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Old 10-22-2007, 04:08 PM
BillyGarrett BillyGarrett is offline
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Image Failure or Card Failure?????

I do not know if this was a card failure or an inquire problem.

Last week I photographed a simple wedding. In the middle of the day, available light in the church was good, not the best but good. The Minister stated that no pictures can be taken inside the church while the service is going on. So, to make things interesting for the wedding, the a/c was not working and it was hot inside the church. This lead to leaving the doors open, so I photographed into the church with a long lens. (The minister gave me his blessing to shoot from outside the church). The images came out looking good on the preview of the camera. However, when I acuired the pictures that I normally do with acdc pro. The images came up on the monitor as if they where drug through a sand pit. Very grainy and the images had a look as if they were dull and lacking detail.

So, I only down loaded that one card. When I saw that there was a problem with those images that I had already moved onto the hard drive. I attempted to use the image rescue for the lexar cards and try re-downloading them. I have done this before w/o any problems. However, this is the first time that I had tried to rescue raw images. And when I did finish the image rescue on the card. Instead of the orginal file structure. I got tiff images instead, which when enlarged beyond the first attempt. They where extremely pixalated. Does this happen when you rescue raw images, that they fault to a tiff format. Below are the camera and card info on the pictures taken.

Camera - Nikon d2x, card - lexar pro 2gb 133x speed. Import software - acdc pro. Film speed 1600, shutter speed 125th, and lens sit at 4.0. Used acdc's copy to folder from the card - and when copied and than viewed is when I had the problem. Most of the pictures effected where from then cermoney portion. TOOO grainy to use. The image was worse after the rescue. All other mages taken on other cards where normal.

  

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White Balance so easy, even our 5 year old can do it.- Melissa Strickland

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Old 10-22-2007, 04:16 PM
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Dennis_Vied Dennis_Vied is offline
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Re: Image Failure or Card Failure?????

Off hand I would say that the pixilation makes me think that you're actually looking at the imbedded thumbnails and not the actual RAW images. It could be that the rescue software took the thumbnails instead of the original RAWs, either that, or you're viewing the thumbnails and not the actual RAWs.

It sounds to me like you don't really need the rescue software. You are able to get the images off the card without it. It's just that you're not happy with them. I'm guessing that there was enough flare in the lens shooting the way you were doing that it caused enough degradation of the image that you find it unusable.

I'm strictly guessing here. Just my 2 cents.
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Old 10-22-2007, 11:05 PM
BillyGarrett BillyGarrett is offline
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Re: Image Failure or Card Failure?????

Dennis,

No the images made it off the card, however something occured on this card to make the images none printable. With the grainness, the images also look as if a window screen imprint was placed over the images. I shot 4 other cards and all of those images came out without any problems.

I get your point on the thumbnails, but there isn't any info on the card until I rescued it. The bad part is that the images taken with a flash looks just like the available light image. All 50 images have the nasty grainy effect over the images. iso ranged from 100-1600. Anyway I will play and see what I can do.

thanks Dennis

billy g
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billy garrett photography
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804.854.3453
804.725.5669
bgpix@wildblue.net
www.myspace.com/resqbill

White Balance so easy, even our 5 year old can do it.- Melissa Strickland

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Old 10-25-2007, 07:14 PM
John_Vito John_Vito is offline
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Re: Image Failure or Card Failure?????

Billy,

Read my post about my saga recovering corrupted card/images:

Help Sandisk Card Corrupt !!!!

Bottom line is Image Rescue might not be up to snuff to recover your images properly. Sounds like you are seeing the embedded jpeg at very low resolution and no exposure correction hence the grainy and dark look to the files.

For my saga I used at first RescuePRO and the app recovered the jpg embedded thumbnails and file size was said to be the proper raw size of 8MB but was really under 100k...just to add to the confusion.

Read my original post for all the gory details...

I used a new to me recovery software - Photorescue - I used the demo version and it did recover the images, I just couldn't save the images cause it's a demo...but I had the option to make a disk image file of the recovered card which I did (just in case the card became unreadable or unmountable...I recommend). I then purchased the Expert version 2.1 for $29.00. and was able to recover the image files on the disk image.

Photorescue is designed to ignore small embedded jpegs.

PhotoRescue Home Page - PhotoRescue Wizard, PhotoRescue Expert, PhotoRescue Advanced

Hope all this helps!

White Balance so easy, even our 5 year old can do it.- Melissa Strickland


Last edited by John_Vito; 10-25-2007 at 07:28 PM.
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