AV Stumpfl Inline-Crank Strato projection screen with a 4:3 aspect ratio, measuring 310 × 235 cm. The screen uses an R5 projection surface and is supplied as a complete system including the frame and stand. It features manual inline-crank operation and a 12.5 × 12 cm case. The manufacturer is AV Stumpfl, with article number BIK-SV310/R5 and a net weight of 29.3 kg.