Another Vortex product(I just like Vortex, sorry :D). This time Spitfire HD gen 2 with 5x prism magnification.
Model have one main PBR material in 4k + one for lense and one BDC-style reticle so its easier to set magnification shader to it.
Verts: 3200
Tris: 6200
Made in Blender.