A scope includes a scope assembly and a head lighting arrangement. The scope assembly includes a tubular scope body having an objective end and an opposed sight end to define a scope axis, an objective lens and an eyepiece lens supported at the objective end and the sight end of the scope body respectively for generating a scope reticle, and an attachment base extended from a bottom side of the scope body for detachably mounting the scope body on the firearm to parallelly align the scope axis with a barrel axis of the firearm. The head lighting arrangement includes a plurality of illumination elements formed at a rim of the objective end of the scope body for generating navigation light at a direction aligned with the scope axis of the scope body.