Welcome to Vista Scopes
Vista Viewing Machines
We call them coin-operated binoculars and coin-operated telescopes, and non-coin operated binoculars non- coin operated telescopes.
You may call them viewing scopes, tower scopes, observation binoculars, observation telescopes, observation viewers, tower binoculars, binoculars, scenic magnifiers, tower viewers, coin-operated viewers, coin-operated binoculars, revenue binoculars, coin-operated viewing telescopes, scenic viewers, scenic telescopes, spyglass viewers, coin-operated viewing machines, non-coin operated viewing machines, non-coin operated viewers, coin-operated viewers, coin-operated viewfinders, optical rangers, optical sights, observation telescopes, revenue telescopes, non-coin telescopes, wheelchair viewers, wheelchair viewfinders, stationary binoculars, spy glasses, viewing stands, or stationary telescopes.
It really doesn't matter what you call them.