[Zhongguancun online projector channel original] short focus all equipped with special skills, education and business applications are the preferred model, but the lens .level of quality, not only determines who can show a better display, but also determine the price level? .ZOL test models of the 12 ultra-short focus, in practice convergence and sharpness to what extent, we are most concerned about is the focus. .

focusing accuracy of the Competition

convergence test using professional testing software output vector file that size scaling does not affect the quality .and clarity. .We test, for each product for a simple cleaning, and made the appropriate adjustments to optimize in order to test the products showing the best display. .

crazy big shot

later, the projector has no brand distinction, where each projection products only in accordance with their respective brands of the English alphabetical order. .Since each individual projection models there are subtle differences in test results for buyers, industry enthusiasts refer to the user or projector. . .