Question

To click the photo of image of candle at what distance shoud we focus our camera? (if height of camera from surface is 6 m )

Answer 1

To focus the camera on the candle's image:

1. Height of camera above the surface = 6 m.
2. The candle’s image forms an equal distance below the surface = 6 m
3. Total distance to the image = 6 + 6 =12 m.

Focus at 12 m.