The European student association AEGEE-Helsinki owns a projection screen, which can be borrowed by other student associations / students with a fee of 8€/day. For longer borrowing periods, the total fee can be discussed separately.
The projection screen is Reflecta Tripod 180cm x 180cm (purchased 11/2011). Below are the specifications:
Height and width: 180cm by 180cm
Aspect ratio: 1:1