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hi there,

I have found a little dust noise on pictures from my EOS... So I tried to calibrate Dust Delete Data (according to the manual, result: Data obtained and there is calibration date shown in camera menu) but there is no exif data in the puctures taken after this calibration ("Dust Delete Data: No") and therefore there is "apply dust delete data" disabled in th DPP.

Have you seen behavior like this?

EXIF:

Camera Model Name
Canon EOS 400D DIGITAL
Shooting Date/Time
23.4.2008 16:19:08
Tv(Shutter Speed)
0.5Sec.
Av(Aperture Value)
F22
Metering Modes
Evaluative metering
Exposure Compensation
0
ISO Speed
800
Lens
EF-S18-55mm f/3.5-5.6
Focal Length
55,0 mm
Image size
3888 x 2592
Image Quality
Fine
Flash
Off
White Balance
Auto
AF mode
Manual (MF)
Picture Style
Standard
Parameters
Tone Curve : Standard
Sharpness level : -
Pattern Sharpness : -
Contrast : 0
Sharpness : 3
Color saturation : 0
Color tone : 0
Color matrix
-
Color Space
sRGB
File Size
200 KB
Dust Delete Data
No
Drive Mode
Single-frame shooting

Maybe a Canon user can help you. I certainly haven't seen EXIF like that.

But, I'm wondering whether after gathering the data for removing the dust, there might be another control to switch it on. In other words, the camera retains the data, but you have to tell it to apply it to an image.

Is there a menu item that does this?

The EXIF data you have listed is stock standard when tabulated.

There may be a problem in that you have no dust present which would result in no data!

Check this link for further info: http://www.outbackphoto.com/reviews/equipment/canon_400D/Canon_400D_review.html#20061021

sirhc55 wrote:The EXIF data you have listed is stock standard when tabulated.

There may be a problem in that you have no dust present which would result in no data!

Check this link for further info: http://www.outbackphoto.com/reviews/equipment/canon_400D/Canon_400D_review.html#20061021

Thanks a lot. This is my problem (dust is gone after about 5 dust shake-off). I thought that Dust Delete Data are present in EXIF everytime.
So, this is new knowledge.

thanks