1. Introduzione
The Vortex Defender-ST Enclosed Solar Micro Red Dot Sight is designed for rapid target acquisition and reliable performance in various conditions. Its fully enclosed design protects the emitter from environmental elements, ensuring durability and consistent operation. This manual provides essential information for the proper setup, operation, and maintenance of your Defender-ST red dot sight.
2. Prodotto finitoview
2.1 Caratteristiche principali
- Design chiuso: Protects the emitter from dust, rain, and impact.
- Lente asferica: Fornisce un grande viewing window for fast target acquisition and a wide field of view.
- Fast-Rack Textured Front: Enhances grip for racking the slide off any surface.
- Opzioni multi-reticolo: Offers 3 reticle choices (3 MOA dot, 32 MOA circle, and 3 MOA dot with 32 MOA circle).
- Impostazioni di luminosità: 12 levels, including 10 for daylight and 2 for night-vision compatibility.
- Tecnologia Solar Auto D-TEC: Extends battery life by automatically drawing power from solar or battery sources based on light conditions.
- Attivato tramite movimento: Features a 10-minute auto-shutoff to conserve battery.
- Side-Load Battery: Allows for easy battery replacement without removing the sight.
- Costruzione durevole: Made from 7075 aluminum housing, waterproof, fogproof, and shockproof.
2.2 Componenti
The Vortex Defender-ST includes the following components:
- Vortex Defender-ST Enclosed Solar Micro Red Dot Sight
- Supporto Picatinny
- Strumento personalizzato
- Copertura in gomma
- Set di viti di montaggio più comuni
- Batteria CR2032
- panno Lens
- Glock MOS Plate
- Punta Torx T-10 estesa

Figure 1: Labeled components of the Vortex Defender-ST Red Dot Sight.

Figure 2: Contents included in the Vortex Defender-ST packaging.
3. Impostazione
3.1 Installazione della batteria
- Locate the battery cap on the right side of the sight.
- Use the provided custom tool or a suitable coin to unscrew the battery cap counter-clockwise.
- Inserire la batteria CR2032 con il lato positivo (+) rivolto verso l'alto.
- Replace the battery cap and tighten it clockwise until snug. Do not overtighten.
3.2 Montaggio del mirino
The Defender-ST is compatible with a DeltaPoint Pro footprint. Use the appropriate mounting screws and plate for your firearm.
- Assicuratevi che l'arma da fuoco sia scarica e sicura.
- Select the correct mounting plate (e.g., Picatinny Mount, Glock MOS Plate) and screw set for your firearm.
- Attach the chosen mounting plate to your firearm according to the firearm manufacturer's instructions.
- Place the Defender-ST sight onto the installed mounting plate.
- Secure the sight to the plate using the appropriate screws from the provided screw sets. Apply thread locker if recommended by your firearm or mount manufacturer. Tighten screws to the recommended torque specifications.
4. Istruzioni per l'uso
4.1 Accensione/spegnimento
- Per accendere: Press either the '+' or '-' button.
- Per spegnere: Tenere premuto il pulsante '-' per 3 secondi.
4.2 Regolazione della luminosità
The Defender-ST has 12 brightness settings (10 daylight, 2 night-vision).
- Press the '+' button to increase brightness.
- Premere il pulsante '-' per diminuire la luminosità.
4.3 Selezione del reticolo
The sight offers three reticle options: 3 MOA dot, 32 MOA circle, and 3 MOA dot with 32 MOA circle.
- To cycle through reticle options, press and hold both the '+' and '-' buttons simultaneously for 3 seconds.

Figure 3: Available reticle patterns for the Defender-ST.
4.4 Zeroing (Windage and Elevation)
Adjustments for windage and elevation are located on the side and top of the sight, respectively. Each click typically represents 1 MOA (Minute of Angle).
- Regolazione dell'elevazione: Use the custom tool or a flathead screwdriver to turn the elevation turret (marked 'U' for Up) on top of the sight. Turning clockwise moves the point of impact down; counter-clockwise moves it up.
- Regolazione della derivazione: Use the custom tool or a flathead screwdriver to turn the windage turret (marked 'R' for Right) on the right side of the sight. Turning clockwise moves the point of impact left; counter-clockwise moves it right.

Figure 4: Windage adjustment location on the Defender-ST.
5. Manutenzione
5.1 Pulizia
Keep the lenses clean for optimal performance. Use the provided lens cloth or a soft, lint-free cloth.
- Gently brush away any loose dirt or debris from the lenses.
- Apply a small amount of lens cleaning solution to the cloth, not directly to the lens.
- Pulire le lenti con movimenti circolari, partendo dal centro e procedendo verso l'esterno.
- Pulisci l'alloggiamento con un panno morbido eamp panno secondo necessità.
5.2 Sostituzione della batteria
Refer to section 3.1 for detailed battery installation instructions. Replace the CR2032 battery when the reticle dims or fails to illuminate.
6. Risoluzione Dei Problemi
- Reticolo non illuminato: Check if the battery is correctly installed and has sufficient charge. Ensure the plastic separator tab has been removed.
- Reticle Appears Distorted/Fuzzy: This can sometimes be due to astigmatism. Try adjusting the brightness settings. If the issue persists, consult an eye care professional.
- Perdita di zero: Ensure all mounting screws are tightened to the manufacturer's recommended torque specifications. Check for any loose components on the firearm or mount.
7. Specifiche
| Caratteristica | Specificazione |
|---|---|
| Nome del modello | Defender-ST Enclosed Solar Micro Red Dot Sight |
| Codice Prodotto | DFST-MRD3-E |
| Tipo di reticolo | Multi-Reticle (3 MOA Dot / 32 MOA Circle) |
| Colore del reticolo | Rosso brillante |
| Impostazioni luminosità | 12 (10 Daylight, 2 Night-Vision) |
| Tipo di batteria | CR2032 |
| Eye Relief | Illimitato |
| Ingrandimento | 1x |
| Lunghezza | 1.8 pollici |
| Larghezza | 1.3 pollici |
| Altezza | 1.2 pollici |
| Peso dell'articolo | 1.6 once |
| Materiale | 7075 Alluminio |
| Dispositivi compatibili | Firearms with Picatinny Rail (DeltaPoint Pro footprint) |
| Tipo di montaggio | Picatinny Mount (included) |
8. Garanzia e supporto
8.1 VIP Warranty
The Vortex Defender-ST is backed by the Vortex Unlimited, Unconditional, Lifetime, VIP Warranty. This is a fully transferable promise to repair or replace your item if it becomes damaged or defective. This warranty does not cover loss, theft, deliberate damage, or cosmetic damage that does not hinder the product's performance.
For warranty service or support, please visit the official Vortex Optics websito o contattare direttamente il servizio clienti.
Per maggiori informazioni, visita: Vortex Optics Official Websito





