像ぞう面めん

noun

image surface; image plane

Technical term in optics referring to the surface where an image is formed, such as a sensor or film plane.

• レンズの設せっ計けいでは、像ぞう面めんの平へい坦たん性せいが重じゅう要ようです。

  In lens design, the flatness of the image surface is important.