....nežinau normalių gamintojų, nežinau kur ieškoti, o wikipedija sako: 
Photopic luminous efficacy of radiation has a maximum possible value of 
683 lm/W, for the case of monochromatic light at a wavelength of 555 nm 
(green). Scotopic luminous efficacy of radiation reaches a maximum of 
1700 lm/W for narrowband light of wavelength 507 nm.

On 2015-05-04 22:43, Dainiushas wrote:
> ahujennai. parodyk dar 400Lm/W. Pas normalų gamintoją.