Exposure matching calculator
function ImageProperties(expCorrStops, iso, aperture, shutter){
this.expCorrStops = expCorrStops;
this.iso = iso;
this.aperture = aperture;
this.shutter = shutter;
this.amplification = function(){
return Math.pow(2, this.expCorrStops);
}
this.effectiveIso = function(){
return this.iso * this.amplification();
}
this.apertureArea = funct
