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Urth · Leica MSony E adapter

Urth Leica M to Sony E Leica MSony E adapter

Leica M bayonet (Leica, Voigtländer VM, Zeiss ZM, Konica M-Hexanon, 7Artisans, TTArtisan, Light Lens Lab) onto Sony E with anodised recycled-aluminum body and plastic-free packaging.

At a glance

Vendor
Urth
Release year
2020
Body-side contacts
None (purely mechanical)
Flags
firmware-updatableweather-sealedrequires glass

What this adapter preserves

Compatibility for Leica M lens on a Sony E body (computed from the lensmount dataset — open the Leica M to Sony E adapter page for the full verdict, flange clearance, and adapter caveats).

  • Focus: Manual focus only
  • IS: No IS
  • Aperture: Manual aperture ring
  • Infinity focus: Reaches infinity

What it does

No close-focus helicoid (unlike Voigtländer's VM-E Close Focus) — focuses to the lens's native minimum, nothing closer. For AF on M-mount glass, look at the Techart LM-EA9 instead. Tree-planting commitment per product.

Common questions

Does the Urth Leica M to Sony E adapter close-focus past the lens's native minimum?
No — Urth's M-to-FE adapter is a flat ring, not a helicoid. A 50 mm Summicron's native 0.7 m minimum-focus distance stays at 0.7 m through the Urth. For close-focus extension, the Voigtländer VM-E Close Focus is the canonical pick (helicoid extends flange ~4 mm, drops a 50 mm Summicron to ~0.3 m).
Is it compatible with 6-bit coded Leica M lenses?
Yes mechanically — the 6-bit coding on Leica M lenses is a read-only marker for Leica M bodies' onboard lens-detection. With a Sony body in the picture, the coding is ignored; the lens mounts and operates the same as any non-coded M lens. Focus, aperture, and infinity all work normally.
How does it compare to a Novoflex SONY/LEM at 3-4× the price?
Novoflex's German-CNC build has tighter mechanical tolerances and a dual-screw bayonet retention that virtually eliminates flange drift over years of remounting. For occasional vintage-M use Urth is fine; for daily professional use with $5000+ Summicrons or Summiluxes, Novoflex's precision is hard to argue against. Both preserve infinity focus and aperture-ring travel on the lens.

Mounts on either side

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Same lens-side mount (Leica M)

Same body-side mount (Sony E)

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