Delta Optical Titanium RF-4000 3660m 6x Hunting Tactical Long Range Laser Rangefinder

• 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

• Extensive Range: Measures from ~4.6 m up to 3660 m with ±1 m accuracy — suitable for long-range shooting, hunting, and terrain reconnaissance.

• 6× Magnification & 23 mm Lens: Bright, detailed view helps you identify targets and terrain features before or while ranging.

• Quick Readout (~1.5 s): Fast measurement returns let you lock in distance without hesitation — perfect for dynamic field conditions.

• Angle / Tilt Compensation: Measures on steep terrain up to ±89°, giving useful data whether you’re ranging in hills or valleys.

• Integrated Display: Distance results overlay clearly in the eyepiece so you can range without obscuring your target picture.

• Lightweight & Water-Resistant: At around 190 g with IPX4 water resistance, it’s rugged and easy to carry on hunts or hikes.

• Single CR2 Battery: Long life power with a simple, easy battery change.

• Adjustable Diopter: Personalised focus ensures the display and optics match your vision.

• 5-Year Warranty: Long support period for confidence in reliability

• Delta Optical Titanium RF-4000 Laser Rangefinder
• Manual
• Warranty card
• Hand strap
• Cover
• cleaning cloth

Q: What distances can this LRF measure?
A: It ranges from ~4.6 m up to 3660 m — extremely long for a compact unit.

Q: How accurate is it?
A: Typical accuracy is ±1 m across most of the range.

Q: Why is tilt/angle compensation useful?
A: On steep hills or valleys, the laser reads line-of-sight distance. Angle compensation converts that into more meaningful horizontal distances — critical for hunters and shooters where uphill/downhill shots affect holdover and trajectory. Tip: Use this when stalking in mountainous terrain to avoid range errors from steep angles.

Q: What does the in-viewfinder display show?
A: Results are superimposed in the eyepiece display so you see distance while still keeping the target in view. Tip: Keep both eyes open and focus on the target first, then glance at the readout for context.

Q: How fast does it measure?
A: Typically about 1.5 seconds for each reading — fast enough for dynamic use

Q: How do I hold it for best results?
A:

• Hold steady with two hands or rest on a stable surface to reduce hand shake.

• Aim at a high-contrast area on the target (e.g., metal plate, animal shoulder) for the strongest laser return. Tip: Dark, leafy backgrounds sometimes scatter the beam; picking a dense feature improves reads.

Q: Can it measure moving targets?
A: Yes — it will range both stationary and moving objects if you keep the laser steady on the target. Tip: Slight anticipation and smooth trigger press helps lock the measurement quickly on moving game or distant vehicles.

Q: How does water resistance help?
A: With IPX4 splash resistance, mist and light rain won’t stop it — useful in unpredictable weather. Tip: Wipe lenses after heavy rain to maintain clarity. 

Q: What battery does it use?
A: Runs on a single CR2 battery — simple to change and widely available. Tip: Carry a spare on full-day hunts as battery performance drops in cold weather.

Q: Can it help with ballistic holdovers?
A: It provides accurate distance data, but doesn’t calculate exact ballistic solutions. Tip: Use it with a ballistic app or drop chart for best precision on long shots.

• Delta Optical 60 month (5 year) warranty