Words given on the left side of (::) are related with each other by some Logic/Rule /Relation. Select the missing word/word pair on the right side of (::) from the given alternatives based on the same Logic/Rule/Relation.

View : Binocular :: ?

Shoot : Gun

Logic here is :

View : Binocular

Binocular is an optical device by using  both eyes to View .

Similarly ,

By observing all options , we find that only option 4  follow same pattern .

Shoot : Gun

Gun is used to Shoot .

Hence ,  Shoot : Gun is correct answer .