James E. Petts:
Calex ST64 4W, 400lm, 2700k
James E. Petts:
Calex ST64 6W, 600lm, 2700k
James E. Petts:
Tagra ST64 6W, 600lm, 2700k
James E. Petts:
Mini-Sun ST64 6W, 600lm, 2700k
James E. Petts:
Abe Electrics ST58 4W, 350lm, 2200k
James E. Petts:
Bright Goods candle bulb, 3W, 300lm, 2200k
James E. Petts:
The bulbs tested (in order, right to left)