Enter Wavelength and Photometric Flux {\displaystyle \Phi _{\mathrm {v} }=683.002\ (\mathrm {lm/W} )\cdot \int _{0}^{\infty }{\overline {y}}(\lambda )\Phi _{\mathrm {e} ,\lambda }(\lambda )\,\mathrm {d} \lambda ,} Wavelength: 450 470 500 520 590 620 630 660 730 Full emission angle (in degree): Photometric Flux (in candela):