Canon preview problem

Kayleigh · #1 (**permalink**) 12-04-2011, 10:04 PM

I recently got a new macro lens for my canon and when trying to look at the preview to look through the images the camera went a bit funny as it refused to preview the shots and got a bit confused and started flashing the program it was on the figures started to go up and down.
It sort of malfunctioned could this be the lens or the camera it has not done it since.
Could I have confused it..
I turned the camera off then back on again and took another shot and it was OK then it happened again but when I turned it off it worked properly again and could preview the shots I had taken..

Any ideas...

Cheers Elaine

nightshade · #2 (**permalink**) 13-04-2011, 06:52 AM

Which lense do you have Elaine?

Kayleigh · #3 (**permalink**) 13-04-2011, 11:38 AM

The lens is second hand but immaculate condition its a macro 100mm f/2.8 Canon.
This only happened the once I changed lenses to the tamron 70-300mm took lots of shots then put the macro back on and its been fine since..

Geoff F · #4 (**permalink**) 13-04-2011, 08:34 PM

Sometimes with this type of strange effect, removing then replacing the battery does help.

I find that giving my equipment a 'strong talking to' often helps - at least I feel better afterwards.

Kayleigh · #5 (**permalink**) 13-04-2011, 09:58 PM

Quote:

Originally Posted by Geoff F

Sometimes with this type of strange effect, removing then replacing the battery does help.

I find that giving my equipment a 'strong talking to' often helps - at least I feel better afterwards.

As I was going to be using the camera a lot at the weekend I did change the battery it was not fully discharged but wasn't far off this possibly helped it.

freiston · #6 (**permalink**) 13-04-2011, 11:10 PM

Don't make the mistake I [think I] did and forget to switch the camera off for the lens-change - I think I trashed an old model Tamron 70-300 that way - I'm still not sure. iirc, afterwards, it would only work with aperture wide open and [therefore] with camera set to Av or M - any variation and the camera would 'crash' and need to be reset by refitting the battery.

A very old Sigma lens with incompatible chip that I had always gave an error 99 - the Canon code for unspecified error. In the early days of Canon DSLRs, some older third-party Canon AF-fit lenses weren't compatible on account of the [micro]chip in the lens - typically Sigma lenses. I haven't heard of compatibility problems with third-party lenses for a long time so I'm hoping it really is an historical problem.

Kayleigh · #7 (**permalink**) 13-04-2011, 11:18 PM

Quote:

Originally Posted by freiston

Don't make the mistake I [think I] did and forget to switch the camera off for the lens-change - I think I trashed an old model Tamron 70-300 that way - I'm still not sure. iirc, afterwards, it would only work with aperture wide open and [therefore] with camera set to Av or M - any variation and the camera would 'crash' and need to be reset by refitting the battery.

A very old Sigma lens with incompatible chip that I had always gave an error 99 - the Canon code for unspecified error. In the early days of Canon DSLRs, some older third-party Canon AF-fit lenses weren't compatible on account of the [micro]chip in the lens - typically Sigma lenses. I haven't heard of compatibility problems with third-party lenses for a long time so I'm hoping it really is an historical problem.

Cheers for the info I hope I dont make that mistake it seems to be OK now it was a second-hand lens maybe it just didn't like something I was checking every image to see if it was OK..