Camera settings shown in LrC

[William R Bradley]

I have noticed that when I take a photograph at a specific f-setting that this is not reflected in LcR.  For example a shot taken at  f2.8 showed in LcR at f8.  In case I made a mistake I took a test shot at f2.8 and in LcR it changed to f3.4. 

Is there a logical explanation for this?

Thanks

William

[Per Berntsen]

What camera and lens are you using?

[William R Bradley]

I used a Leica M11 with a 50mm f1.4 Summilux lens.

[William R Bradley]

I used a Leica M11 with a 50mm f1.4 Summilux lens.

[kind_Hero1587]

Hello,

Leica M lenses have no way of passing aperture or any other information to the camera body. In order to provide some information to the EXIF. In fact, the camera guesses some parameters as aperture based upon information taken from the camera body light sensor and works out the likely and more than often wrong aperture. 
Best regards from France

[William R Bradley]

Thank you, I thought it might be something like this.

[Conrad_C]

If you are using a lens that can’t communicate with the camera body, or a camera that can’t record EXIF metadata such as an old film camera, you might use a plug-in such as LensTagger (free, donation requested) to enter the information yourself. There are other ways to do this, using software that can edit the lens EXIF metadata.

[William R Bradley]

Thank you, this is helpful, I will follow this up.