De or het foto-impressie?

The correct Dutch article is:

de foto-impressie

Rule Words ending in -tie and -sie: almost always de. See the rule

How to use foto-impressie

the foto-impressiede foto-impressie
this foto-impressiedeze foto-impressie
that foto-impressiedie foto-impressie
our foto-impressieonze foto-impressie
your foto-impressiejouw foto-impressie
every foto-impressieelke foto-impressie
which foto-impressie?welke foto-impressie?
a big foto-impressie / the big foto-impressieeen grote foto-impressie, de grote foto-impressie