In Stock Vortex Diamondback 3.5-10x50 SFP BDC AO Rifle Scope
The Vortex Diamondback 3.5–10x50 SFP BDC AO Riflescope is a dependable all-around hunting optic built for clarity, durability, and consistent field performance. Its 3.5–10x magnification range offers flexibility for close to mid-range shots, while the large 50mm objective lens delivers bright, usable images in low-light conditions like dawn and dusk. The second focal plane BDC reticle provides simple, reliable holdover points, and the adjustable objective (AO) helps fine-tune focus for improved target clarity. Built on a rugged 1-inch tube, it’s waterproof, fog-proof, and shockproof for real-world hunting conditions. Simple, tough, and effective, it’s a solid choice for hunters who want dependable performance without unnecessary complexity.
-Nathan (Technical Advisor)
The Vortex Diamondback 3.5–10x50 SFP BDC AO Rifle Scope carries forward the Diamondback reputation as a tough, dependable workhorse built for serious hunters. With excellent low-light capability, brilliant contrast and impressive image sharpness, it delivers reliable performance from the first minutes of dawn to the last light of evening. Its lightweight yet rugged construction ensures consistent accuracy in demanding terrain, giving shooters the confidence to push further. Intuitive to use, durable enough for any hunt and equipped with an adjustable objective for precise parallax correction, the Diamondback is engineered to go the distance. The Dead-Hold® BDC (MOA) reticle provides an effective solution for holdover and windage estimation at varying ranges.
- Magnification 3.5–10x
- Objective Lens Diameter 50 mm
- Focal Plane Second Focal Plane
- Reticle Dead-Hold® BDC (MOA)
- Eye Relief 3.3"
- Field of View 35.8' – 13.5' @ 100 yds
- Turret Style Capped
- Tube Size 1 inch
- Adjustment Graduation 1/4 MOA
- Travel Per Rotation 15 MOA
- Max Elevation Adjustment 65 MOA
- Max Windage Adjustment 65 MOA
- Parallax Setting 100 yds (Adjustable Objective)
- Length 12.5"
- Weight 15.5 oz
- XD™ Optical System – Offers outstanding resolution, exceptional contrast and reduced chromatic aberration.
- Fully Multi-Coated Lenses – Anti-reflective coatings enhance light transmission for superior clarity and brightness.
- Dead-Hold® BDC (MOA) Reticle – Designed for accurate holdover and windage estimation at different ranges.
- Adjustable Objective (AO) – Allows shooters to dial out parallax error for greater long-range precision.
- Fast-Focus Eyepiece – Enables quick reticle focusing for a sharp, clear sight picture.
- Aircraft-Grade Aluminium Construction – Machined from a single piece for maximum durability and structural integrity.
- Low-Glare Matte Black Anodised Finish – Resistant to corrosion and wear, helping reduce reflection in the field.
- Argon Gas Purged & O-Ring Sealed – Ensures waterproof and fogproof performance in extreme weather.
- Shockproof Build – Designed to withstand heavy recoil and demanding use without compromising zero.
Dead-Hold BDC (MOA)
Customized dot design helps eliminate guesswork on holdover and windage corrections. Good for hunting/shooting at varying ranges where estimating holdover is a concern.
Subtension detail for Diamondback 3.5-10x50 riflescope with Dead-Hold BDC MOA reticle.

1. What is the magnification range?
It offers 3.5–10x magnification, suitable for short to mid-range shooting.
2. What size is the objective lens?
It has a 50mm objective lens for strong light gathering in low-light conditions.
3. What does SFP mean?
SFP (Second Focal Plane) means the reticle stays the same size as you zoom, with holdovers calibrated at a specific magnification.
4. What is the BDC reticle?
The BDC (Dead-Hold) reticle provides holdover points to help compensate for bullet drop and wind drift.
5. What is the AO feature?
AO (Adjustable Objective) allows you to fine-tune focus and reduce parallax for clearer target images.
6. Is this scope good for hunting?
Yes, it is designed primarily for hunting and general field use.
7. Is it good in low light?
Yes, the 50mm lens improves brightness during early morning and late evening shooting.
8. Is it durable enough for recoil?
Yes, it is built from aircraft-grade aluminum and designed to handle heavy recoil.
9. Is it waterproof and fog-proof?
Yes, it is fully sealed and nitrogen/argon purged for all-weather reliability.
10. Does it come with a warranty?
Yes, it is backed by Vortex’s lifetime warranty.
- Vortex International VIP Warranty
Delivery costs & estimated arrival
Find your country below for the delivery charge and how long your order should take to reach you. All orders ship with FedEx. Estimates are in working days and exclude weekends and public holidays.
| Country | Up to 2kg | 2kg – 30kg | Estimated delivery | ||
|---|---|---|---|---|---|
| Order under €350 | Order €350 & over | Order under €350 | Order €350 & over | ||
| Austria | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
| Belgium | €8.95 | €14.95 | €14.95 | €14.95 | 4-6 working days |
| Bulgaria | €11.95 | €31.95 | €31.95 | €31.95 | 7-9 working days |
| Croatia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Cyprus | €14.95 | €89.95 | €89.95 | €89.95 | Contact us |
| Czechia | €10.95 | €21.95 | €21.95 | €21.95 | 5-7 working days |
| Denmark | €10.95 | €21.95 | €21.95 | €21.95 | 4-6 working days |
| Estonia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Finland | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
| France | €10.95 | €21.95 | €21.95 | €21.95 | 4-6 working days |
| Germany | €8.95 | €14.95 | €14.95 | €14.95 | 5-7 working days |
| Greece | €11.95 | €31.95 | €31.95 | €31.95 | 8-10 working days |
| Hungary | €11.95 | €31.95 | €31.95 | €31.95 | 5-7 working days |
| Ireland | €6.95 | €6.95 | €8.95 | €8.95 | 2-4 working days |
| Italy | €10.95 | €21.95 | €21.95 | €21.95 | 5-7 working days |
| Latvia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Lithuania | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Luxembourg | €11.95 | €31.95 | €31.95 | €31.95 | 5-7 working days |
| Malta | €14.95 | €89.95 | €89.95 | €89.95 | Contact us |
| Monaco | €10.95 | €21.95 | €21.95 | €21.95 | 4-6 working days |
| Poland | €10.95 | €21.95 | €21.95 | €21.95 | 5-7 working days |
| Romania | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Slovakia | €11.95 | €31.95 | €31.95 | €31.95 | 5-7 working days |
| Slovenia | €11.95 | €31.95 | €31.95 | €31.95 | 6-8 working days |
| Spain | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
| Sweden | €11.95 | €26.95 | €26.95 | €26.95 | 5-7 working days |
Returns & withdrawal
Which option you use depends on why you are sending the item back.
Changed your mind?
You have 14 days from receiving your order to withdraw from your purchase. Use our Withdrawal from Contract form to tell us. It is the quickest way, and we will then email you a free returns label.
If you would rather post the item back yourself to our returns address in Ireland, you pay the postage. Full details are on our Returns page.
Withdrawal from ContractFaulty, damaged or wrong item?
If your item arrived faulty, damaged or not what you ordered, please follow the steps on our Returns page. We cover the cost of returning these items.
Full details of all our return options are on that page.
Returns pageDelivery prices are shown in euros and confirmed at checkout.

calcPageSize()); bodyToggle()"
/>