29.3mm90mm1950sUnited KingdomTaylor & HobsonProjectionf/2
29.3mm75mm1950sUnited KingdomTaylor & HobsonProjectionf/1.8
29.3mm50mm1950sUnited KingdomTaylor & HobsonProjectionf/1.6
29.3mm90mm1950sUnited StatesBell & HowellProjectionf/2.3
29.3mm75mm1950sUnited StatesBell & HowellProjectionf/2