If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant (A) 0.1 (B) 0.4 (C) 0.6 (D) 1.33

If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion
axis is 15 cm, the additive constant
(A) 0.1
(B) 0.4
(C) 0.6
(D) 1.33
by

1 Answer

Answer :

(B) 0.4
by

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