And that distance and knowing that amount of light is important because it's a little like you or I sitting around a campfire: You want to be close enough to the campfire so that you're warm, but not so close that you're too toasty and you get burned.
Ta udaljenost i poznavanje količine svjetla važni su jer to pomalo nalikuje na vas ili mene kada sjedimo oko logorske vatre. Želite biti dovoljno blizu logorske vatre kako bi vam bilo toplo, ali ne preblizu da vam ne bude prevruće i da se ne opečete.