what is an A lamp
standard bulb
what does the A stand for on the A Lamp
Arbitrary
what does the 19 stand for on an A-19 bulb
the diameter in the 1/8 of an inch
what does R stand for in R shape bulb and what type of light is it
-reflector
- halogen
what type of light is a PAR shape bulb
Halogen
What does T bulb stand for and what type of light is it?
tube
- florescent
what is an MR-16
halogen
- small
- 2 little prongs
- hard light
what bulb is most like the MR-16
PAR
- because same shape, hard beam, and halogen
what are the pros of incandescent lights
- dimmable
-cheap
- nice glow
- high CRI
what are the cons of incandescent lights
- not efficacious
(85% heat; 15% light)
-short lamp life
MR-16 is best at?
creating directional light
A lamp is best at creating
diffused light- better with white coat
How does an incandescent light work
electrical current is passed through a filament heating it up and giving it light
what are some conditions when an A lamp is better than an MR-16? why?
1. lamp doesn't need a transformer
2. lamp with a shade- because omnidirectional
3. where you want a lot of soft light
4. on vanity reduces wrinkles and shadows