If you're looking for a medium-range optic with the option to zoom out and handle targets at short range, the Delta Armory 1-4X24RG LPVO Rifle Scope does exactly that. This magnified riflescope is an LPVO (Low Power Variable Optic), meaning it offers variable magnification from 1x up to 4x, ideal for short and medium-range engagements mounted on an assault rifle, DMR or sniper rifle. 
 
Features
Aluminium construction - Alloy mount with steel bolts
1-4 x Magnification - Ideal for medium range
30mm Monotube - Compatible with alternative mounts for 30mm tubes
30mm Dual scope ring mount for 20mm Picatinny rails pre-installed - Ready to mount!
Red/green illuminated reticle - Set the reticle colour to suit your environment
5 Brightness settings for each colour - Adjust the illumination level to suit the ambient lighting
Brightness/reticle colour turret on the left side - Rotate to select your colour/brightness
Capped adjustment turrets - Remove the caps on the top and right turret to access the dials
Windage/elevation adjustable - Adjust by hand or with an adjustment tool 
Battery compartment inside the illumination turret - Remove the top cap to access
Battery: CR2032 3V Button Cell (included)