Canon 700d I really need help with this! poor quality photos.

AnthonyL wrote:

PhilPreston3072 wrote:

flamingpiebeatles wrote:

Once again, I have to say I'm indebted to you all for your really helpful replies. I'm really learning a lot here.

I am now messing around with lighting and other actual real-world things like trying different timings on a tripod and am getting better results. One thing I really do need to do is get a laptop with a really high def screen.

Really silly question but does a RAW file stay the same after developing? What I mean is, is it possible to edit the raw but then accidentally overwrite it as a new RAW file by mistake thus losing the original data by replacing it with the changes? I know it exports into another file format, eg jpg but I keep thinking I'm going to accidentally alter the original 'negative' by exporting or saving it as a RAW.

No, resaving a Raw file does not alter the pixel data at all. There are no raw editors that alter raw pixel data as far as I know.

As Mocha said, only post processing information is appended by Canon's DPP when saving raw, so the pixel data remains untouched. All the processing is reversible.

In DPP, you always have the option of reverting to shot settings with raw, so there's no need to worry about losing the original data.

Which I've now said I've said twice - original post a few days back:

https://www.dpreview.com/forums/post/59575373

Have my posts become invisible?

No, I saw your post and fully agree.

Was just further clarifying to the OP that the pixel data remains untouched in raw, which I think is what the OP is really asking about.  Even though the raw file does change when saved with adjustments in DPP, the pixel data remains completely unchanged.

You mentioned raw sensor data at first, but then only mentioned raw data is unaffected in the next paragraph which could be misunderstood as the entire raw file is unaffected.