透镜

Traditional form:

透鏡

Pinyin (reading):

tòujìng

Definitions:

• lens (optics)

Characters:

• 透 - to pierce, to penetrate, to pass through; thorough
• 镜 - mirror, glass; lens, glasses

Traditional characters:

• 透 - to pierce, to penetrate, to pass through; thorough
• 鏡 - mirror, glass; lens, glasses