Tìm kiếm
Collimator
01
optical device consisting of a tube containing a convex achromatic lens at one end and a slit at the other with the slit at the focus of the lens; light rays leave the slit as a parallel beam
02
a small telescope attached to a large telescope to use in setting the line of the larger one
word family
collim
collim
Verb
collimate
Verb
collimator
Noun
Ví dụ
Từ Gần
