CP and Wattage

Sorry, Martin, what should be correct?

 

...the ridiculously rated CP value...
That simply depends on the solid angle to which the reflector was specified.

 

Yeah, but for me, "simply" doesn't come into it - the mathematics involved is completely way beyond my ken!

So it's mathematically possible for a 200cp burner (assuming it's actually producing the full 200cp) to produce 5000 reflected cp? i.e. 25 times the original output, simply by putting a curved reflector behind it. That seems like 'free' light to me!

 

...yes, but behind the reflector you're sitting in the dark though...