Archived posting to the Leica Users Group, 2015/07/08

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Subject: [Leica] New M(240 firmware - 2/0.2.5)
From: red735i at verizon.net (Frank Filippone)
Date: Wed, 08 Jul 2015 14:50:23 -0700
References: <01ee01d0b98d$154560e0$3fd022a0$@mcmaster.fr> <01d801d0b9b8$a73abd30$f5b03790$@verizon.net> <020c01d0b9ba$809c31c0$81d49540$@mcmaster.fr> <01de01d0b9bd$1bd64890$5382d9b0$@verizon.net> <E201B152-00EE-455F-B960-3B45A5573BBD@ameritech.net>

To date, the shot counter in the M240 has been "encrypted" and no one has
broken the algorithm yet.

I forgot when I first asked the question....

I wonder why Leica did that?

Frank Filippone
Red735i at verizon.net


-----Original Message-----
From: LUG [mailto:lug-bounces+red735i=verizon.net at leica-users.org] On 
Behalf
Of Dante Stella
Sent: Wednesday, July 08, 2015 2:31 PM
To: Leica Users Group
Subject: Re: [Leica] New M(240 firmware - 2/0.2.5)

Academic question. Shot counts are encrypted.

Dante

> On Jul 8, 2015, at 4:31 PM, Frank Filippone <red735i at verizon.net> wrote:
> 
> My impression is that the "shot count" is a measure of the use of the 
> mechanical shutter parts.  This would be evaluated against the 
> expected longevity of the shutter mechanism.....  For example, there 
> are 20,000 shutter actuations against a shutter that is rated for 
> 200,000 actuations, so it about 10% of life expectancy.  OTOH, it 
> would be not in my best interest to purchase a used M240 with a shot 
> count of say 1,000,000 actuations... the shutter mechanics would be mostly
used up by then.
> 
> The measure of the electronics in terms of shot count is meaningless.
> 
> More to the point, if I am a still shooter, looking for a used M240, I 
> do not want a shutter with 250,000 clicks.... so I ask the question with a
> purpose....   Is the shutter actuator counter reset by the upgrade of FW? 
> 
> Frank Filippone
> Red735i at verizon.net
> 
> 
> -----Original Message-----
> From: LUG [mailto:lug-bounces+red735i=verizon.net at leica-users.org] On 
> Behalf Of John McMaster
> Sent: Wednesday, July 08, 2015 1:13 PM
> To: 'Leica Users Group'
> Subject: Re: [Leica] New M(240 firmware - 2/0.2.5)
> 
> I thought they had defaulted to JPEG since M8 days? Shutter counts 
> does not matter so much with video abilities, I could take 100 stills 
> but 1000 hours of video and the latter is unknown....
> 
> john
> 
> -----Original Message-----
> 
> JPEG?
> 
> An indication of who their target market really is?
> 
> On a more serious note,
> By resetting numbering, does this then obfuscate the click count of 
> the shutter mechanism?
> 
> Frank Filippone
> Red735i at verizon.net
> 
> -----Original Message-----
> 
> Just be aware that it resets numbering and defaults to JPEGs! 
> 
> http://us.leica-camera.com/Service-Support/Support/Downloads?category=
> 93710
> <http://us.leica-camera.com/Service-Support/Support/Downloads?category
> =93710 &subcategory=93711&type=108942&language=93871>
> &subcategory=93711&type=108942&language=93871
> 
> john
> 
> 
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
> 
> 
> _______________________________________________
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Replies: Reply from dstella1 at ameritech.net (Dante Stella) ([Leica] New M(240 firmware - 2/0.2.5))
Reply from robertbaron1 at gmail.com (Robert Baron) ([Leica] New M(240 firmware - 2/0.2.5))
In reply to: Message from john at mcmaster.fr (John McMaster) ([Leica] New M(240 firmware - 2/0.2.5))
Message from red735i at verizon.net (Frank Filippone) ([Leica] New M(240 firmware - 2/0.2.5))
Message from john at mcmaster.fr (John McMaster) ([Leica] New M(240 firmware - 2/0.2.5))
Message from red735i at verizon.net (Frank Filippone) ([Leica] New M(240 firmware - 2/0.2.5))
Message from dstella1 at ameritech.net (Dante Stella) ([Leica] New M(240 firmware - 2/0.2.5))