Delta Optical Titanium RF-4000 4000m Laser Rangefinder
Constructed to guarantee dependability and speed, the RF-4000 offers accurate readings with a remarkable range of 4.6 meters to 3660 meters, with an accuracy tolerance of +/- 1 meter. With a broad tilt angle range of +/- 89°, measurements are returned in a little 1.5 seconds. The RF-4000's premium multi-layer coatings on all lenses optimize light transmission and improve image clarity, and its 6x magnification and 905 nm laser wavelength provide crisp, distinct images.
The Delta RF-4000 is designed to give users a wide perspective when scanning big regions, with a field of vision of 105 meters at 1000 meters and an angle field of view of 6°. With a 17 mm exit pupil and a diopter adjustment of +/- 3D, the rangefinder also provides a comfortable user experience, allowing users to alter images to their liking. With a weight of just 190 grams and an IPX4 water resistant rating, it is both lightweight and portable, making it suitable for outdoor use.
A single CR2 battery powers the Delta Titanium RF-4000, ensuring sustained operational effectiveness. A handy hand strap, a protective cover, a warranty card, a cleaning cloth, and a manual are included with every purchase to help keep the rangefinder in optimal shape. With a 60-month guarantee, the RF-4000 is a great tool for people who need accuracy and dependability in a small, sophisticated rangefinding device. It is also an investment in precision that is supported for a long time.
- Minimum Measurement Range 4.6 m
- Maximum Measurement Range 3660 m
- Measurement Accuracy +/- 1 m
- Measurement Speed Up to 1.5 s
- Tilt Angle Range +/- 89°
- Laser Wavelength 905 nm
- Lens Diameter 23 mm
- Magnification 6x
- Linear Field of View at 1000 m 105 m
- Angular Field of View 6°
- Exit Pupil 17 mm
- Diopter Adjustment +/- 3D
- Weight 190 g
- Water Resistance Class IPX4
- Power Source 1x CR2 battery
- Warranty Period 60 months
- Compact and lightweight design for portability
- Suitable for hunting, shooting, and sailing applications
- Accurate distance measurement for both stationary and moving targets
- Real-time display on eyepiece screen for unobstructed viewing
- Multi-coated lenses for enhanced clarity and brightness
- Quick measurement response within 1.5 seconds
- Wide field of view for scanning large areas
- Adjustable diopter for personalized focus
- Water-resistant build (IPX4 rating) for outdoor use
- Long warranty period of 60 months for reliability and peace of mind

- Delta Optical Titanium RF-4000 Laser Rangefinder
- Manual
- Warranty card
- Hand strap
- Cover
- cleaning cloth
- Delta Optical 60 month (5 year) warranty
Tactical Scope Shipping Policy
Our aim is to ensure that your order arrives with you as soon as possible and in the safest, most cost-effective means.
Shipping charges may be subject to additional surcharges if out of area or over weight restrictions.
DPD SHIPMENTS REQUIRE THE CUSTOMER TO SHOW A PIN CODE ON DELIVERY – READ MORE: HERE
Note: The above DPD link is to our group partner site Optics Warehouse, with whom we share logistics and stock. Link opens in a new window.
Couriers




We use DPD, Royal Mail, TNT, and UPS courier services for all our UK and international orders. Once your order is dispatched, you will receive an email with your unique tracking number.
In-Store Items
These are items we have in stock and aim to dispatch within 1–2 working days. During busy periods, this may be delayed slightly. If you'd prefer to collect your item in person, please contact us in advance to arrange. Collection orders must be paid for beforehand.
Pre-Order Items
Pre-order items are typically out-of-stock or in limited supply. Purchasing a pre-order secures your item, and it will be dispatched within 24 hours of restock where possible. Check the product page for estimated restock dates. These dates may change, so staying in touch is advised.
International Delivery & Taxes
If your shipping address is outside the UK, you may incur import duties or taxes upon arrival in your country. These charges are your responsibility. Customs regulations vary, so please check with your local customs office. Some packages may be opened for inspection.
Need Help?
If you need assistance, call us at +44 (0)1803 611895 (Optics Warehouse) or email order@tacticalscope.co.uk.
DPD Shipments & PIN Code Delivery
We have now introduced DPD Pin Code verification for all orders shipped via DPD. You will receive a PIN via email and text.
A valid email and mobile number must be provided at checkout. Emails will come from Riviera House 3PL. Please check spam/junk folders if not received.
Failure to present your PIN to the delivery driver will result in a failed delivery and rescheduling may be required.