تلاش کریں
Fresnel lens
01
lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length
مثال
قریبی الفاظ
ایپ ڈاؤن لوڈ کریں
Download Mobile App
تلاش کریں
lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length