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battery life?


frogfish

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Back in 1995 I visited the USA for the first time, I spent three months here and in that time  I shot 10 36 exposure rolls of film. Those 360 photographs tell the entire story of that trip and I don't feel I missed anything..

 

I think I could manage quite well with 400 shots per charge. 

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This is not film era exposures are free , trust me if you had a M240 you will miss that battery

 

Exposures are not free, how much time will you spend in front of the computer editing and discarding to leave only the 5% keepers?

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Exposures are not free, how much time will you spend in front of the computer editing and discarding to leave only the 5% keepers?

Much less than waiting for film to develop and then looking through prints/loupe for finding keepers. :)

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Exposures are not free, how much time will you spend in front of the computer editing and discarding to leave only the 5% keepers?

I tend to spend a lot of time. I have learned to be a quicker editor. I take a LOT more pix now compared to with with film. It would be many bricks of film, the Kodak variety that was 20 rolls per brick! This is especially true for my primary subject, salmon under water. Not a Leica subject other than topside shots. Currently on a good day I may take several thousand shots (over several hours!) when not using flash. I shoot a lot more now than even three years ago. Some of it has to do with the capabilities of my current cameras (such as better high ISO) compared to what I had three years ago. I do get some amazing keepers.

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My concern is how many years the RTC/NVRAM battery ( for the clock and settings ? ) will last ( see the small soldered on button cell just above the viewfinder ) 

 

Leica-M10-camera-the-making-of-11.jpg

 

http://leicarumors.com/2017/01/18/leica-m10-the-making-of.aspx/#more-44346

 

I read somewhere that the M240 has a capacitor and not a battery.  That would last a lot longer than a NiMH or Lithium based battery?  

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I went from film and 300 exposures and 72 keepers over 2 weeks in the Wind River Range, Wyoming in October 2016, to 1200 exposures (many of them retakes for the histogram) and 236 keepers over 4 weeks in November 2016 in Nepal with the M240.

1) My keeper rate has improved due to improved skill, diminished taste, increased frequency of interesting things in the Nepalese wilderness compared to the Wyoming wilderness, or a combination.

2) I was glad of my spare battery, needing to swap every 5 days (20% charge level).

3) I took a solar charger to charge a storage battery to charge the M240 battery via the 12V battery charger. A USB charger would be useful.

 

I might need to charge the new M10 battery every 3 or 4 days. I'm not too worried about that.

 

Pete

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My concern too. 
 

The M10 has similar propertis as the SL. With the SL typical battery life is 400-600 shots (for me). So it is not so astonishing that the M10 should have similar numbers. And yes, it is no problem at all. Two batteries should last for 800 images or more, that is normally more than enough for a busy day.   :)   And for many this would be enough for several days.

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Jono Slack's review, I think, gives typical battery usage in different scenarios. The number of shots is not a particularly useful figure these days, but it is difficult to say what is. Usage of the EVF/LV, reviewing on the screen and playback, sleep setup, use of GPS, all play a part. I don't have the M10, but on the SL I cpuld get anything from 300 to 600 shots per battery, depending on what else I was doing, and the period over which I took them.

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My concern too. 
 

The M10 has similar propertis as the SL. With the SL typical battery life is 400-600 shots (for me). So it is not so astonishing that the M10 should have similar numbers. And yes, it is no problem at all. Two batteries should last for 800 images or more, that is normally more than enough for a busy day.   :)   And for many this would be enough for several days.

 

I have shot over 1000 in a day at a busy dance festival. Two batteries were enough.

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I have shot over 1000 in a day at a busy dance festival. Two batteries were enough.

 

 

I wouldn't be comfortable on a day-long shoot with only two batteries of that capacity, and even three would leave me nervous.

 

For a normal day's walk-about two or even just one might be fine, but for a concentrated day's work, I doubt it, three spares must be the minimum.

 

The battery decision feels like an expensive nuisance to me.

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I wouldn't be comfortable on a day-long shoot with only two batteries of that capacity, and even three would leave me nervous.

 

For a normal day's walk-about two or even just one might be fine, but for a concentrated day's work, I doubt it, three spares must be the minimum.

 

The battery decision feels like an expensive nuisance to me.

To avoid misunderstanding, I was shooting with the SL, not M240.

But, yes, I was not comfortable with just the two batteries I have, and made an effort to get the first one recharged during the day - but it wasn't needed.

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To avoid misunderstanding, I was shooting with the SL, not M240.

But, yes, I was not comfortable with just the two batteries I have, and made an effort to get the first one recharged during the day - but it wasn't needed.

 

 

 

Yes, I assumed you were talking about the SL, but thanks for the clarification.

 

This doesn't relate to anything you have said, but it bugs me when people (including Leica) talk about concentrating on the essentials or going back to basics, and yet so blatantly put form before function in this way.

 

It's a small example of why all along, since way before the announcement of the M10 I've been saying I don't want an exercise in nostalgia but the best camera of its type they can give us.

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Just tried the new M10 today in Frankfurt at minus 2 degrees... around 550 shots and playing around a lot with the settings... Result: 65% battery left.

That's wonderful and I'd take back my moan if it turns out to be reliably as good as that.

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Okay okay - if you are shooting the camera as a rangefinder, without the EVF, and shooting at a reasonable rate, then you can get 600 shots - if you use live view and the EVF - have sleep mode set to off and shoot occasionally you might only get 100 shots.

Good news is that the battery indicator is excellent and the warnings sensible, and it keeps on shooting reliably until the battery is dead.

. . You need to be prepared - but it's not a big deal

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