When a single-lens camera is focused on a distant object, the lens-to-film distance is found to be 40.0 mm.To focus on an object 0.540 m in front of the lens, the film-to-lens distance should be:
A)36.8 mm
B)37.3 mm
C)40.0 mm
D)42.7 mm
E)43.2 mm

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The Answer of When a single-lens camera is focused on a distant object, the lens-to-film distance is found to be 40.0 mm.To focus on an object 0.540 m in front of the lens, the film-to-lens distance should be:
A)36.8 mm
B)37.3 mm
C)40.0 mm
D)42.7 mm
E)43.2 mm

When a Single-Lens Camera Is Focused on a Distant Object