Canon 600D problem...baffled

Can someone please help with this issue. I've had a 600D for a few months, learning more and more, practising and reading up on information. It recently encountered a problem that has been killing me for days. In bright enough conditions in all modes, AutoISO only picks 3200. By manually choosing a suitable ISO, 3200 is the only one that will give me a bright enough image. I can also only use extremely slow shutter speeds to coincide with this. In essence, it is doing the opposite of what should be happening. In light conditions it will only react to high iso and slow speeds. In darkness auto iso will pick a lower iso, 400/600/800. By trying to force it, same problem occurs. Like I said, doing opposite of what it should be doing. I haven't heard of this problem before. I have reset settings numerous times. Just started happening out of nowhere. Any help would be brilliant. Cheers.

akelly1708 wrote in post #16590392
Can someone please help with this issue. I've had a 600D for a few months, learning more and more, practising and reading up on information. It recently encountered a problem that has been killing me for days. In bright enough conditions in all modes, AutoISO only picks 3200. By manually choosing a suitable ISO, 3200 is the only one that will give me a bright enough image. I can also only use extremely slow shutter speeds to coincide with this. In essence, it is doing the opposite of what should be happening. In light conditions it will only react to high iso and slow speeds. In darkness auto iso will pick a lower iso, 400/600/800. By trying to force it, same problem occurs. Like I said, doing opposite of what it should be doing. I haven't heard of this problem before. I have reset settings numerous times. Just started happening out of nowhere. Any help would be brilliant. Cheers.

what metering are you using? (eval, spot, center, etc.) is it so dark you actually need a flash? many experienced users choose an appropriate ISO (and flash) for really low light situations

This is happening in light conditions, conditions usually viable for isos of 100/200. I usually set the iso according to the scene, that is the problem. Even in daylight I can only get a suitable shutter speed at 1600/3200. Daylight shooting at 100/200 will only let me shoot a bright enough image at 1/8 or so and when handheld can lead to a fair bit of blur. I do a lot of amateur shooting, during daylight on aperture priority. Dependent on situation, I usually set an iso of 100/200/400. Shutter speed is determined by default. If I try and do that now, I'm getting ridiculously slow speeds, 1/8 and below. Switching between the metering modes doesn't change anything. This wasn't occurring until recently, hence my worry. I am still a newb in essence so if I am missing something glaringly obvious I do apologise.

akelly1708 wrote in post #16590641
This is happening in light conditions, conditions usually viable for isos of 100/200. I usually set the iso according to the scene, that is the problem. Even in daylight I can only get a suitable shutter speed at 1600/3200. Daylight shooting at 100/200 will only let me shoot a bright enough image at 1/8 or so and when handheld can lead to a fair bit of blur. I do a lot of amateur shooting, during daylight on aperture priority. Dependent on situation, I usually set an iso of 100/200/400. Shutter speed is determined by default. If I try and do that now, I'm getting ridiculously slow speeds, 1/8 and below. Switching between the metering modes doesn't change anything. This wasn't occurring until recently, hence my worry. I am still a newb in essence so if I am missing something glaringly obvious I do apologise.

you may have accidentally turned down exposure compensation or something, I get nothing like that with good light

As said above. Exposure compensation.

I wasn't until recently. Exposure compensation set to 0. I've tried resetting settings numerous times to no avail. Sensor problem I guess. Never seen or heard of the problem before. Even if I'd of changed a setting by accident, clearing all settings would revert it back to factory default. This is with the kit lens 18-55 I may add but I can't imagine it being a lens issue. I have a 50mm prime in the post atm, will try with that.

akelly1708 wrote in post #16590670
I wasn't until recently. Exposure compensation set to 0. I've tried resetting settings numerous times to no avail. Sensor problem I guess. Never seen or heard of the problem before. Even if I'd of changed a setting by accident, clearing all settings would revert it back to factory default. This is with the kit lens 18-55 I may add but I can't imagine it being a lens issue. I have a 50mm prime in the post atm, will try with that.

look thru the viewfinder and see if the needle is at "0" in Av mode

Yes. But only at 1600/3200 with slow speeds. At 100/200/400 it's underexposed with stupidly slow speeds...
If I set iso to auto, it does the same, picks 1600/3200 and 1/8 and lower.

Is there a filter on the lens....

First of all, unless you have highly customized the camera, simply do a factory reset and see if the issue goes away. If you do have some custom settings, examine them first and take some notes so you can restore the settings after the reset.

Nope, basic kit lens as standard. No filter or hood.

By factory reset, do you mean simply 'clear all camera settings' from the drop menu?

Try another lens. I'm suspecting that bad communication from the lens may be possible.

post a pic with EXIF?

I will try the 50 when delivered. Thanks for your replys guys. Like I said, if there was something obvious I am missing, I do apologise but this has only recently starting happening.