how much time need a 40d to save a raw+jpg file in the cf?

Hi

i got now for some days a 40d
and i would like to know how much time need to store/save a photo (raw+jpg high quality ) in the cf

i would appreciate , because looks slow and i guess maybe it's the cf that's slow

thanks

I never had any trouble with my 40D saving RAW and JPG to a SanDisc CF card in high burst mode. The files were small enough for the buffer to keep up.

That depends upon which card you use. It's not possible to specify the write speed without also specifying the card.

As apersson850 points out.. Precise measurements depend on the speed of the card.

To see how long it takes for your card/camera combination to save the data, just take a picture and watch the little red LED by the CF card cover. That LED is there to let you know that the camera is writing to the CF card. When the light is on, the camera is saving data. When it goes out, the process is over.

It's been a while since I had a 40D, but I seem to recall that the camera couldn't write any faster than 20 MB/s. So any card faster than this (133x) isn't going to make any difference.

You also need to remember that the first set of shots will be written to the buffer - where ard speed will make no difference at all.

James P wrote in post #15259453
I never had any trouble with my 40D saving RAW and JPG to a SanDisc CF card in high burst mode. The files were small enough for the buffer to keep up.

apersson850 wrote in post #15259481
That depends upon which card you use. It's not possible to specify the write speed without also specifying the card.

Jim_T wrote in post #15259508
As apersson850 points out.. Precise measurements depend on the speed of the card.

To see how long it takes for your card/camera combination to save the data, just take a picture and watch the little red LED by the CF card cover. That LED is there to let you know that the camera is writing to the CF card. When the light is on, the camera is saving data. When it goes out, the process is over.

i use lexmark pro 133x
but i guess it keeps 2 or 3 second to save for picture(raw+jpg)

is normal?

thanks

hollis_f wrote in post #15259568
You also need to remember that the first set of shots will be written to the buffer - where ard speed will make no difference at all.

do you mean if i take 1 or 2 shots they go in the buffer ?

thanks

All photos goes to the temporary buffer first. Then the camera flushes the buffer out to the memory card when it has the time to do that. So it's true that the max framerate of the camera is unaffected by the speed of the memory card. What changes is the time it takes the camera to again be ready for shooting, after filling the buffer up.

If it takes 2-3 seconds for a single image, then that is way too slow.

This is just a shot in the dark...I had a 40D, but I cannot remember if the body allowed for "in-camera" noise reduction. If the 40D does allow for such, check to see if it is turned on. When it is turned on, it takes longer for the images to be written to the card because the camera processes out the noise before sending the data off to the card.

Just checked. The 40D does have in camera noise-reduction.
From Canon 40D manual...check page 156. Then check the custom function menu in the camera to see if it is enabled.

http://gdlp01.c-wss.com …08236/01/EOS40D​_HG_EN.pdf

I'm not positive this is it, but I would definitely take a look.

PUREBRAD wrote in post #15261058
If it takes 2-3 seconds for a single image, then that is way too slow.

This is just a shot in the dark...I had a 40D, but I cannot remember if the body allowed for "in-camera" noise reduction. If the 40D does allow for such, check to see if it is turned on. When it is turned on, it takes longer for the images to be written to the card because the camera processes out the noise before sending the data off to the card.

PUREBRAD wrote in post #15261091
Just checked. The 40D does have in camera noise-reduction.
From Canon 40D manual...check page 156. Then check the custom function menu in the camera to see if it is enabled.

http://gdlp01.c-wss.com …08236/01/EOS40D​_HG_EN.pdf

I'm not positive this is it, but I would definitely take a look.

noise is disabled
updated : enabled view photo after shot , formated the cf with the pc and and after with the camera -> less then 1 second after the shot to watch the photo in the monitor
changed cf , a new one -> less then 1 second
i guess it was a cf proble
less then 1 second should be ok?
thanks