When you focus a camera, you adjust the distance of the lens from the film. If the camera lens acts like a thin lens, why can it not be a fixed distance from the film for both near and distant objects?
.Vo,)""A A4ta\ar*trio_j: oqi n l00nn ra4,+t. Doct +ru u-r h,."lVz,o^Q h^r Lrt "r^sl--k -G l,\..,c * -;Li" i: I ul". ( -t{\Az -ryxk = 3\- " FrV,* aTo,v\p.,riaxar pte. r,.r\^^-FE F- , or\ *+,s &alu \- 4- 16-ry\4 ---onv- _Y\l-z-\ E, = ,- # : uor-) N ' N) )g Ll.^rvq/a*\ l,ar-.*r "f .lt rlD tt{."- = q.t ^1s"7. - (2 . (meoryr..m r\r ;[- o.r-t Ew !_ rV i: ffae6-, g**..rc1s \ - t "F --\- J.T iS t\ \rni -/U6.\\C^rlO\fC "T)r d,r.'u :* o,,'\fi,rrq Jt a t".\-L .. S Iu)lt7 : S ca\o^r EX ,[ [51o.r.b*-.+a d*":p \aq| -t/ r,"^:fc^.t vc\ o .i!.n t "\t F" = \D N , = A nn/s n71,\,.tnlo" chbn . "ra.lrvtl. i G'i*
