7artisans 75mm f/1.25 I

7artisans 75mm f/1.25 I

When it appeared in 2019, the 7artisans 75mm f/1.25 stood out as one of very few lenses ever built at this combination of focal length and speed, the most famous being the Leica Noctilux-M 75mm f/1.25 that costs many times more. For a fraction of that price, 7artisans offered a manual M-mount short telephoto that aims squarely at shallow depth of field and low-light portraiture [1]. Reviewers consistently framed it as a character lens rather than a clinical performer, valued for its rendering and price rather than across-the-board optical correction[2].

The lens uses a seven-element, six-group optical design with a 62 mm filter thread, and it is a substantial piece of glass and metal weighing 600 g. Build and handling were judged to be good, with engraved, paint-filled markings, a focus ring that turns a little over 90 degrees from the 0.8 m minimum focus distance to infinity, and full-stop click stops on the aperture ring. A standout feature is the 12-bladed diaphragm, which one reviewer praised as among the best designed he had seen because it stays rounded from roughly f/1.4 to f/2.8 for circular highlights and then becomes straighter for defined sunstars when stopped down further. Although it carries a Leica M mount, the lens is not rangefinder coupled, so focusing relies on live view or an electronic viewfinder; combined with focus shift typical of its Sonnar-type design, reviewers cautioned that rangefinder-only focusing at f/1.25 is difficult. A slip-on metal front cap is supplied, but at launch there was no dedicated lens hood, which affects flare control.

Reported handling details varied slightly between samples. Early units sometimes showed a faint scratchy noise in the focus ring that some owners said eased with use, and one reviewer found the aperture ring could be nudged marginally past both the f/1.25 and f/16 marks, while a later owner reported no such play, suggesting minor running production refinement. The lens is identified here as the first version, and a Version II was later announced, which helps distinguish the original from the newer model.

Optical qualities

Rendering The lens is described as delivering pleasing, undistracting out-of-focus rendering with good subject separation wide open, the trait most buyers are drawn to. It behaves as a fast Sonnar-style optic, trading clinical correction for character; performance improves markedly on stopping down.

Sharpness Center resolution at f/1.25 is described as acceptable but accompanied by spherical aberration glow and purple fringing, with surprisingly little falloff into the mid-frame and corners. Stopping down to f/2.0 brings a clear improvement and f/2.8 looks good across the frame. Wide-open performance at close and portrait distances is softer, which the reviewer attributed to the absence of a floating-element design.

Bokeh and transitions Bokeh was rated as a strength: very smooth at close distances and pleasing with low outlining at medium range, though at longer distances highlights can show more internal structure.

Flare resistance Flare resistance was judged a weak point. Shooting into point light sources produces artifacts and a veiling, sometimes ring-shaped flare wide open, and the lack of a hood makes stray light from just outside the frame harder to control.

Distortion and vignetting Distortion is only very slight barrel and rarely relevant in practice. Light falloff wide open is strong, around 2.9 EV with an unusual abrupt drop near the corners, improving steadily on stopping down.

Aberrations Lateral chromatic aberration is minor and easily corrected, but longitudinal chromatic aberration is on the high side with visible green and magenta outlining in close-up scenes, and coma is strong wide open, only clearing up around f/4.0, so it is not recommended for astrophotography at wide apertures.

Collector and user notes There is noticeable focus shift as the lens is stopped down, so focusing at working aperture is advised; this is a particular concern for rangefinder users. A second reviewer enjoyed the images but ultimately found the lens too heavy to carry regularly, a recurring theme among owners.

History

Development and Launch 7artisans introduced the 75mm f/1.25 in 2019 as a fast portrait lens for Leica M mount, positioned as an affordable alternative in a segment otherwise dominated by far more expensive options. At the time of its release it was effectively the only 75mm f/1.25 lens besides the Leica Noctilux, a point reviewers used to underline its unusual specification and value proposition.

Collector Notes Buyers should be aware that the lens is not rangefinder coupled and is best focused with live view or an EVF, and that focus shift and the weight of the lens are common practical complaints. Minor sample-to-sample differences in the focus ring feel and aperture ring play have been reported, and there is no factory hood for the original version, so any included hood should be checked as a third-party accessory. The slip-on metal front cap is the standard supplied accessory worth confirming on the used market, and the existence of a later Version II is a key point to verify when identifying a first-version copy.