M10-P lens detection

[Peter Kilmister]

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My most used lens on my M10-P is the 50 APO Summicron which is 6 bit coded and always picked up by my previous M240-P.

I have my main menu lens detection set to Auto. It says, by detection that I have a 50mm f:/2 lens attached.

When I switch on the camera and look through the rangefinder it has frame lines for 135mm lens. This is rather confusing.

Luckily I still have reasonably good memory and can picture the scene fairly well. I have cleaned the 6 bit contacts on the lens and the camera.

Is this a known problem? 

[Jeff S]

It could happen on other Ms...

Jeff

[Peter Kilmister]

The lens is correctly clicked into place. The Menu says there is a 50mm attached, so the lens is being recognised by the 6 bit software. However, the frame lines are incorrect for a 50mm lens.

I doubt the camera's firmware but it has the latest level. 

[Leicaiste]

21 minutes ago, Peter Kilmister said:

My most used lens on my M10-P is the 50 APO Summicron which is 6 bit coded and always picked up by my previous M240-P.

...

When I switch on the camera and look through the rangefinder it has frame lines for 135mm lens. This is rather confusing. 

The frames are not activated by the code, but by the bayonet. It is a mechanical problem, not a software problem.

[Peter Kilmister]

@LeicaisteThank you for your reply. I'll try cleaning and wiggling the contact between the lens and body and report back.

[Jeff S]

Yep, as noted in the linked thread.

Jeff

[Peter Kilmister]

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Cleaning and wiggling completed ... which took no time at all. I am pleased to announce that I now have the correct frame lines showing. Many thanks for everyone's help on an annoyance.