A member of my family has therefore offered his Minolta X-700 with Portra 400 Color Film several weeks ago (no experience in photography), tried it and developed it.
So, I just got the digital scan and the pictures look like this:
So, was this result caused by the use of a wrong setting? (like shutter speed, iso, apeture) or is it just a fault in the camera?
In addition, the Minolta X-700 was set to the program mode during shooting.