### Chinese: 简单说，超广角近焦投影机--激光电视，为了贴近幕布，不得不使用价格昂贵的超广角透镜和反射镜，这不符合光学最佳设计。
### English: Simply put, ultra-wide angle near focus projector - laser TV, in order to close to the curtain, had to use expensive ultra-wide angle lens and reflector, which does not meet the optical best design.
### Errors: There is a major error of incorrect translation does not accurately represent the correct translation at "near focus instead of near focus projector". There is a major error of incorrect translation is missing content from the correct translation at "curtain instead of screen". There is a major error of incorrect translation includes information not present in the correct translation at "had to instead of must". There is a major error of incorrect translation has stylistic problems at "Simply put, ultra-wide angle near focus projector - laser TV,". There is a major error of incorrect translation does not accurately represent the correct translation at "does not meet the optical best design instead of not in line with the best optical design".

### Improved English: Simply put, in order to get close to the screen, ultra wide angle close focus projector, laser TV, has to use expensive ultra wide angle lens and reflector, which is not in line with the best optical design.