30-39mm

ZEISS Terra ED 10×32 Binoculars – Black

ZEISS Conquest HDX 8×32 Binocular

CONQUEST HDX 10×32 Binocular

ZEISS 8×32 Victory SF Binoculars

ZEISS 10×32 Victory SF Binoculars

Vortex Viper PST Gen II 2-10×32 Riflescope FFP EBR-4

Vortex Viper PST Gen II 2-10×32 Riflescope FFP EBR-4 MOA

Vortex Strikefire II Red Dot Sight

Vortex Strikefire II Bright Red Dot

Vortex Solo RT 8×36 Monocular

Vortex Solo 8X36 Monocular S836

Vortex Recce Pro HD 8X32 Monocular