Vortex Defender-ST Enclosed Solar Micro Red Dot – Multi
Reticle
Full-Size Performance. Enclosed Protection. Built for
Demanding Use.
The Vortex Defender-ST Enclosed Solar Micro Red Dot
is designed for shooters who need a tougher, more versatile optic without
sacrificing speed or clarity. Built with a fully enclosed emitter system,
it protects the reticle from environmental interference while delivering a
fast, consistent aiming solution across multiple platforms.
With its larger window and adaptable reticle system, the
Defender-ST is well suited to pistols, carbines, and shotguns—offering
flexibility for both range use and more demanding applications.
Multi-Reticle System for Maximum Flexibility
The Defender-ST allows you to switch between reticle styles
depending on your shooting needs.
- 3
MOA dot for precision aiming
- 32
MOA circle for rapid acquisition
- Circle
+ dot combination for balanced performance
This adaptability means you can tailor your sight picture
without changing optics.
Solar-Assisted Power for Extended Runtime
The Defender-ST uses a hybrid power system to keep your
optic running longer with less maintenance.
- Solar
Auto D-TEC technology uses ambient light when available
- CR2032
battery backup for low-light conditions
- Up
to 150,000 hours runtime with solar assist
This ensures reliable performance whether you're in bright
daylight or low-light environments.
closed Design for All-Condition Reliability
The sealed housing keeps the emitter protected, preventing
common issues found with open emitter optics.
- Fully
enclosed design blocks rain, dust, and debris
- Maintains
a clear reticle in harsh conditions
- More
reliable in outdoor and adverse environments
This makes it a dependable choice for real-world use.
Large Viewing Window & Clear Optics
The Defender-ST features a larger viewing window than
compact carry optics, improving usability and target tracking.
- Wide
window for faster target acquisition
- Aspherical
lens for a clean, distortion-free image
- Clear
sight picture across lighting conditions
This helps you stay on target even during fast transitions.
Built for Speed & Practical Handling
Designed with real-world use in mind, the Defender-ST
includes features that enhance usability and control.
- Motion
activation powers the optic on instantly
- 10-minute
auto shut-off preserves battery life
- Button
lockout prevents accidental setting changes
These features ensure the optic is always ready when needed.
Durable Construction for Hard Use
Built from high-strength materials, the Defender-ST is
designed to withstand repeated use and impact.
- 7075
aluminium housing for durability
- Shock-resistant
design for consistent performance
- Waterproof
and fogproof construction
It’s built to maintain zero and function reliably under
pressure.
Flexible Mounting Compatibility
- Uses
DeltaPoint Pro footprint for wide compatibility
- Suitable
for pistols, carbines, and shotguns
- Includes
multiple mounting options and hardware
What’s Included
- Defender-ST
Enclosed Solar Micro Red Dot
- CR2032
battery
- Mounting
hardware
- Picatinny
mount / adapter plates
- Adjustment
tool
- Protective
cover
- Lens
cloth
Key Specifications
- Magnification:
1x
- Reticle:
Multi-Reticle (Dot / Circle / Combo)
- Dot
Size: 3 MOA + 32 MOA circle
- Battery:
CR2032
- Battery
Life: Up to 150,000 hours (solar assisted)
- Adjustment:
1 MOA increments
- Max
Adjustment: 115 MOA elevation / 145 MOA windage
- Length:
Approx. 1.8"
- Weight:
Approx. 1.6 oz
Why Choose the Defender-ST?
The Defender-ST is designed for shooters who want a
larger, more versatile enclosed red dot without sacrificing durability or
battery life. It delivers a combination of clear optics, adaptable
reticles, and long-lasting power, making it suitable for a wide range of
shooting applications.
If you’re looking for a robust, all-purpose red dot that
performs in demanding conditions, the Defender-ST stands out as a reliable
choice.
Frequently Asked Questions
What is the difference between the Defender-ST and CCW?
The Defender-ST has a larger window and footprint, making it
better suited to full-size setups, while the CCW is more compact for concealed
carry.
What is a multi-reticle system?
It allows you to switch between different reticle styles,
such as a dot, circle, or both combined.
How does solar power help?
Solar assist extends battery life by using available light,
reducing how often the battery needs replacing.
Is an enclosed red dot more reliable?
Yes, the sealed design protects the emitter from debris and
moisture, ensuring consistent performance.
Can this optic be used on rifles as well?
Yes, with the correct mount, it can be used on carbines and
other platforms.
View the Range
Vortex Defender-XL™ Range
Vortex Defender-XL™ 8 MOA Red Dot Sight
Vortex Defender-XL™ 5 MOA Red Dot Sight
Vortex Defender-XL™ Micro Red Dot 2 MOA
Vortex Defender-XL™ Micro Green Dot 3 MOA
Vortex Defender-ST™ Range
Vortex Defender-ST™ 6 MOA Red Dot Sight
Vortex Defender-ST™ 3 MOA Red Dot Sight
Vortex Defender-ST™ Micro Green Dot 3 MOA
Vortex Defender-CCW™ Range
Vortex Defender-CCW™ 6 MOA Red Dot
Vortex Defender-CCW™ 3 MOA Red Dot
Vortex Defender-CCW™ Enclosed Solar Micro Red Dot
Vortex Defender-CCW™ Micro Green Dot 3 MOA
Vortex Defender-CCW™ Micro Red Dot 3 MOA - Tan
Vortex Defender Red Dot Guide