Give "'xsane" a look... featureful graphical frontend for SANE (Scanner Access Now Easy). Simple, easy to use.
I use it often for work similar to yours
https://help.ubuntu.com/community/XSane
- Supports several scanning protocols; handles multiple image acquisition devices efficiently: scanners, cameras, video devices
- Allows detailed prescan adjustments w/preview -- for example: select area ("...pick out individual photographs from the scan surface") , contrast, brightness, dpi, to name a few
- Settings for professional scanning; available but not necessary to 'fiddle' with: https://www.maths.cam.ac.uk/computing/printing/xsane