You cannot find a better spotter in a more compact size, period. Like all Optolyth rigid body scopes, this model is Argon gas filled and completely waterproof. Full rubber armor, retractable sunshade, 360 rotating body are all standard features. Straight (G) or Angled (S) models with 20-60x premium eyepiece included. Also available is the 30x WA-S Reticle Rangefinder eyepiece.