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Panasonic 14-42mm f3.5-5.6 II problem. Help Please

Started Jun 11, 2015 | Questions thread
Narcosynthesis Senior Member • Posts: 1,832
Re: Panasonic 14-42mm f3.5-5.6 II problem. Help Please

Colourise wrote:

Hi

I should be grateful for some advice, please.

I am using a Panasonic 14-42mm f3.5-5.6 II on an Olympus EM-10 and find that when the lens is zoomed hard (there is no further available movement of the zoom ring) to the 42mm position, the display in the viewfinder sometimes shows 40mm and the EXIF data also shows 40mm.

On other occasions the display and EXIF data correctly show the 42mm setting.

Has anyone else experienced this type of behaviour before and does this suggest that it is an incompatibility issue or could the lens be faulty?

The lens is new

Thanks

What does the camera read the focal length at at the widest setting? Is it also out of calibration there (try zooming in by 2mm and see if it changes where it should). I would hazard a guess that either the system that reports the zoom position is either mis-calibrated or the sensor is not working perfectly when it is at the long limit.

Ultimately, I doubt a 2mm discrepancy will make any practical difference to the IS system or anything. so I probably wouldn't worry about it myself.

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