We had a chance to test and compare two models: ViewSonic PJD5553LWS vs Optoma ML750ST and this review should help people who are looking for a good projector. Based on our rating, PJD5553LWS has a total rating of 6 out of 10 versus 7 for ML750ST.
Advantages ViewSonic PJD5553LWS over Optoma ML750ST
Bigger projection screen size: 50-250 inch vs 30-80 inch
Better brightness: 3200 vs 700 lumens
Advantages Optoma ML750ST over ViewSonic PJD5553LWS
Lower noise level, 22 dB vs 32 dB
Lower power consumption, 77 W vs 265 W
3D support
Longer lamp life (normal mode): 20000 vs 5000 hours