FTZ adapters other than Nikon's?

Started Jul 25, 2021 | Discussions thread
Kharan Senior Member • Posts: 2,312
Re: FTZ adapters other than Nikon's?

Kirnbichler wrote:

> Nu-uh. You get no EXIF data without the FTZ.

I've adapted old Mamiya 645 lenses to my Z7II, and the "non-CPU lens"parameters I set in the camera are written in the EXIF data.

Of course, not the actual aperture setting (as that can't be detected by the camera) and only an approximation of focal lenght, as some of the Mamiya lenses have focal lenghts Nikon never produced (150mm or 210mm), but the nearest value I can choose for the "non-CPU lens" parameter gets written to the EXIF data.

Here's an excerpt created with ExifTool on the original NEF files:

Camera Model Name : NIKON Z 7_2
Creator Tool : NIKON Z 7_2 Ver.01.20
F Number : 4.0
Focal Length : 200.0 mm
Focal Length In 35mm Format : 200 mm
Lens Info : 0mm f/?
Lens Make :
Lens Model :
Lens Serial Number :
Aperture : 4.0
Lens Spec : 0mm f/0 MF

(This is for a 210mm f4 lens I had to enter as a 200mm f4 lens)

Well, not all values are populated, "lens info" and "lens spec" aren't. This I'd consider a firmware bug for the Z7II.

Adobe Lightroom does show the focal length, the aperture and "lens spec" (in brackets). Maybe the software you're using relies on the "lens info" or "lens spec" fields alone?

Did you do that with a direct adapter to Nikon Z, or with another on the FTZ? Because I’ve adapted LTM, Kowa R and Agfa Silette lenses (yes, I collect obscure camera systems) directly onto my Z7 with dumb adapters, and I get absolutely nothing in the EXIF field đŸ¤” IBIS works with my choice in Non-CPU lens data, but the EXIF for them is absolutely blank.

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