It makes sense comparing Optoma ML750ST vs Nebula Mars II because they both are able to give some premium features. Based on our rating, ML750ST has a total rating of 7 out of 10 versus 6.6 for Mars II.
Advantages Optoma ML750ST over Nebula Mars II
Better brightness: 700 vs 300 lumens
Lower noise level, 22 dB vs 32 dB
Advantages Nebula Mars II over Optoma ML750ST
Bigger projection screen size: 30-150 inch vs 30-80 inch
Lower power consumption, 57 W vs 77 W
Longer lamp life (normal mode): 30000 vs 20000 hours