Question 1. count sergei lvovich levitsky invented which of the following? a) collodion processb) digital imaging c) dry plates. d) bellows camera. question 2. what substance was the first photograph made from? a) bitumen b) silver. c) lemon juice. d) acidic acid. question 3. the first commercially available digital camera was which of the following? a) kodak dcs 100 b) kodak brownie c) leica 1000 d) none of the above.

1. Count Sergei Lvovich Levitsky invented the Bellows camera. The correct option among all the options that are given in the question is the last option or option "D".

2. The substance with which the first photograph was made from,  was Bitumen. The correct option among all the options given in the question is the first option or option "A".

3. Kodak DCS 100 was the first commercially available digital camera. The correct option among all the options that are given in the question is the first option or option "A".