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23 Nov 2019
A 80 mm focal-length lens is used to focus an image on the film ofa camera. The maximum distance allowed between the lens and thefilm plane is 120 mm. How far ahead of the film should the lens beif the object to be photographed is at the following distance fromthe lens?
(a) 10.4 m away
mm
(b) 4.8 m away
mm
(c) 1.4 m away
mm
(d) What is the closest object this lens could photographsharply?
cm
A 80 mm focal-length lens is used to focus an image on the film ofa camera. The maximum distance allowed between the lens and thefilm plane is 120 mm. How far ahead of the film should the lens beif the object to be photographed is at the following distance fromthe lens?
(a) 10.4 m away
mm
(b) 4.8 m away
mm
(c) 1.4 m away
mm
(d) What is the closest object this lens could photographsharply?
cm
3
answers
0
watching
160
views
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Jamar FerryLv2
12 Feb 2019
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