Nikko Stirling Nighteater Series riflescopes have Grade A lenses coated with Microlux ETE multi coating for improved light transfer. Available in 1 inch or 30mm tube diameters, the Nighteater Series has won awards for its performance. Saddle parallax adjustment on variable power scopes is convenient and easy to use without disrupting your shooting position. Parallax adjustment is from 10m (11 yards) to infinity and has a built-in sunshade. Select 30mm models also come with a large side wheel for parallax adjustment. Available in LRX, No.4 or Mil Dot reticles, and one illuminated reticle model.