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Home » Light Bulbs » CFL Standard Base » Reflectors » R40

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R40

Model #:

COMPARISON INCANDESCENT BULBS

15 watts: 122 lumens, 8.1 lm/w

25 watts: 210 lumens, 8.4 lm/w

40 watts: 460 lumens, 11.5 lm/w

60 watts: 890 lumens, 14.8 lm/w

75 watts: 1180 lumens, 15.7 lm/w

100 watts: 1750 lumens, 17.5 lm/w

LEARN MORE:
- CFL FAQs
- Lumens & Light Levels
- Color Temperature
- Color Rendering
- Mercury

An "R" lamp is a common reflector, simply directing light in one direction. A "BR" is a bulged reflector, able to direct a little more light in the central part of the beam. "PAR" stands for parabolic aluminized reflector", which is a reflector with an interior reflecting surface able to project a narrower beam than an "R" lamp. The numeric value represents the diameter in eighths of an inch. A "PAR38", for example, has a diameter of 38 eighths of an inch.