Urth ULMA-C/G-Z Contax G to Nikon Z Lens Mount Adapter

Urth ULMA-C/G-Z is a manual lens mount adapter for using Contax G lenses on Nikon Z cameras. It requires manual focus and exposure adjustment, so it suits photographers comfortable working without the automatic functions described for the adapter.

At a glance

Designed to connect Contax G-mount lenses to Nikon Z-mount cameras.
Manual operation means focus and exposure settings need to be adjusted by the photographer.
Urth describes a snug, light-sealed connection and construction from hardened aluminium and copper.

Price

€66.50Save 30%

Reference price: ~~€95.00~~

Price checked: 13 Nov 2026

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Pros and cons

Pros

Provides a way to use existing Contax G lenses on Nikon Z camera bodies.
Manual focus and exposure controls suit photographers who prefer hands-on adjustment.

Cons

Automatic functions are not supported, including automatic focus and exposure adjustment.

Technical specifications

8 specifications

Identity
Brand	Urth
Model	ULMA-C/G-Z

Camera compatibility
Lens mount	Contax G
Camera mount	Nikon Z
Focus type	Manual Focus
Exposure adjustment	Manual

Construction
Materials	hardened aluminium and copper
Finish	anti-reflection matte finish

What to know before buying

The listing's detailed description also says image stabilisation requires manual adjustment and that automatic functions are unsupported. Confirm how your specific lens and camera behave together before relying on stabilisation or other automated functions.

Who is it for?

A good fit for

Nikon Z camera owners who already have Contax G lenses and are comfortable with manual focus and exposure.
Photographers seeking a mechanical way to experiment with legacy lenses on a mirrorless camera.

Less suited to

Photographers who need autofocus or automatic exposure adjustment from the lens adapter.

Urth ULMA-C/G-Z Contax G to Nikon Z Lens Mount Adapter · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 12 ratings

5 stars60%60%
4 stars17%17%
3 stars10%10%
2 stars13%13%
1 star0%0%

The listing provides aggregate ratings only, with a small rating sample and a mix of higher and lower star categories. Those figures do not establish what customers liked or disliked, so they offer limited guidance on fit, manual operation or compatibility with a particular camera and lens.

Frequently asked questions

Which lenses and camera mount is this adapter intended for?

The listing describes adapting Contax G-mount lenses to Nikon Z-mount cameras.

Does the adapter support autofocus or automatic exposure?

No. The listing says automatic functions are not supported and focus and exposure settings require manual adjustment.

Does it provide image stabilisation?

The listing says it has no built-in image stabilisation. Its detailed description also says stabilisation needs manual adjustment, so confirm operation with your camera and lens.