BWA Posted May 8, 2014 Share #1 Posted May 8, 2014 Advertisement (gone after registration) Hi, the meter ( or ISO setting wheel) on my M6 ttl is consistently off by 2 stops under. I have verified this by comparison with my Sekonik L-508 and other digital M's. The meter itself works fine but I have to set the ISO dial at iso 100 if I am using TRI-X at 400 ISO and ISO 25 if I am using 100 ISO film. The dial is aligned the correct way on the rear of the camera and I have cleaned the gold contacts. Any ideas what is causing this? Many thanks. Link to post Share on other sites More sharing options...
Advertisement Posted May 8, 2014 Posted May 8, 2014 Hi BWA, Take a look here Leica M6 TTL meter problem. I'm sure you'll find what you were looking for!
wda Posted May 8, 2014 Share #2 Posted May 8, 2014 When was the battery last changed? Link to post Share on other sites More sharing options...
BWA Posted May 8, 2014 Author Share #3 Posted May 8, 2014 Thank you for your reply David. I had previously tried changing the battery but that did not solve the problem. Regards Brendan Link to post Share on other sites More sharing options...
wda Posted May 8, 2014 Share #4 Posted May 8, 2014 Some substitute batteries replacing older Mercury types have different characteristics and can cause meters to operate in a different way. It would be best to ask Leica Customer Support for advice before sending the camera in for inspection. Link to post Share on other sites More sharing options...
xalo Posted May 8, 2014 Share #5 Posted May 8, 2014 Hello, The problem with unstable battery power is true mostly for the mercury replacement zinc-air cells, but the M6 TTL runs on contemporary SR44 or similar. They are usually not so prone to these issues. Prefer the silver/lithium type and avoid the alcaline one, the charge of the latter tends to vary more when declining. Before indeed calling CS, I would check and clean (very fine sandpaper or fiber brush) the battery contacts (camera and cells) to eliminate possible traces of corrosion. Perhaps there's also a local store that can take a look. Alexander Link to post Share on other sites More sharing options...
Michael Geschlecht Posted May 9, 2014 Share #6 Posted May 9, 2014 Hello Everybody, For cleaning electrical contacts or/& battery contact surfaces: An ink eraser in the form of a pencil which can be re-sharpened in any regular pencil sharpener is normally sufficient. Sand paper is generally too aggressive & unnecessary. A soft brush to brush out any residual odds & ends, both before & after using the eraser, coupled with a person's breath to help, can also be beneficial. In restoration & maintenance very often "less is better". Even if it has to be repeated. Best Regards, Michael Link to post Share on other sites More sharing options...
xalo Posted May 9, 2014 Share #7 Posted May 9, 2014 Advertisement (gone after registration) Hello there, Sure, cleaning contacts needs to be done carefully. When I used an ink eraser I sometimes had a doubt about a rubber smear left behind... With sandpaper it's sand and streaks. Very fine steelwool, like for wood polishing, works well. The fiber brush I'm referring to is a pen with a small retractable glassfiber brush included. I bought one decades ago from the German brand/distributor of lab and photo goods 'Kaiser'. Cheers, Alexander Link to post Share on other sites More sharing options...
MT710 Posted May 9, 2014 Share #8 Posted May 9, 2014 I had the same issue with my TTL a year ago and after some attempts of battery change and cleaning opted for the CS treatment. They exchanged some electronics and applied the usual treatment... Camera works like a breeze since. Regards Michael Link to post Share on other sites More sharing options...
BWA Posted May 9, 2014 Author Share #9 Posted May 9, 2014 Thanks for all replies - I think I will send the camera in to Solms for a visit - could probably do with with a CLA anyway. Thanks again.. Link to post Share on other sites More sharing options...
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