Aztec Optics Emerald 3-18x 50 scope. DYND-1 (MOA). Second focal plane. 30mm tube. Comes with push-on Sidewheel for easy adjustment of the side parallax, rubber lense covers and sunshade. Turrets are adjustable once they are pulled out and then remain in position when pushed back down. Reticle has 30 half mil dots for drop off. Comes with a lifetime warranty. A short video about this scope can be viewed on YouTube by searching " derwent air rifles aztec".