lec14 - Lecture 14 Telescopes Lecture 14 Purdue University,...

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Lecture 14 Telescopes Lecture 14 Purdue University, Astronomy 364 1
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• HW02 will be ready to be picked up in Rm 144 this afternoon. • HW03 is due NOW! • HW04 has been posted. • Reminder: Exam #1 at 8-9 pm on Monday (see details on course web page). Lecture 11 Purdue University, Astronomy 364 2
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Pinhole Camera • There is a one-to-one correspondence between the object and its image. • There is an optimal size of the pinhole: – Too small: very dim image – Too large: blurred image Lecture 14 Purdue University, Astronomy 364 3
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• Focal point – Rays parallel to the optical axis converge to focal point. – Real vs virtual • Focal length – Distance of the focal point to the center of the lens • Focal plane – Plane that goes through the focal point and is perpendicular to the optical axis – Where off-axis rays converge Lecture 14 Purdue University, Astronomy 364 4
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This note was uploaded on 04/23/2011 for the course ASTR 364 taught by Professor Cui,weik. during the Spring '11 term at Purdue University-West Lafayette.

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lec14 - Lecture 14 Telescopes Lecture 14 Purdue University,...

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