This book was created to dispell the myriad of Internet articles proposing to tell observers how they can "collimate" their binocular by the willy-nilly tweaking of a few screws but which may produce unsatisfactory results or even damage alignment even more.

This book was created to dispell the myriad of Internet articles proposing to tell observers how they can "collimate" their binocular by the willy-nilly tweaking of a few screws but which may produce unsatisfactory results or even damage alignment even more.