50-59mm

Vortex Viper HD 11-33×50 Spotting Scope – Straight

Vortex Viper HD 11-33×50 Spotting Scope – Angled

Vortex Viper HD 10x50mm Roof Prism Binoculars

Vortex Venom 5-25×56 FFP Scope

Vortex Strike Eagle 5-25X56mm w/ EBR-7C MRAD Reticle & Pro Extended Cantilever Mount 34mm Bundle

Vortex Strike Eagle 5-25X56mm FFP Scope

Vortex Recon 15×50 R/T Tactical Monocular RT155

Vortex Razor UHD 18×56 Binoculars

Vortex Razor UHD 18×56 Binocular

Vortex Razor UHD 12×50

Vortex Razor UHD 12×50 Binocular

Vortex Razor UHD 10×50 Binoculars