Archived posting to the Leica Users Group, 2015/05/05

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Subject: [Leica] New M(246) Outputs 12 bit Files
From: john at mcmaster.co.nz (John McMaster)
Date: Wed, 6 May 2015 03:29:08 +0000
References: <3623874.1430881461154.JavaMail.root@elwamui-darkeyed.atl.sa.earthlink.net> <5549860C.3010707@lighttube.net>

>From some comments it seems the colour CMOS sensor is a variable 12 bit, 
>not such an issue over the different colours but possibly an issue when the 
>bayer filter is removed. The M is not the fastest of cameras when compared 
>to other marques ;-)

john

-----Original Message-----

Wouldn't it also affect write speeds?  What if Leica puts more value on 
speed than on bit depths?

Jim Nichols
Tullahoma, TN USA

On 5/5/2015 10:04 PM, Doug Herr wrote:
> Sometimes the published bit depth has more to do with marketing than 
> anything else.
>
> Doug Herr
> Birdman of Sacramento
> http://www.wildlightphoto.com
> http://doug-herr.fineartamerica.com
>
>
> -----Original Message-----
>> From: Richard Man <richard at richardmanphoto.com>
>> Sent: May 5, 2015 6:01 PM
>> To: Leica Users Group <lug at leica-users.org>
>> Subject: Re: [Leica] New M(246) Outputs 12 bit Files
>>
>> The "bit-depth" is not dependent on the format. If 12 bits is good 
>> enough for 35mm sensor, then it would be good enough for medium 
>> format sensor, and vice versa.
>>
>> Note that I have not said what I think personally on the technical merits.
>> I am just giving out the perspective that the decision is almost 
>> certainly financial related rather than based on technical analysis.
>>
>> On Tue, May 5, 2015 at 5:49 PM, Mark Rabiner <mark at rabinergroup.com> 
>> wrote:
>>
>>> 16 bit it says on this phase one achromatic plus monochrome but 
>>> medium format seems to have more bits involved or am I wrong?
>>>
>>>
>>> On 5/5/15 8:01 PM, "Bob Adler" <rgacpa at gmail.com> wrote:
>>>
>>>> No doubt PhaseOne came to the same conclusion...
>>>> http://www.achromaticplus.com/Achromatic_Plus/The_Back.html
>>>>
>>>> not...
>>>>
>>>> On Tue, May 5, 2015 at 4:37 PM, Mark Rabiner 
>>>> <mark at rabinergroup.com>
>>> wrote:
>>>>> I think what will happen is they will put two large prints up side 
>>>>> by
>>> side
>>>>> one with the old 14 bit camera and the other with the new 12 bit 
>>>>> and the new camera will of course blow the old one right out of 
>>>>> the water these
>>> people
>>>>> did not wake up one morning all of a sudden stupid.
>>>>> The interesting thing will be what the mitigating factors might be 
>>>>> and
>>> how
>>>>> they are put in place.
>>>>> Is bit depth less of an issue with only one channel than three? 
>>>>> (RGB) Whatever it is the proof will be  in the pudding and they've 
>>>>> already see and tasted the  pudding. They'll give us a taste when 
>>>>> they get around to it.
>>>>> But
>>>>> I do think plenty of people will be blown over by rather large 
>>>>> glowing monochrome prints from this camera which will be a life 
>>>>> changing experience.
>>>>> A new paradigm creating kind of thing. And we'll see those soon.
>>>>>
>>>>>
>>>>> On 5/5/15 12:12 PM, "Bob Adler" <rgacpa at gmail.com> wrote:
>>>>>
>>>>>> I don't think you need to sign it. It's open for all to view. A 
>>>>>> longer
>>>>> way
>>>>>> to get there is:
>>>>>>
>>>>>> Go to www.getdpi.com you will see Jono Slacks article about the 
>>>>>> new Monochrom. Then click on the getDPI Forums.
>>>>>> Then scroll down to the Leica link Post #47 under The New 
>>>>>> Monochrom - a fine report
>>>>>>
>>>>>> Hope this helps...
>>>>>>
>>>>>>
>>>>>> On Tue, May 5, 2015 at 9:01 AM, Steve Barbour 
>>>>>> <steve.barbour at gmail.com
>>>>>> wrote:
>>>>>>
>>>>>>>> On May 5, 2015, at 8:58 AM, Tina Manley <tmanley at gmail.com> 
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>> This webpage is not available
>>>>>>> it is available, perhaps you have to sign in some-how.....
>>>>>>>
>>>>>>>
>>>>>>>> Tina
>>>>>>>>
>>>>>>>> On Tue, May 5, 2015 at 11:32 AM, Robert Adler 
>>>>>>>> <rgacpa at gmail.com>
>>>>> wrote:
>>>>>>>>> See post #46 by Jono Slack:
>>>>>>>>>
>>>>>>>>>
>>> http://www.getdpi.com/forum/leica/54592-new-monochrom-fine-report.ht
>>> ml#post63
>>>>>>> 9690
>>>>>>>>> Curiouser and curiouser...
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Bob Adler
>>>>>>>>> www.robertadlerphotography.com
>>>>>>>>>
>>>>>>>>> 


In reply to: Message from wildlightphoto at earthlink.net (Doug Herr) ([Leica] New M(246) Outputs 12 bit Files)
Message from jhnichols at lighttube.net (Jim Nichols) ([Leica] New M(246) Outputs 12 bit Files)