The best one at the moment

Though rendered images you get are not so smooth as Id like them to be, this app gives you a great possibility to plan your shooting before the actual one and save your time! Great for apprentices and beginners: you get into the nature of lighting by seeing real time changes while setting up different schemes - very useful. P.s. Id love to see better rendered images and have the possibility to adjust power level of flash bulbs (now it is the same for each light source). Also the controls are tricky...(

the_offcast about SLR, v1.2.42