An affordable projector is always a good option to consider, so ViewSonic PA503W vs Nebula Mars Lite comparison definitely makes sense. Based on our rating, PA503W has a total rating of 6 out of 10 versus 6.6 for Mars Lite.
Advantages ViewSonic PA503W over Nebula Mars Lite
Bigger projection screen size: 30-300 inch vs 20-150 inch
Better brightness: 3600 vs 500 lumens
Advantages Nebula Mars Lite over ViewSonic PA503W
Lower power consumption, 57 W vs 260 W
Wireless connection enabled
Longer lamp life (normal mode): 30000 vs 4500 hours