SYLVANIA 50-Watt EQ PAR 30 longneck Dimmable Warm White Reflector Flood Halogen Light Bulb in the Halogen Light Bulbs department at Lowes.com
Duracell Ultra 50 Watt Equivalent PAR20 5000k Daylight Energy Efficient LED Spot Light Bulb - LED11385 at Batteries Plus
50W Compact LED Spot Light, TL500S for off-road
Exo Terra Infrared Basking Spot (50 Watt) | Josh's Frogs
AmazonCommercial 50 Watt Equivalent, 25000 Hours, Dimmable, 550 Lumens, Energy Star and CEC (California) Compliant, High Intensity Spot PAR20 LED Light Bulb - Pack of 1, Soft White - - Amazon.com