Lens adapter compatibility

Nikon Z lenses on Pentax Q cameras

Can you use Nikon Z lenses on Pentax Q cameras? Yes, with a simple mechanical adapter (manual focus). The Nikon Z flange distance is 16.00 mm and Pentax Q is 9.20 mm, a difference of +6.80 mm.

+6.80 mm
Space for the adapter
16.00 mm
Nikon Z flange
9.20 mm
Pentax Q flange
Verdict: Yes — a simple 6.8 mm adapter keeps infinity focus.

What to expect#

Aperture control: lenses with a manual aperture ring work directly; electronically controlled lenses (no ring) need a smart adapter or one with a built-in aperture lever.

Focus: use focus peaking and magnification in the viewfinder. Exposure metering works normally because the camera meters through the lens at working aperture.

Crop factor: on a 5.5× crop Pentax Q body a 50 mm Nikon Z lens frames like 275 mm. A focal reducer (“speed booster”) can bring back some width and gain about a stop of light.

Frequently asked questions#

Will Nikon Z lenses autofocus on Pentax Q?

No — adapted lenses are manual focus on this combination.

Does a Nikon Z to Pentax Q adapter affect image quality?

A glass-free adapter is just a precisely machined spacer, so image quality is unchanged when it is built to the right thickness. Cheap adapters can be slightly too thin or thick, which shifts the infinity mark.

Last updated October 03, 2026 · How we calculate · Sources