Working Range

An independent test on a Leica M10-P points to f/4 to f/5.6 for a more conventional look, with stronger outlines and far less glow. Even here the lens keeps an old-school character. Flare still shows up with strong light in the frame, and barrel distortion stays put at every aperture.

In practice: f/1.1 is your effect setting. f/4 is your working setting.

Handling, Focus and the Little Details

The focus split. The lens focuses physically to 0.5m, but rangefinder coupling ends at about 0.7m. Digital M and mirrorless shooters can use live view or an EVF to work that last 20cm, which unlocks stronger separation and wilder background swirl. Film M shooters work from 0.7m out.

Calibrate it yourself. Shoten built in a coupling adjustment. Loosen three small screws on the rear ring with a precision flat-blade screwdriver and fine-tune the rangefinder match to your body. Test at several distances before touching anything. At f/1.1, one missed frame says more about technique than calibration.

The 6-bit code. The M adapter ring is reportedly coded as a Leica Noctilux-M 50mm f/1. On a digital M, that code identifies the lens for EXIF and in-camera corrections, while the camera estimates the aperture separately. Leica built that profile for a different optical design, so compare files with lens detection on and off.

Mounts. The native mount is an L39 screw mount. The supplied ring adds Leica M, and from there the lens adapts to most mirrorless systems.

The object. Brass and aluminum, black or silver, a gold-tone mount, an octagonal slip-on hood with a rangefinder viewing cutout, and a bright red box. At 308g and 44.5mm long, it’s compact for an f/1.1 full-frame lens. It feels like a collector piece you’re allowed to use.

How It Stacks Up

Lens	Character	Weight	Min. Focus	Price
Shoten Tribute 01 50mm f/1.1	Zunow-inspired glow and radial bokeh, compact	308g	0.5m (0.7m RF)	¥115,200 (about $730)
Original Zunow 5cm f/1.1	Historic first, collector artifact	Varies	Varies	$5,000 to $10,000+
Voigtländer Nokton 50mm f/1.0 VM	Modern, high-performance, predictable	484g	0.9m	€1,749
TTArtisan 50mm f/0.95 M	Maximum speed at a similar price	About 687g	0.7m	$755
7Artisans 50mm f/1.1 M	Budget Sonnar-style glow	About 400g	0.7m	About €300 used
MS-Optics Sonnetar 50mm f/1.1	Handmade, tiny, adjustable coma	About 195g	About 0.68 to 0.8m	Varies
Leica Noctilux-M 50mm f/0.95 ASPH	Flagship correction and prestige	700g	1m	About C$20,305 (one dealer)

The closest cousins are the 7Artisans and the MS-Optics Sonnetar, since all three put Sonnar-style character and compact size ahead of clinical correction. The Voigtländer and Leica serve as performance benchmarks. The TTArtisan matches the Shoten on price and beats it on speed, at more than twice the weight.

Who It’s For

A strong fit

• Portrait photographers chasing atmosphere, especially window light, low-key and monochrome work
• Night and neon shooters who want halos and flare as compositional material
• Fine-art and experimental photographers who enjoy a lens with a mind of its own
• Zunow admirers who’d rather keep $10,000 in the bank
• Digital M and mirrorless shooters, whose live view unlocks the 0.5m minimum focus
• Anyone building a small character-lens kit to carry beside a dependable modern prime

Better served by a modern prime

• Wedding and event photographers working one lens all day
• Architecture, interiors and copy work, where barrel distortion fights straight lines
• Fast action, where manual focus at f/1.1 leaves almost zero margin
• Technical landscape work that demands edge-to-edge neutrality
• Astrophotography, at least until someone publishes coma tests

Price and Availability

The Tribute 01 is on sale in Japan now at ¥142,000 suggested retail, or ¥115,200 through Shoten’s online store, tax included. That works out to about $730, but treat that as a currency conversion. US pricing, import duty and shipping will set the real landed cost. The two-year warranty comes from Japanese launch materials, so overseas buyers should confirm who handles returns, calibration and repairs before ordering.

The Beauty of Imperfection

Every lens makes a promise. Most promise accuracy. The Tribute 01 promises a mood, and the early samples suggest it keeps that promise wide open, and gives you nifty fifty when you need one.

It rewards photographers who want aberrations as a creative tool. If you’ve ever fallen for the glow of an old lens on a backlit afternoon, this one deserves a serious look. Find a simple background, open up to f/1.1, and see what the light does.

Sources

• PetaPixel: Shoten’s Debut Tribute Lens Honors the World’s First f/1.1 Lens
• CAPA CAMERA WEB: SHOTEN TRIBUTE 01 LTM50mm f/1.1 (Japanese)
• Shoten Koubou official news release (Japanese)