there should be a BOLD note next to comment field, with something like:
if you are uploading a sample for camera make+model we already have, please do specify how they are different.
similarly, if you plan to upload more than one sample for this make+model, do specify how they are different.
there should be a BOLD note next to comment field, with something like: if you are uploading a sample for camera make+model we already have, please do specify how they are different. similarly, if you plan to upload more than one sample for this make+model, do specify how they are different.