// Converta an 16-bit image to 8 bits by multiplying by 0.00389 (255/65535) if (bitDepth!=16) exit('16 bit image required'); p1 = getPixel(0, 0); p2 = getPixel(1, 0); setPixel(0, 0, 65535); setPixel(1, 0, 0); resetMinAndMax(); run("8-bit"); setPixel(0, 0, p1*0.00389); setPixel(1, 0, p2*0.00389);