Shooting a Canon 5dMKII and using a Sandisk Extreme III 8GB CF card.
Can anyone tell me what is going on? I saw the bottom right square of a shot about 2 weeks ago do the same thing (only about 1/6 of the image) and it was the CR2 file only that time as well. Same memory card each time.
Of course it was one of the best shots of the session -- thankfully I shot Raw plus jpeg so I at least have something to work with...
p.1 #4 · uh oh... is this my camera or my memory card???
Thanks for the replies guys - now that I think further about it, the last several times I've uploaded from this card it seems to take a long time for computer to recognize it in my card reader. Hoping it is only the card!
p.1 #5 · uh oh... is this my camera or my memory card???
I've experienced this as well with my Sandisk Extreme III 16 g card and my 7D. It does not happen all the time but intermittently. Do you use a card reader or download directly from your camera?
-Cam
p.1 #6 · uh oh... is this my camera or my memory card???
As a side note, I've made a habit of always formatting my cards when I put them in to start shooting. I think it's a good habit to get into, but that's just me. Helps insure you don't run into the "incorrectly formatted" card issue.
p.1 #7 · uh oh... is this my camera or my memory card???
onegreatcity wrote:
I've experienced this as well with my Sandisk Extreme III 16 g card and my 7D. It does not happen all the time but intermittently. Do you use a card reader or download directly from your camera?
-Cam
I use a card reader. Twice in the last few hundred shots is way too much for me. I'll format it in camera before I use it again.
p.1 #8 · uh oh... is this my camera or my memory card???
ESC in KC wrote:
I use a card reader. Twice in the last few hundred shots is way too much for me. I'll format it in camera before I use it again.
In camera format won't do much. As far as I recall it's only a wipe of the fat table , basically a quick format . A full format on a pc would be better. but it won't cure the issue. I think it's usually a bad memory sector (or whatever cf's have)
Back when I had a 1D and messed up a 4gig card I found a utility that completely wiped a card . Sort of like a low level format.
p.1 #9 · uh oh... is this my camera or my memory card???
ESC in KC wrote:
...I use a card reader. Twice in the last few hundred shots is way too much for me. I'll format it in camera before I use it again.
It can also be a fault in the card reader. Fouled pins, decaying wire, etc. If it happens with a different card then you'll know. Fortunately, readers are pretty cheap these days.
p.1 #12 · uh oh... is this my camera or my memory card???
You guys are the best - thanks so much for taking the time to reply to this thread. I was able to capture the RAW from the camera. I'll post the image as my mini celebration!
p.1 #13 · uh oh... is this my camera or my memory card???
ESC in KC wrote:
You guys are the best - thanks so much for taking the time to reply to this thread. I was able to capture the RAW from the camera. I'll post the image as my mini celebration!
p.1 #17 · uh oh... is this my camera or my memory card???
Andy Keller wrote:
I'm no expert on electronics, but if it's the card reader, why wouldn't it do that to every shot?
It's the bane of every electronics tech's existence; the "intermittent." It makes it hard to diagnose, because it never seems to happen on the bench, only in the field.
If it's a loose or corroded pin, a slight change in angle could cause a signal strength drop; and if one bit is lost the whole sequence gets scrambled.
It's actually quite rare to have a total failure in a reader; it usually starts with one or two mysterious "weird" images, but then gets progressively worse over time.
BTW, "intermittent" was one of the first adjectives to become a noun that I experienced. Short for "intermittent problem" or "intermittent failure" it became just "an intermittent" among telephone company "equipment men," of which my father was one starting in the 1940s.
