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A7R III delete all images


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Hello

 
on the A7R III I do not find how to delete all the images a (it exists on Canon 5D or Leica M), I only find the option to format or select one by one and delete the selection
 
how do you delete all?
 
thank you
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Deleting multiple selected images (Delete)
You can delete multiple selected images. Once you have deleted an image, you cannot restore it. Confirm the image to
be deleted beforehand.
Menu item details
Multiple Img.:
Deletes the selected images.
(1) Select the images to be deleted, then press the center of the control wheel. The
mark is displayed in the check
box. To cancel the selection, press the center again to remove the
mark.
(2) To delete other images, repeat step (1).
(3) MENU → [OK].
All in this Folder:
Deletes all images in the selected folder.
All with this date:
Deletes all images in the selected date range.
All Other Than This Img.:
Deletes all images in the continuous shooting group except the selection.
All in Cont. Shoot Grp:
Deletes all images in the selected continuous shooting group.
Hint
Perform [Format] to delete all images, including protected images.
To display the desired folder or date, select the desired folder or date during playback by performing the following procedure:
(Image Index) button → select the bar on the left using the control wheel → select the desired folder or date using the
top/bottom sides of the control wheel.
If you select a continuous shooting group in [Multiple Img.], all the images in the group will be deleted. To select and delete
particular images within the group, execute [Multiple Img.] while displaying the images within the group.
Note
The protected images cannot be deleted.

The menu items that can be selected vary according to the [View Mode] setting and the selected content

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yes I know , but  always formatting a card is not good

 

Quite the contrary, I would say.

Always storing images and deleting them individually (or collectively) may after time fragment the file system of the card, thus reducing its maximum sustained write transfer rate. It is specifically advised to at least occasionally format a memory card.

 

 

running the formatting procedure does not have any adverse effects

Source of quote.

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Depends on the 'hard drive'.

 

Formatting a spinning disk is a lot different than overwriting a solid state memory card. There's a lot more effort involved formatting a disk than erasing the contents of a chip.

 

I've lost count of the number of times I have formatted my SD cards. Every time I finish uploading my shots to my laptop, I run a format… never had an issue

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Formatting destroys all custom settings, at least it does on a Sony A7Sii. I delete based on the date taken so my custom settings don't get wiped out. I've duplicated the custom settings file on the card to all my other cards so I'm not stranded turning dials and navigating menus after a card change.

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Would you care to enlighten the uninitiated as

to what constitutes this alleged difference? And 

maybe back up your claim with a source other

than yourself?

   

Here's the fact:   

  

Flash-based memory has a limited number

of erase cycles, after which, whatever data

is stored on that segment will not change.   

  

Unlike magnetic storage, nothing written to 

a flash memory ever leaves. Reformatting 

only buries existing data, giving the illusion

that it has been cleared out. Old, unusable,

data is actually accumulating. It's not gone.  

     

This is common knowledge. Your reply is  

confrontational, not worthy of the ease or  

convenience a link. So, I'll leave you to do  

your own googling. I most certainly will not 

"back up" my "claim". "The sky is blue". If 

that conflicts with your beliefs it's not my 

job to "back up" that "claim". Take it or 

leave it. 

      

BTW, here's advice from your own source: 

  

" it is good practice to format memory

cards occasionally (that is, perhaps

once per month). "   

   

In other words, routinely formatting flash

memory to make room for tomorrows work, 

or in hope of more speed, is to be avoided. 

  

It would be better if that source explained 

the "why" of it, but your linked source does

clearly understand the difference between

magnetic and flash memory. It would also 

be good of your source to estimate when 

to pre-emptively cease writing new data to  

a card, based on type of use, reformatting 

schedule etc. Cards due for retirement can   

still serve very well as extra copies of your 

long term "permanent" storage. They can 

keep data indefinitely even when they are 

too old to trust for much more new writing. 

Just use that little sliding physical lock to 

protect it against "un-retirement". 

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I agree that formatting is the best way to keep SD cards healthy.

 

Moreover, it's apparently best to use a dedicated SD formatting tool:

https://www.sdcard.org/downloads/formatter_4/

 

Nowadays, I only format SD cards in the camera. Never lost a card since.

       

   

Given the important difference between magnetic and flash 

memory, and given that OCCASIONALLY reformatting flash 

is cool, a specific special formatting tool seems like a verrry 

good idea.  

  

OTOH, always formatting in-camera, when I do it at all, may 

be the same as, or similar to, such a special formatting tool. 

I have degraded cards formatting on a PC and never do that 

anymore. Gotta agree: ALWAYS in-camera [when needed].  

    

I haven't checked out your linked tool, as I'm trusting to the 

in-camera approach, and to minimizing reformatting [and to 

never using it as a convenience for bulk deletion]. But the 

very existence of such a tool says a lot about flash memory. 

I'm guess such a tool perhaps invokes the "TRIM" function 

to optimize the flash memory. 

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Guest Jaf-Photo

I format whenever the card is nearing full. As I use LR to import and catalogue photos, I set it to not import duplicates. This means LR will only import photos that are new since the last import. So, it doesn't matter if there are older photos still on the card.

 

Obviously, I bring spare cards so I can swap without deleting when they are full. On the whole, managing SD cards is as close to a non-issue as you get.

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thanks but at the end ... is it better to delete all or to format  daily ?

or is it better to delete all and to format once a month ? 

 

i am using my cards each day

   

Like the man said ... is it really an issue ? 

   

But OTOH if you wanna sleep well and avoid

contentious discussions, etc, seems like you

should "Delete All" daily ... or as needed ...

and format monthly. 

   

When to retire a card ? As the price of memory 

is forever falling, replace/retire a card when the

price of newer faster bigger cards makes it a

"no brainer" to upgrade. Chances are that will 

be long before it degrades and becomes risky 

to use, yet economics will favor the upgrade.  

  

Or you can milk a card for all it's worth ... and

then come crying when it bites you in the ass :-( 

   

This assumes you're already using fast 64, 128,

or 256GB cards at present. Anyone using cards 

smaller than that should retire them last year or  

earlier ... at the latest :-) 

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I have the habit, good or bad, of reformatting after importing.  Not a professional so not hanging onto images as back up on the cards.  As a result I have reformatted my cards thousands of times (sometimes three or four times per day) without any issues for over a decade.  I do copy rather than move on import, and of course have lightroom not import previously imported images.  It is just me, I don't like hundreds of images on a card.

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