发布日期 ： 2021-01-28 01:56:09 UTC
分类 ： Electronic
Projection screen size calculator, projection distance counter
Projection distance(mm): 3000
Aperture F: 1.7-2.1
Please inquire about projector parameters and enter
Click “Calculate screen size” to output the result
Screen width(mm)： 1764.7058823529412-1428.5714285714284