502 F09 Midterm - Solutions

# 502 F09 Midterm - Solutions - oPTr-s02 Midterm Exam...

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oPTr-s02 Midterm Exam Page l/12 John E. Greivenkamp Fall"2009 October 20.2009 Lecture 17 ô t r. Name lO t, *¡f t o"^ s Closed book; closed notes. Time limit: 75 minutes. An equation sheets is included. A spare raytrace sheet is also attached Use the back sides ifrequired. Do not use any pre-stored information or programs in your calculator. Assume thin lenses in air ifnot specified. If a method of solution is specified in the problenr, that method must be used. You must show your work and/or method of solution in order to receive credit or partial credit for your rinswer. Distance Students: Please return the original exam only; do not scan/FA)lemail an additional copy. l) (10 points) Draw the tunnel diagram for this 45 degree deviation prism with the ray path shown. The tunnel diagram must be drawn to the same scale as the prism drawing. É;t &. . ó t,* ... ( A¡ o (!r*+. l\ (<.rPC^&. cwLoè +. tt* 1^/.

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oPTr-502 Midterm Exam Page2/12 ê/. . 2'56 {¡,.r èr, , .(bG ,F= ZS.? '.++.\ John E. Greivenkamp Fall. 2009 2) (10 points) Many medium-format digital single lens reflex (DSLR) cameras use an image sensor that is about 213 the size of the 35 mm film format. The sensor size is 24 x 16 mm. This is called the APS-C or DX format. What focal length lens is required to obtain a full field of view of 50o (i.e. +l-25")? This FOV corresponds to the 24mmdimension ofthe sensor. Assume a distant object. în l2,qx f *-rl no4.I <ir, (I ca +1. . (ri*e',7-l çl "nct <?< eoi'tcì L<*t. Çor <n ,L3 c.t .+ r'. *'nì{7. , #\ ¿Lre{ 1'7r ir g,r.llc! {;o +hiJ 'a¿L-l î'y i^&1c*Q-F ¿1 p'p1t f" sìd.r,¡. Focallength : z.f. ?
3) (25 points) An imaging system or objective is comprised oftwo thin lenses. It is to be used in conjunction with a cube of glass. What is the size of the largest

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502 F09 Midterm - Solutions - oPTr-s02 Midterm Exam...

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