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SKU#O-44 Vortex

Vortex Defender 44mm Objective Flip Up Cap

9 in stock
  • Virtually Indestructible: Made from rugged, impact resistant polymer to survive the harshest field conditions.
  • Locks Flat: High tension spring loaded hinge snaps open and locks flat against the scope body for an unobstructed view.
  • Three Stop Eyepiece: Eyepiece model (E-10) features three open positions (vertical, 45°, and flat) to easily read custom dope charts.
  • Weatherproof Fit: Flexible, rubberized collar stretches easily for a secure, slip, free, and dustproof seal.
  • Broad Compatibility: Designed to fit Vortex scopes as well as matching outside diameters on other premium optics.
  • Comprehensive Sizing: Available to fit a wide range of scope measurements: Eyepiece (E-10): 40–46 mm 24mm Obj (O-24): 28.25–31.25 mm 32mm Obj (O-32): 38–41 mm 40mm Obj (O-40): 45.5–48.5 mm 44mm Obj (O-44): 48–53 mm 50mm Obj (O-50): 55–59 mm 56mm Obj (O-56): 62–66 mm
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images/assets/pdp-refresh/delivery-clock.svg Whilst we aim to dispatch in-stock items within 1 working day, please be aware that during busy periods dispatch of in-stock items may be delayed by up to 2 working days. images/assets/pdp-refresh/UK-retailer.svg Authorised UK Retailer
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Luke - Testimonial
Protect your glass with the virtually indestructible Vortex Defender Flip Up Cap Series. Engineered to withstand the harshest field conditions, these rugged, flexible caps feature a spring loaded design that folds completely flat so your line of sight is never obstructed. Build your ultimate protection system today with the customizable Defender Eyepiece Cap and a precision friction fit objective cap tailored to your scope available in 24mm, 32mm, 40mm, 44mm, 50mm, and 56mm. Backed by the legendary Vortex VIP Lifetime Warranty, these are quite possibly the last flip caps you will ever need to buy.
Luke, Operations Support Experienced in air rifle shooting, with practical experience across setup, handling, and performance.
Obsidian
Product Information FIND OUT MORE
DESCRIPTION
  • Virtually Indestructible: Made from rugged, impact resistant polymer to survive the harshest field conditions.

  • Locks Flat: High tension spring loaded hinge snaps open and locks flat against the scope body for an unobstructed view.

  • Three Stop Eyepiece: Eyepiece model (E-10) features three open positions (vertical, 45°, and flat) to easily read custom dope charts.

  • Weatherproof Fit: Flexible, rubberized collar stretches easily for a secure, slip, free, and dustproof seal.

  • Broad Compatibility: Designed to fit Vortex scopes as well as matching outside diameters on other premium optics.

  • Comprehensive Sizing: Available to fit a wide range of scope measurements:

    • Eyepiece (E-10): 40–46 mm

    • 24mm Obj (O-24): 28.25–31.25 mm

    • 32mm Obj (O-32): 38–41 mm

    • 40mm Obj (O-40): 45.5–48.5 mm

    • 44mm Obj (O-44): 48–53 mm

    • 50mm Obj (O-50): 55–59 mm

    • 56mm Obj (O-56): 62–66 mm

  • VIP Lifetime Warranty: Covered by Vortex's legendary, fully transferable, lifetime guarantee.

SPECS

Vortex Defender 44mm Objective Flip-Up Cap Specifications

  • Outside diameter: 48-53 mm | 1.89-2.08 inches
FEATURES

Vortex Defender 44mm Objective Flip-Up Cap Features

  • Outside diameter: 48-53 mm | 1.89-2.08 inches

 

WHAT'S IN THE BOX
  • Vortex Defender 44mm Objective Flip-Up Cap

FREQUENTLY ASKED QUESTION(S)

1. What does the Defender 44mm flip cap do

It protects your scope’s 44mm objective lens from dirt, dust, moisture, and impact when not in use

2. What size scopes is it compatible with

It is designed for scopes with a 44mm objective lens diameter, but you should also check your scope’s outside objective housing diameter for the best fit

3. How is it installed

It installs by pressing onto the scope’s objective bell where it fits securely via a friction‑fit design

4. Is it easy to open while shooting

Yes, the spring‑loaded hinge allows quick, one‑handed flip‑up access to the lens when you’re ready to shoot

5. Will it stay securely closed during transport

Yes, it snaps closed firmly so it won’t pop off or open unintentionally during movement

6. Does it interfere with my line of sight when open

No, once flipped up it stays low and out of the way, maintaining a clear sight picture

7. Is it weather resistant

Yes, it is designed to help protect the lens from moisture and environmental elements

8. Is it durable enough for field use

Yes, it’s made from rugged materials built to withstand outdoor use and rough handling

9. Does it work with Vortex and non‑Vortex scopes

It works best with scopes that have a 44mm objective housing diameter, typically including many Vortex models and others with matching dimensions

10. What warranty does it come with

It is covered by the Vortex VIP Lifetime Warranty, which is unlimited, unconditional, and transferable

WARRANTY
  • Vortex VIP Lifetime Warranty
DELIVERY & RETURNS

Our aim is to ensure that your order arrives with you as soon as possible and in the safest, most cost-effective means. 

Please Note: Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.

Please Note: DPD SHIPMENTS REQUIRE THE CUSTOMER TO SHOW A PIN CODE ON DELIVERY - READ MORE: HERE

COURIERS



We use DPD , RoyalMail, TNT  and UPS courier services for all our orders whether dispatching to the UK or International. As soon as your order has been dispatched you will receive an email with your unique tracking number. We are unable to add delivery notes to your order regarding safe spaces or neighbour deliveries. If you require this service it can be arranged directly with the courier once the parcel is in their network.

IN-STORE ITEMS

These are items that we have in-stock and will be sent out for delivery as soon as possible. We aim to dispatch all orders within 1-2 working days, but during busy periods dispatch may be delayed by a day or so. If you would like to purchase the item in person then please call ahead to arrange an appointment: 01803 611 895.

PRE-ORDER ITEMS

These are usually items that are going to be out-of-stock for a number of weeks or are in short supply. By purchasing a Pre-Order Item you are in effect paying a deposit for your goods. As soon as the item is back in stock yours will be dispatched within 24 hours where possible. Please see individual product pages for current back-in-stock dates. In rare occasions, these dates can be changed by the manufacturers so we recommend staying in contact with Optics Warehouse depending on the product lead time.

INTERNATIONAL DELIVERY & TAXES

In addition to the above information If your delivery address is outside of the UK you may be subject to import duties and taxes, which are levied once a shipment reaches your country. Any such additional charges for customs clearance must be borne by you. You should note that customs policies vary widely from country to country. Optics Warehouse advises each customer to contact their local customs office for further information if they are in any way unsure of local duties or liabilities. Cross border shipments are subject to opening and inspection by customs authorities which means some packages may be opened and re-sealed.

NEED HELP?

If you require any further assistance, please call us on 01803 611 895 or email sales@opticswarehouse.co.uk

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A NOTE ABOUT DPD SHIPMENTS:

  • Please be advised that we have now introduced DPD Pins to all DPD orders from Optics Warehouse.
  • If your shipment is being sent from Optics Warehouse via DPD you will be sent a Pin Code that must be shown to the courier upon delivery.
  • The pincode is sent VIA email & TEXT message. A valid email address and mobile number must be provided at checkout. Emails will be sent from "Riviera House 3PL" - if you do not receive this email please check your junk or spam folders.
  • Please note that if you do not display your pin code to the courier driver upon delivery, you will not be able to have your item and you may need to schedule another delivery date to show a valid pin.
  • Please view the attached slides HERE for further information!
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