Barska 5-20x50mm Benchmark Long Range First Focal Plane Mil-Dot Rifle Scope Aperture_37mm encased within a durable 30mm

encased within a durable 30mm Aircraft Grade Aluminum tube

From the majestic edge-on Sombrero Galaxy to the captivating Pinwheel Galaxy and even the intricate Hadley Rille on the Moon

25 Abbe Condenser with Iris diaphragm and filter holder

✓ Tirion Double-Sided Planisphere

and super slow sweep identification

Barska 5-20x50mm Benchmark Long Range First Focal Plane Mil-Dot Rifle Scope Aperture_37mm encased within a durable 30mmBarska 5 20x50mm Benchmark Long Range First Focal Plane Mil Dot Riflescope AC11200 The 5 20x50 Benchmark Riflescope from Barska is an accurate and durable scope of exceptional optical quality. With a Mil Dot reticle on the first focal plane (FFP), there is proportional tracking throughout the magnification ranges regardless of the scope's power being used. The Benchmark riflescope is waterproof, fogproof and shockproof with fully multi coated optics