Patt.803 Fresnel
500/650W
Beam Spread 10th peak : 13-60°
Half peak : 9 - 50°
650W T/13 Halogen lamp. P.28 base
Slide focus. 150mm diameter lens
300mm length. 6kg
Filter : 165x165

This was a (rather poor) replacement for the classic Patt.123 Baby Fresnel.