#IMG_1540.CR2 all images at 2.5 m IMG_1541.CR2 : Karma max power IMG_1542.CR2 : PowerLed max power IMG_1543.CR2 : Karma max power IMG_1544.CR2 : PowerLed max power IMG_1547.CR2 : 1m ruler for calibration, 2.5 m : result 1590 px / 1000 mm giving: 500px 7.17 Deg 1000px 14.12 Deg 1500px 43.33 Deg