Aspectratio

3 clues
16:9, say
DVD data (with a Kia)
Photo printing consideration
Similar answers:
Administration
Arbitration
Aspecialseriesof
Aspect
Aspectant
Aspectratio
Aspects
Byaspecificphrase
Carregistration
Clevelandministration
Concentration
Coverillustration
Cronutstration
Debtratio
Demonstration
Extraspecial
Fenestrations
Frustration
Heatprostration
Herdingadministration