Kuvaustekniikkansas
Kuvaustekniikkansas is a term that appears to be a misspelling or a non-standard word in Finnish. The Finnish language has specific rules for word formation and grammar, and "Kuvaustekniikkansas" does not conform to these.
The closest recognizable Finnish word structure would be related to "kuvaustekniikka," which translates to "photography technique"
If "Kuvaustekniikkansas" is intended to refer to a specific method or concept, more context would be needed