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Olympus OM-D E-M1 Mark II The second Micro Four Thirds camera that offers phase detect focusing so you can use Four Thirds DSLR lenses normally as well a Micro Four Thirds lenses.

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Old 18th August 2019
fred59 fred59 is offline
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Photo File Numbers

Hi not sure if this is the right area to ask....i am new to the Olympus set up after many years with the 'others', all my photos are taken in RAW but when the files are down loaded i get the normal file with 7 numbers plus ORF but some appear to have a 'P' preceding the 7 the seven numbers...simple question is what does the 'P' mean, the particular photos were taken in Auto...is this what it means, i know it sounds silly but cannot find nothing in the manual...unless i have missed it. thanks in advance
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Old 18th August 2019
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Re: Photo File Numbers

***Edit - this is not quite correct, sorry. Please see Invicta's post below this one***

Unless you change it, I think the file names are xmddnnnn where:

x is P for JPEG files and _ (underscore) for raw files
mdd - the date as month - day - day (Oct to Dec as A to C for the month)
nnnn - four-digit sequence number

There are options to change some things in the menu. For example, I think by default the number will reset to zero when you reformat the card. There is an option somewhere to tell it to carry on sequentially. Changing the first letter is not quite straightforward, I think it has some strange dependency on which colour space you use, but it should all be there in the book if you are interested.

John

Last edited by Bikie John; 18th August 2019 at 10:23 PM. Reason: Correcting errors
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Old 18th August 2019
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Re: Photo File Numbers

Olympus naming convention follows the standards and uses different names to denote different colour spaces. So files beginning with a P are taken in sRGB and those beginning with a _ are taken in Adobe RGB. You can change the four parts in Pmdd but only change the mdd part in _mdd.
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Old 18th August 2019
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Re: Photo File Numbers

Ah yes, sorry, my mistake. I changed mine so long ago that I'd forgotten the details!

John
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Old 18th August 2019
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Re: Photo File Numbers

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Originally Posted by Bikie John View Post
Unless you change it, I think the file names are xmddnnnn where:

x is P for JPEG files and _ (underscore) for raw files
mdd - the date as month - day - day (Oct to Dec as A to C for the month)
nnnn - four-digit sequence number

There are options to change some things in the menu. For example, I think by default the number will reset to zero when you reformat the card. There is an option somewhere to tell it to carry on sequentially. Changing the first letter is not quite straightforward, I think it has some strange dependency on which colour space you use, but it should all be there in the book if you are interested.

John
And since this is in the E-M1 II forum then the settings are in Menu H1. The first three menu items are:-
Card Slot Settings - Determines order of saving etc (I have mine Slot 1 Stills & Slot 2 video with Auto overflow)
File Name - set to Auto for continuing numbering (resets to zero if not on Auto)
Edit Filename - as it is titled (I use different first characters for my different Olympus cameras to separate files from each camera)

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I fiddle with violins (when I'm not fiddling with a camera).
Flickr: https://www.flickr.com/photos/ross-the-fiddler/
Cameras: OM-D E-M1 & Mk II, Olympus Stylus 1, OM-D E-M5.
Lenses: M.ZD7-14mm f2.8 PRO Lens, M.ZD12-40mm f2.8 PRO Lens, M.ZD40-150mm f2.8 PRO Lens, MC-14, MC-20, M.ZD45mm f1.8, M.ZD12-50, M.ZD60 Macro, M.ZD75-300 Mk II, MMF-3, ZD14-54 II, Sigma 150mm F2.8 APO Macro DG HSM.
Flashes: FL36R X2, FL50R, FL50.
Software: Capture One Pro 10 (& Olympus Viewer 3).
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Old 19th August 2019
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Re: Photo File Numbers

Ross I use the same card settings as you do but I do find if I let the camera roll over itself from one card to the second by filling the first card even when I've emptied the cards the file save setting has been permanently changed to store to card 2. I have to go in and reset it to card 1 again. Does yours do the same thing?
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Old 19th August 2019
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Re: Photo File Numbers

One thing to consider, when using multiple camera bodies, is to ensure that there is no duplication of filenames from the same photo shoot.
When I get home from an outing, I tend to copy all files to the same hard drive folder, generated from date and location.
Having recently taken delivery of a new E-M1 Mk2, I re-formatted all my cards and wandered out looking at dragonflies. On returning home I found I'd got three different photos all with the same filename P900001; fortunately I realised and put them in different folders, where I used a DOS command prompt to change the numbering in bulk.

I had noticed before, that one of the firmware updates, which removed all personal settings, also re-set the file names back to the initial numbering.

Since I only use sRGB, I've currently set each of my camera bodies with a different letter prefix.

Does anyone have any better solutions?
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Re: Photo File Numbers

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Originally Posted by Phill D View Post
Ross I use the same card settings as you do but I do find if I let the camera roll over itself from one card to the second by filling the first card even when I've emptied the cards the file save setting has been permanently changed to store to card 2. I have to go in and reset it to card 1 again. Does yours do the same thing?
Yes, once it has overflowed it doesn't matter if you clear the first card it will continue on the 2nd until the card management has been set again. Also, if you take the Slot 1 card out & switch the camera on it will lose it too, requiring resetting the desired settings again after cards are back in.
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I fiddle with violins (when I'm not fiddling with a camera).
Flickr: https://www.flickr.com/photos/ross-the-fiddler/
Cameras: OM-D E-M1 & Mk II, Olympus Stylus 1, OM-D E-M5.
Lenses: M.ZD7-14mm f2.8 PRO Lens, M.ZD12-40mm f2.8 PRO Lens, M.ZD40-150mm f2.8 PRO Lens, MC-14, MC-20, M.ZD45mm f1.8, M.ZD12-50, M.ZD60 Macro, M.ZD75-300 Mk II, MMF-3, ZD14-54 II, Sigma 150mm F2.8 APO Macro DG HSM.
Flashes: FL36R X2, FL50R, FL50.
Software: Capture One Pro 10 (& Olympus Viewer 3).
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Re: Photo File Numbers

Quote:
Originally Posted by peak4 View Post
One thing to consider, when using multiple camera bodies, is to ensure that there is no duplication of filenames from the same photo shoot.
When I get home from an outing, I tend to copy all files to the same hard drive folder, generated from date and location.
Having recently taken delivery of a new E-M1 Mk2, I re-formatted all my cards and wandered out looking at dragonflies. On returning home I found I'd got three different photos all with the same filename P900001; fortunately I realised and put them in different folders, where I used a DOS command prompt to change the numbering in bulk.

I had noticed before, that one of the firmware updates, which removed all personal settings, also re-set the file names back to the initial numbering.

Since I only use sRGB, I've currently set each of my camera bodies with a different letter prefix.

Does anyone have any better solutions?
I've been setting up all my Olympus cameras with different prefixes ever since E520 & E30 models, including the Stylus models. They all have their own unique 1st character to avoid that doubling issue & also, set to Auto numbering to continue & not resetting to zero with a new card (I had to learn the hard way in the beginning though).
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I fiddle with violins (when I'm not fiddling with a camera).
Flickr: https://www.flickr.com/photos/ross-the-fiddler/
Cameras: OM-D E-M1 & Mk II, Olympus Stylus 1, OM-D E-M5.
Lenses: M.ZD7-14mm f2.8 PRO Lens, M.ZD12-40mm f2.8 PRO Lens, M.ZD40-150mm f2.8 PRO Lens, MC-14, MC-20, M.ZD45mm f1.8, M.ZD12-50, M.ZD60 Macro, M.ZD75-300 Mk II, MMF-3, ZD14-54 II, Sigma 150mm F2.8 APO Macro DG HSM.
Flashes: FL36R X2, FL50R, FL50.
Software: Capture One Pro 10 (& Olympus Viewer 3).
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Old 19th August 2019
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Re: Photo File Numbers

Quote:
Originally Posted by peak4 View Post
One thing to consider, when using multiple camera bodies, is to ensure that there is no duplication of filenames from the same photo shoot.
When I get home from an outing, I tend to copy all files to the same hard drive folder, generated from date and location.
Having recently taken delivery of a new E-M1 Mk2, I re-formatted all my cards and wandered out looking at dragonflies. On returning home I found I'd got three different photos all with the same filename P900001; fortunately I realised and put them in different folders, where I used a DOS command prompt to change the numbering in bulk.

I had noticed before, that one of the firmware updates, which removed all personal settings, also re-set the file names back to the initial numbering.

Since I only use sRGB, I've currently set each of my camera bodies with a different letter prefix.

Does anyone have any better solutions?
Pretty similar to what I do. I used to specify Adobe RGB colour space but, as Invicta points out above, that imposes some restrictions on what you can rename to. I like having the date as part of the file name, and the colour space setting only affects the JPEG files. I only use raw so I switched back to sRGB and just change the first letter to be unique for each new body. I'm up to H now

I also prefer to let the sequence number run on rather than resetting.

John
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  #11  
Old 19th August 2019
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Re: Photo File Numbers

Quote:
Originally Posted by Bikie John View Post
Pretty similar to what I do. I used to specify Adobe RGB colour space but, as Invicta points out above, that imposes some restrictions on what you can rename to. I like having the date as part of the file name, and the colour space setting only affects the JPEG files. I only use raw so I switched back to sRGB and just change the first letter to be unique for each new body. I'm up to H now

I also prefer to let the sequence number run on rather than resetting.

John
I should have adopted an alphabetic method myself instead of some random naming, but I think the E30 is still P, E-M5 is O, E-M1 is M & E-M1 II is K. Crazy, I know, but then my Stylus 1 got S (of course) & my wife's Stylus 1s got R (for her name). Nobody else could relate to my naming I guess, but at least I (think) I can remember each one.
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I fiddle with violins (when I'm not fiddling with a camera).
Flickr: https://www.flickr.com/photos/ross-the-fiddler/
Cameras: OM-D E-M1 & Mk II, Olympus Stylus 1, OM-D E-M5.
Lenses: M.ZD7-14mm f2.8 PRO Lens, M.ZD12-40mm f2.8 PRO Lens, M.ZD40-150mm f2.8 PRO Lens, MC-14, MC-20, M.ZD45mm f1.8, M.ZD12-50, M.ZD60 Macro, M.ZD75-300 Mk II, MMF-3, ZD14-54 II, Sigma 150mm F2.8 APO Macro DG HSM.
Flashes: FL36R X2, FL50R, FL50.
Software: Capture One Pro 10 (& Olympus Viewer 3).
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Old 19th August 2019
DerekW DerekW is offline
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Re: Photo File Numbers

I increment the leading character each year (sometimes sooner if I take a lot of pictures) the two cameras each have a unique leading character.
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Old 19th August 2019
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Re: Photo File Numbers

I always shoot raw but have the colour space set to Adobe RGB just in case I ever swtich to JPG, hence all my files start with '_'.

I never change the name from its standard setting and don't see the need as Lightroom allows me to filter on camera model and serial number.
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