Description
Unlock the full potential of your outdoor adventures with the Kahles Helia Mono LRF 7x25mm 20020—a state-of-the-art optic designed for precision and reliability. This compact laser rangefinder is the perfect tool for rifle scope shoppers who demand accuracy in diverse environmental conditions. Whether you are tracking game or sizing up a target, the Helia Mono LRF delivers crisp visuals and accurate distance measurements along with the added advantage of Enhanced Angle Compensation technology.
The Kahles Helia Mono LRF specializes in precise distance readings with a range of 10 to 2000 yards, tailored to the needs of sharpshooters and hunters alike. It boasts one-yard accuracy up to 100 yards with incremental accuracy improvements at greater distances. Spot and scan modes, coupled with an OLED display featuring adjustable brightness, provide rapid and clear feedback in any light, ensuring you can take your shot with confidence.
Designed with ergonomics in mind, the Kahles Helia Mono LRF fits comfortably in your hand and can be operated with ease even while wearing gloves. Its rugged construction ensures durability in the field, without compromising on functionality. The eye relief feature is a bonus for eyeglass wearers, and the intuitive placement of control buttons means less fumbling and more focusing on the task at hand.
Features
- PRECISION SHOOTING: Offers outstanding range of 10-2000 yards with varying accuracy levels, ensuring precise distance measurements.
- ADVANCED OPTICS: Features 7x magnification and a 25mm objective lens, providing a wide field of view.
- ANGLE COMPENSATION: Enhanced Angle Compensation technology for uphill and downhill shots, optimizing your aiming process.
- VERSATILE DISPLAY: Equipped with an OLED display with five brightness settings, easily switch between yard and meter readings.
- USER-FRIENDLY OPERATION: Ergonomically designed for a comfortable grip, optimized for both eyeglass and non-eyeglass wearers.
- ROBUST & LIGHTWEIGHT: Compact and sturdy design, weighing just 7.8 ounces, making it ideal for on-the-go use.
- ENVIRONMENTAL DATA: Measures temperature and air pressure to inform your shooting strategy.
- STRATEGICALLY PLACED CONTROLS: Easy-to-use buttons strategically placed for efficient operation.
Specifications
| Feature | Specification |
|---|---|
| Weight | 2.5 lbs / 40 oz |
| Warranty | 3 years |
| Detector | 384x288 Microbolometer |
| Display | 1280x720x2 px |
| Expected Battery Life | 16+ hrs |
| Length | 9.4" |
| Magnification | 2x - 8x |
| Field Of View | 12° x 9.5° |
| Objective Lens Diameter | 25mm |
| Polarity Modes | Color / Black & White |
| Quick Detach Mount | No |
| Width | 5" |
| Battery Type | Li-ion |
WHAT'S IN THE BOX?
- Kahles Helia Mono LRF 7x25mm 20020 Laser Rangefinder
- Durable Carrying Case
- Battery (for immediate operation)
- Cleaning Cloth
- User Manual
- Neck Strap (for easy carrying)
- Warranty Registration Card
- Quick Start Guide
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Optics Knowledge Center
Understanding Rifle Scope Basics
Magnification
Magnification refers to how much larger an object appears through the scope compared to the naked eye. Fixed power scopes have one magnification setting, while variable power scopes offer a range (e.g., 3-9x).
Objective Lens
The objective lens is the front lens that gathers light. Larger objective lenses (measured in mm) gather more light, providing brighter images in low-light conditions but add weight and require higher mounting.
Reticle
The reticle (crosshair) is the aiming point inside the scope. Modern scopes offer various reticle designs, from simple duplex crosshairs to complex ballistic reticles with holdover points for different distances.
Adjustments
Rifle scopes have turrets for windage (horizontal) and elevation (vertical) adjustments. These are measured in MOA (minutes of angle) or MRAD (milliradians) and allow precise aiming adjustments.
Proper Scope Mounting Guide
Select the Right Rings & Base
Choose rings that match your scope's tube diameter (typically 1", 30mm, or 34mm). Select a base compatible with your rifle's receiver. For heavy-recoiling rifles, opt for stronger mounts.
Install the Base
Clean the receiver and base thoroughly. Apply a small amount of blue Loctite to the screws. Attach the base to the receiver and torque the screws to manufacturer specifications.
Attach the Rings
Attach the bottom halves of the rings to the base. Place the scope in the rings and loosely attach the top halves. Don't fully tighten yet.
Set Eye Relief & Level
Position the scope for proper eye relief (3-4 inches) in your normal shooting position. Ensure the reticle is level using a scope leveling tool. Once positioned correctly, tighten the rings evenly in a cross-pattern.
Scope Zeroing Tips
Start Close
Begin zeroing at a shorter distance (25-50 yards) to ensure you're on paper before moving to your desired zero distance (typically 100 yards).
Use a Stable Rest
Always zero your rifle from a stable shooting position using a bench rest, sandbags, or a shooting rest to eliminate as much human error as possible.
Fire Groups
Fire 3-shot groups before making adjustments. This provides a more accurate representation of where your rifle is shooting than single shots.
Make Deliberate Adjustments
Know your scope's adjustment values (typically 1/4 MOA per click). If your group is 2 inches low at 100 yards, you'll need to adjust up 8 clicks (for a 1/4 MOA scope).
Confirm Your Zero
After making adjustments, fire another group to confirm your zero. Repeat the process until your point of impact matches your point of aim.
Document Your Settings
Once zeroed, record your settings including distance, ammunition used, and environmental conditions for future reference.
Optics Maintenance & Care
Cleaning Lenses
- Start by blowing or brushing away loose particles
- Use a lens pen or microfiber cloth for fingerprints
- For stubborn dirt, use lens cleaning solution (never household cleaners)
- Clean with gentle circular motions from center outward
Protecting Your Optics
- Always use lens caps when not in use
- Store in a dry place with silica gel packets
- Avoid extreme temperature changes
- Use a quality scope cover in harsh conditions
Regular Maintenance
- Check and tighten mount screws periodically
- Inspect O-rings and seals for damage
- Verify zero after rough handling
- Clean the exterior with a damp cloth
What to Avoid
- Never use fingers to touch lenses
- Avoid paper products (tissues, paper towels) on lenses
- Don't use acetone, alcohol, or household cleaners
- Never disassemble your scope (voids warranty)