Which among the following is incorrect regarding the vision of cockroach?
(1) Compound eyes are located at dorsal surface of head.
(2) They have nocturnal type of vision.
(3) Each eye consists of 3000 ommatidia.
(4) Their vision is known as mosaic vision with more sensitivity but less resolution.
(3) Each eye of cockroach has about 2000 ommatidia.