Vivicine D038 uniformity, sharpness test

Best Buy Link from Aliexpress: Outstanding Features of Vivicine D38 1080p Projector ●Real Native Resolution 1920*1080,support 4K ●Built-in android 9.0 smart OS, 1G RAM,8G ROM ●Electric Keystone Correction,Auto Focus ● Sealed Optical Engine, dust-free ● Bluetooth 5.0,Dual band WIFI 6 ● Max 200inch Large Image , much larger than 60inch TV ● High quality copper heat-sink system,Low noises level ● LED lamp life time 30000 Hours , If use 10hours per day , it can use 5,000days) Optical parameters ●Brightness: 5000 Lumens.(Real 250 ANSI Lumens) ●Resolution: Native 1920x1080pixels full HD,support 4K decoding ●Contast ratio: 2000:1 ●Display technology: “ Liquid Crystal Display ●LED Lifetime: 30,000 hours ●Throw Ratio: 1.2:1 ●Keystone Correction: Electric Keystone by remote control χ