The Thomas Cyclites with asymmetrical reflectors accept 500W lamps.
Thomas Cyclite series for 1kW or 1.25kW lamps with asymmetrical reflectors.
Thomas PAR 16 Battens are designed to use MR 16-12V lamps with G5.3 socket and MR 16-230V lamps with GU10 socket.
THOMAS Spot Banks, or "audience blinders", are available in various configurations for PAR 36 lamps.