> Q. Exposure time of camera lens at $ f/2.8 $ setting is 1/200 second. The correct time of exposure at $ f/ 5.6 $ is – LIVE ANSWER TODAY

Q. Exposure time of camera lens at $ f/2.8 $ setting is 1/200 second. The correct time of exposure at $ f/ 5.6 $ is

In This post you will get answer of Q.
Exposure time of camera lens at $ f/2.8 $ setting is 1/200 second. The correct time of exposure at $ f/ 5.6 $ is

Solution:

Time of exposure $t propto ( f – number )^2 $

$therefore , , , frac{t}{bigg(frac{1}{200}bigg)} = 4 , , or , , t =0.02 s $

Leave a Comment