Archived posting to the Leica Users Group, 2020/08/28

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Subject: [Leica] SD Card for M Mono Type 1
From: bmwred735i at gmail.com (Frank Filippone)
Date: Fri, 28 Aug 2020 07:50:37 -1000
References: <CAFuU78draMe7AUBJT+8asaJh-6t3Caa9xgiafh=SVaqSxDztXQ@mail.gmail.com> <4823a2b8-3e53-0110-8861-3647162858e3@gmail.com> <CAFuU78ejsgbPpfaKLccfkiEkZY3EAo7-mJ8QhUQGx0VBMCZpZg@mail.gmail.com>

These Sandisk Extreme Pro ( not Plus as I originally wrote...) cards 
work just fine.? Regardless of what Leica said in 2009.? I have an M9 
and an MM ( to be clear, the CCD Monochrome camera) and the cards work 
in both.? Even the 128GB cards.? ( I actually tried a 512GB card, and 
that worked as well.... but I am not sure the camera could "reach" all 
512GB....)

In the early days of SD cards, there really was no standardization in 
specs, and the camera makers incorrectly wrote SW to access the cards in 
specific ways.? So certain cards worked in some cameras and not others.

You can try to find new cards that meet the published specs of the MM or 
you can take my experience and use the Extreme Pro cards, and order then 
on Amazon for $20 each and see what happens......

The 32GB card is $13... 
https://www.amazon.com/SanDisk-64GB-Extreme-UHS-I-SDSDXXY-064G-GN4IN/dp/B01J5RHBQ4/ref=sr_1_1?dchild=1&keywords=sandisk%2Bextreme%2Bpro&qid=1598635524&refinements=p_85%3A2470955011%2Cp_n_feature_two_browse-bin%3A6518305011&rnid=6518301011&rps=1&s=pc&sr=1-1&th=1

This card is 64GB a

https://www.amazon.com/SanDisk-64GB-Extreme-UHS-I-SDSDXXY-064G-GN4IN/dp/B07H9J1YXN/ref=sr_1_1?dchild=1&keywords=sandisk+extreme+pro&qid=1598635524&refinements=p_85%3A2470955011%2Cp_n_feature_two_browse-bin%3A6518305011&rnid=6518301011&rps=1&s=pc&sr=1-1nd
 
170MBPS read speed.....

I have both and use them in my cameras.? They work just fine.

Using a phrase from Ted... KISS.

BTW, you DID ask what works..... and these work.

A little EE background....

The SD card only exists for cards with sizes up to 4GB? ( the original 
spec, and the most problematic from a camera users perspective)

The SDHC Card exists up to 32GB? ( Card Spec issued in 2006)

The SDXC Card exists up to 1TB. (Card Spec issued in 2009)

These limitations are both physical ( the internal physical wiring and 
and connections) as well as SW ( what and how the camera maker designed 
the camera to operate) to access the card.....

BUT you do not know what the maximum capacity a certain camera can take 
because the SW may or may not "reach" further than the stated spec.......

You can put a 1TB card in your MM, but the camera MAY only reach 32Gb of 
data..... and you will not know until you try it.......

Note that only the words tell you what the card is... SD or SDXC or 
SDHC.... they all look the same.......

I could write a lot more, but I am pretty sure everyone has now fallen 
asleep.....






n 8/28/2020 5:00 AM, Lew Schwartz via LUG wrote:

> The MM1 tech sheet states the max size is 32gb and Leica recommends slower
> cards. These cards have failed in the MM1, but not other cameras.
>
> -Lew Schwartz
>
>
> On Thu, Aug 27, 2020 at 1:24 PM Frank Filippone via LUG <lug at 
> leica-users.org>
> wrote:
>
>> Something is corrupted on your card.  (DUH!)
>>
>> Remove card from camera and format it on a computer..... you need to
>> format it in FAT32...... NOT NTFS!!!
>>
>> Then try it again in your camera, formatting it IN CAMERA first.....
>> That SHOULD work.....
>>
>> If not, throw out card..... do not use it for anything..... If it works,
>> throw out card, it has had one fault, and another is right around the
>> corner...THROW IT OUT.
>>
>> Conclusion is that once a card fails once, get rid of it!!  They are not
>> costly enough to take a chance on.
>>
>> I use Sandisk Extreme Plus cards.  I have 16,32,64,128 and 256GB cards.
>> They all work in my MM and M9.  ( and M240 and Nikon D7100, Sony A7,
>> A7ii, and A7rii, and in an adapter for use in my Leaf Hassy back).
>>
>> Amazon has 64GB cards for $20 each..... They are the 100% dependable
>> option.  And cheap.  Speed is 95 or 170 mbps.   Makes no
>> difference.....  The noted speed is the READ speed.  Write speeds are
>> 95MBPS or higher.....  Get the AMAZON supplied cards, not someone else
>> as the seller.... ( I could go into detail, but will not. )
>>
>> Note: In the old days, the cameras were designed "wrongly" and therefore
>> the speed of the card was critical.  The cards too were designed to work
>> "wrongly".  All that is now standardized.
>>
>> On 8/26/2020 5:24 PM, Lew Schwartz via LUG wrote:
>>> I can't get my MM1 started with the same card I stored it away with and
>>> l-forum is telling me that good cards are brand and spec specific. I am
>>> asking for the brand & spec of cards that the lug has used & feel are
>> 100%
>>> reliable.
>>> Here's what I've cobbled together on the spec so far. I doubt if anyone
>> is
>>> making these any more.
>>>
>>> SDHC UHS I 16gb speed <30MB/s (yes, less than).
>>>
>>> -Lew Schwartz
>>>
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>> --
>>
>> *Frank Filippone*
>>
>> *BMWRed735i at Gmail.com*
>>
>>
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug for more information
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
-- 

*Frank Filippone*

*BMWRed735i at Gmail.com*



In reply to: Message from lew1716 at gmail.com (Lew Schwartz) ([Leica] SD Card for M Mono Type 1)
Message from bmwred735i at gmail.com (Frank Filippone) ([Leica] SD Card for M Mono Type 1)
Message from lew1716 at gmail.com (Lew Schwartz) ([Leica] SD Card for M Mono Type 1)