A Refracting Telescope (also known as dioptric) has a long thin tube in which the light passes in a straight line from the front objective lens to the eyepiece, at the opposite end of the tube.
(A Refracting Telescope; known; as dioptric) (A Refracting Telescope; has; a long thin tube in which the light passes in a straight line from the front objective lens to the eyepiece, at the opposite end of the tube) (the light; passes; L:in a straight line from the front objective lens to the eyepiece; L:a long thin tube)
A Refracting Telescope A Refracting Telescope the light
known has passes
as dioptric
a long thin tube in which the light passes in a straight line from the front objective lens to the eyepiece, at the opposite end of the tube
L:in a straight line from the front objective lens to the eyepiece L:a long thin tube