The distance between lenses (DBL) is measured from which points?

The distance between lenses (DBL) is

Multiple choice — select the best answer

AOuter edges of each lens
BOptical centers of each lens
CNearest inner edges of each lens opening
DGeometric centers of each lens opening

✓ Correct answer: C. Nearest inner edges of each lens opening The DBL (distance between lenses) is measured from the nearest inner edge of one lens opening to the nearest inner edge of the other lens opening. It defines the bridge span.

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The distance between lenses (DBL) is measured from which points?

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