How do I get my binoculars back?

Hint 1 of 7:

You need to find the monkey first.

Hint 2 of 7:

He's on the screen to the right of the pit.

Hint 3 of 7:

Hiding in one of the melon trees.

Hint 4 of 7:

Have you found any weapons that might take care of the monkey?

Hint 5 of 7:

How about the head-shrinking darts in the witch doctor's hut?