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Post by hmca on Aug 13, 2017 1:53:30 GMT
I have only recently learned that I shouldn't delete pictures from my memory card in camera. Here is an interesting article that explains why you shouldn't do that as well as other things related to your camera's memory cards. |
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Post by cats4jan on Aug 13, 2017 8:59:20 GMT
I buy smaller memory cards and use them as backup. I copy the photos to the computer and then put the media card away as my secondary source. Besides, if I have a card failure, I've only lost part of my vacation photos because I've changed cards more than once during the trip.
BTW - I just recently discovered that if you have a card reader on your multi-function printer, you can scan directly from the scanner function of your printer onto your media card without using your PC. I then copy the photos to the PC and I have my back-up.
Realize that because people want the larger media cards, the smaller ones are cheap and readily available in multi packs.
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Post by whippet on Aug 13, 2017 20:20:30 GMT
Oh dear. I delete mine after every use - even if I have only taken one picture.
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Deleted
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Post by Deleted on Aug 13, 2017 20:36:06 GMT
Yep, it is never a good idea to delete photos directly in camera. However, always make sure you do format the memory card in camera before you start shooting!!
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bnk1953
Junior Forum Member
Posts: 184 
Open to constructive criticism of photos: Yes
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Post by bnk1953 on Aug 13, 2017 20:36:27 GMT
The key is that you FORMAT the card in YOUR CAMERA after you have downloaded the photos to someplace else. Just leave the unwanted files on the card until after you have downloaded them. In my case - I download onto my photo hard drive (4 TB) and then filter out the bad photos. Then I immediately back up this hard drive onto another external hard drive. Using individual cards as back-ups is a good idea - but for me - I would have too hard of a time keeping track of what files are on what memory card. When you Format the card in your camera - that resets the card and "deletes" the photos.
~bruce.
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Deleted
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Post by Deleted on Aug 13, 2017 20:40:54 GMT
The key is that you FORMAT the card in YOUR CAMERA after you have downloaded the photos to someplace else. Just leave the unwanted files on the card until after you have downloaded them. In my case - I download onto my photo hard drive (4 TB) and then filter out the bad photos. Then I immediately back up this hard drive onto another external hard drive. Using individual cards as back-ups is a good idea - but for me - I would have too hard of a time keeping track of what files are on what memory card. When you Format the card in your camera - that resets the card and "deletes" the photos. Bruce, that is exactly what I do as well! I don't think it is a good idea to keep files on a memory card long term as a back-up, just too much chance of corruption. The best policy is to have your photos on several external hard drives; even a cloud based service if needed. |
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Post by Andy on Aug 14, 2017 10:23:45 GMT
Multiple backups (preferably with a geographic separation) is the best. In my case:
- When I import photos from the SD cards into Lightroom, they go both to my working hard drive and a second copy is made to my backup drive.
Any files I clean up (badly out of focus, etc.) are removed from the working hard drive. Working hard drive is backed up to another hard drive and to a cloud-based backup provider
Backup drive with untouched originals is also backed up periodically to that other drive.
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Post by Bailey on Mar 1, 2018 11:31:45 GMT
I have stumbled across this thread, so I will add my 2c worth.
On a Canon camera there are 2 types of format for the media card - "plain vanilla" and Low Level Format. Other camera brands will most probably also have 2 types of formatting.
The plain format will just clear the File Allocation Table (FAT) on the card, which is just the card's index to where the images are stored on it, and not delete the actual images on the card. So after plain formatting your camera will show maximum space available on the card and new photos taken after the plain format will, over time, overwrite the old images still on the card.
Low Level Format clears the FAT and deletes all the photos from the card. I always do a Low Level Format (it takes only about 1-2 seconds longer than a plain format) since it keeps the card "healthier".
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Post by fotofrank on Mar 1, 2018 15:15:35 GMT
Just a note - Canon has a low lever format, which they do not recommend using unless you are having memory card issues, other cameras do not.
Moving your image to a hard drive and backup is the best thing to do before formatting your Memory card in camera. I'm not sure that the low lever format keeps the card healthier as most camera don't have that as an option.
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Post by Peterj on Mar 1, 2018 15:38:51 GMT
Oh dear. I delete mine after every use - even if I have only taken one picture. I delete an occasional image using the camera, but I always reformat the card IN THE CAMERA once it reaches 50% or better. REALLY A BAD IDEA!
I'm working with another photographer who told me it was ok for me to use his card in my computer to create a directory and write a few of my images there for him. Luckily nothing happened to his images already on the card, but none of my images showed up on his card when he wanted to use them. |
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Post by Bailey on Mar 1, 2018 21:57:05 GMT
Just a note - Canon has a low lever format, which they do not recommend using unless you are having memory card issues, other cameras do not. Moving your image to a hard drive and backup is the best thing to do before formatting your Memory card in camera. I'm not sure that the low lever format keeps the card healthier as most camera don't have that as an option. Page 46 of my Canon manual, says you can do low level formatting when reading or writing speed seems slow OR if you want to erase all data/images on the card. The low level format keeps the card "healthier" by returning it as close as possible to the original factory condition. Without a low level format I believe the chances of corrupting sectors on the card or other types of faults increases (I don't know by how much) due to overwriting sectors which already have old redundant data in them. For years now, I have routinely used low level format after copying photos to a hdd and into PSE and then backing up the PSE catalogue to ensure I have at least 2 copies of the photos before I reformat my card. So far I have never had a problem with low level formatting my cards.  |
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Post by fotofrank on Mar 1, 2018 22:44:49 GMT
I am truly glad you do a low level format and have never had an issue. I have never done anything other than the format in the camera and never encountered an issue. The original factory state of a card is generic, unless you are buy cards already formatted for Canon? All new cards need to be formatted for your camera.
The low level format ensures that you can never recover any data accidentally formatted - not a healthier card.
If low level format was the preferred option, it would be the standard, not an option that you have to select.
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Post by Bailey on Mar 2, 2018 1:48:40 GMT
I am truly glad you do a low level format and have never had an issue. I have never done anything other than the format in the camera and never encountered an issue. The original factory state of a card is generic, unless you are buy cards already formatted for Canon? All new cards need to be formatted for your camera. The low level format ensures that you can never recover any data accidentally formatted - not a healthier card. If low level format was the preferred option, it would be the standard, not an option that you have to select. I feel Low Level Format might not be an option on some cameras because some camera manufacturers might want to guarantee the possibility of recovering data from cards after they have been reformatted and before the old data has been overwritten. Also there might be a slight cost saving for the camera manufacturer. At least with Canon, you have the option rather than have some manufacturers restrict what you can and can't do. I am diligent in my workflow and so ensure I have at least 2 copies of photos in addition to those on the card before reformatting my cards as I mentioned earlier. Maybe I am in the minority, who knows!? So deleting all images on my card with a Low Level Format is not an issue for me and is my preferred option because the card is "healthier" because of the reasons I mentioned in an earlier post. Clearly, Canon users who are uncomfortable with deleting all the old images when formatting their cards can simply just do a "standard" format and take their chances if they ever need to recover old data from a card.. |
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Post by Bailey on Mar 14, 2018 2:48:18 GMT
I was talking to a photographer on the weekend and he gave me a really good reason why Low Level Format is a good option. If you ever lend or even sell your camera and either deliberately or accidentally leave your camera card in the camera, it's possible the borrower or buyer could get access to photos that are still available on the card after just a standard format. Those photos might or might not be very personal  . Just some more food for thought  |
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Post by BuckSkin on Apr 1, 2018 5:28:42 GMT
I have only recently learned that I shouldn't delete pictures from my memory card in camera. I buy smaller memory cards and use them as backup. I copy the photos to the computer and then put the media card away as my secondary source. Besides, if I have a card failure, I've only lost part of my vacation photos because I've changed cards more than once during the trip. Since day one, we have kept our SD cards as a last line of defense; the only snag being that the images are the originals and do not reflect the many hours of editing/enhancing that we do. That being said, I will relate some of our hard-learned SD card lessons from the days when we had absolutely no idea what we were doing; no computers, no available internet to learn any better, just a digital point-&-shoot that only recognized a 1GB card; if you put a bigger capacity card in it, it only recognizes 1GB and ignores the rest. When we took pictures, the wife took the SD card to Mega-lo-mart and had them printed. If a relative gave her some scans of old family photos, or maybe some new jpegs, they got copied right onto that -- ONLY -- SD card that we owned, right into the same folder that the camera was trying to put it's images in. We would immediately investigate each image at the moment of capture and delete any that did not meet approval. Then, after a couple months of such behavior, we started receiving prints that had the bottom fourth or so shifted out of kilter and much lighter than the top portion; there would be two stripes across the length of the image, a dark brown and a grey, separating the good upper portion from the corrupted lower portion. On the extreme left edge of the bottom, the right 2/3 of the image data would start, with the bottom-left 1/3 or so tacked on the lower right, and the whole corrupted mess about fifteen shades lighter than the upper portion. Dumb as we were, we thought the camera was doing this. We might take fifty pictures and it not happen once; then, it might be scattered randomly throughout a group of images; then, it might corrupt two hundred images consecutively. Now that we know better, besides our good DSLRs, we still have that old HP point-&-shoot, and it will take pictures with the best of them, and we haven't gotten a corrupted image since. So, the moral of that story is, don't mix other data on a camera's card and DO NOT delete images in-camera. On the other hand, I have often read that one should not fill a card to capacity, but instead quit taking pictures at about 80%; I can only speak for our Canons and Transcend SD cards; we have repeatedly filled our cards to the stopping point and I have yet to see any ill effects, and we take tens of thousands of pictures. |
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. Just some more food for thought 
