Objective lens - fi F1 F2, F{ | 0' F; Eyepiece The objective forms a real, inverted image I of the distant object at its second focal point Objective F{, which is also the first focal point F2 of the eyepiece. Eyepiece The eyepiece uses image I to form a magnified, virtual image I' (still inverted) at infinity. I' at infinity
Objective lens - fi F1 F2, F{ | 0' F; Eyepiece The objective forms a real, inverted image I of the distant object at its second focal point Objective F{, which is also the first focal point F2 of the eyepiece. Eyepiece The eyepiece uses image I to form a magnified, virtual image I' (still inverted) at infinity. I' at infinity
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The eyepiece of a refracting telescope (see Fig) has a focal length of 9.00 cm. The distance between objective and eyepiece is 1.20 m, and the final image is at infinity. What is the angular magnification of the telescope?
Transcribed Image Text:Objective lens
- fi
F1
F2, F{
| 0' F;
Eyepiece
The objective forms a real,
inverted image I of the distant
object at its second focal point Objective
F{, which is also the first focal
point F2 of the eyepiece.
Eyepiece
The eyepiece uses image I to form
a magnified, virtual image I' (still
inverted) at infinity.
I' at
infinity
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