青云翻译

Imperfect optics itself, outside light, optical or thermal radiation lighting system itself can be produced or caused by stray light

Optical device itself is not perfect, the ambient light, optical or thermal radiation can produce lighting system itself, or due to stray light

Optics component oneself imperfect, the outside light, optics either lighting system own heat radiation may produce or cause the stray light

Optical devices their own imperfect, external optical, optical or lighting their own thermal radiation can be generated or Induced astigmatism miscellaneous

Optical device itself is not perfect, the ambient light, optical or thermal radiation can produce lighting system itself, or due to stray light