You have to compare apples to apples you know, here are a few basics:
LUMENS is how much light the device produces regardless of the source.
Lumens per Watt is a measure of the electrical efficiency of the device again regardless of the source. CFL is more efficient then Incandescent but LED is more efficient (more lumens per watt) then CFL
Color rendition: Terms such as cool white or warm white or deluxe warm white etc relate to Degrees of Kelvin temperature.
As far as light pattern or distribution that can be changed by the reflector or housing design like if you wanted a spot light or a flood light etc.
Looks like LED is the future, its all I have in the RV now. I chose 3000 degree Kelvin in some locations (less harsh) but the brighter whiter 6000 degree kelvin in other places.
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Today's Featured Article - Restoration Story: Fordson Major - by Anthony West. George bought his Fordson Major from a an implement sale about 18 years ago for £200.00 (UK). There is no known history regarding its origins or what service it had done, but the following work was undertaken alone to bring it up to show standard. From the engine number, it was found that this Major was produced late 1946. It was almost complete but had various parts that would definitely need replacing.
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