30D problem.

Steep

Steep

Nutcrack Rapids
Suspended / Banned
Messages
17,208
Name
Hugh
Edit My Images
Yes
I have been trying some long exposures over the last few days and have come across a problem. Sometimes the camera will save the shot happily, other times it will hang halfway through, the red led is on constantly, the lcd BUSY sign is flashing and the exposure number also. If I leave it it will just keep doing this until the battery runs flat. The only way to stop it is to open the cf card door and that loses the image.

I've tried with different cards of different makes, sizes and speeds but all are the same. There was a post elsewhere by some guy who had the same problem saying that he had a flaky card, but I can't believe 'all' my cards are flakey!

I've not had it crop up on anything other than a long exposure shot.

Anyone else experienced this or heard about it?

/edit tried formatting in camera multiple times for each card.
 
Can't say I've experienced that problem with either camera Steep. The only thing I'd say is that the original versions they sent me of both the 20D and the 1DMK2n were both faulty due to card read issues and had to be replaced. If this is happening with all card types then I'd suspect it's a problem with the camera.

I think you bought it from WE and I've found them as good as gold if there are any problems. I'd give 'em a ring if I were you and discuss it with them. They had my camera picked up by courier the following day and replaced it without any quibble.
 
Has it got the latest firmware installed..

I heard there was new version released not long ago.

May not be the problem but might help..:shrug:
 
I'd start with the firmware too. One easy thing to eliminate.
 
Thanks guys, firmware is already 1.0.5 though. I'm going to try a few things today, one being to format the card in camera and take one shot per card, then two etc..
 
Solved (I think)

Long exposure noise reduction - it seems the longer the exposure the longer the noise reduction takes and since some of my IR exposures are 6 minutes plus....

Anyway I've disabled it and all seems to work fine now, not sure yet how much of an effect the lack of noise reduction will have on my shots though.
 
Steep said:
Long exposure noise reduction - it seems the longer the exposure the longer the noise reduction takes and since some of my IR exposures are 6 minutes plus....
Click to expand...

The length of the noise reduction is the same time as for the exposure, so it effectively doubles the time to take a single photo.

Once the shutter closes it holds your shot in memory and takes another under the same circumstances (well ISO and Tv) of the inside of the shutter so that only the noise caused by imperfections in the sensor are visible. This is then subtracted from the original and it is finally saved. Like the way some cameras and software use a reference picture of sensor dirt and then use it to clean up images.

I have never used it but never seen any real problems to cause me to think I need it, that is exposures only up to a minute and a half though.

Michael.
 
You must log in or register to reply here.
Back
Top