The Vortex Defender-ST Solar 3 MOA Red Dot Sight (SKU: DFST-MRD3-E) is a sealed, compact red dot sight designed for extreme conditions. Its 7075-T6 aircraft-grade aluminum housing, airtight construction, and Solar Auto D-TEC intelligent power system ensure reliability, long runtime, and readiness for use in challenging terrain and dynamic tactical applications.

Key features

• housing made of 7075-T6 aluminum, resistant to impact, moisture and dirt
• closed structure – full protection against rain, mud and sand
• multi-reticle: 3 MOA dot or 32 MOA circle
• 12 brightness settings (10 daytime, 2 night vision compatible)
• Solar Auto D-TEC – automatic switching between solar panel and battery
• operating time up to 150,000 h with optimized energy management
• large sighting window for quick target acquisition and a wide field of view
• no parallax – confident aiming from any eye position
• FAST-RACK™ Texturing – allows for emergency reloading onto a hard surface
• compatible with Leupold DeltaPoint Pro (ST) footprint
• Glock MOS adapter and Picatinny mount included for universal fit
• ergonomic, waterproof, fog-proof and shock-resistant design

Set components

• Vortex Defender-ST Solar 3 MOA collimator
• Glock MOS adapter
• Picatinny rail mounting
• Torx® T-10 wrench and mounting screw set
• rubber protective cover
• spacer plate
• multi-function tool
• optics cleaning cloth
• CR2032 battery
• manufacturer's instructions and warranty card

Technical parameters

• magnification: 1×
• reticle type: 3 MOA dot / 32 MOA circle
• adjustment: 1 MOA/click
• max. vertical adjustment (height): 115 MOA
• max. horizontal adjustment (windage): 145 MOA
• full rotation offset: 30 MOA
• number of brightness modes: 12 (10 daytime, 2 NV)
• backlight color: red
• no parallax: yes
• Solar Auto D-TEC™ system: yes (solar panel + battery)
• power supply: CR2032 battery (3 V) and solar panel
• motion activation/auto shut-off: yes
• FAST-RACK™ Texturing: yes
• housing material: 7075-T6 aluminum
• total length: 46 mm
• weight: 46 g
• rail mounting: Picatinny / 22 mm (Weaver)
• footprint: Leupold DeltaPoint Pro (ST)
• resistance: fogging, shocks, moisture, rain
• color: black
• warranty period: VIP lifetime warranty (Vortex Optics)