Description
The EOTech Vudu 3.5-18x50 FFP Riflescope VDU3-18FFH59 is a high-performance optic designed for precision long-range shooting. This first focal plane (FFP) scope features a versatile 3.5-18x magnification range and a large 50mm objective lens, providing excellent light transmission and clarity across its entire zoom range[1].
Built with a robust 34mm tube, the Vudu 3.5-18x50 FFP offers exceptional durability and ample internal adjustment range. The scope incorporates EOTech's XC High-Density glass, delivering edge-to-edge clarity and efficient light transmission. Its oversized, precision-machined turrets with EZ Chek Zero Stop allow for quick adjustments and easy return to zero, even in low-light conditions[1].
The VDU3-18FFH59 model comes equipped with the H59 reticle, a popular choice among long-range shooters. This reticle provides precise hold points for elevation and windage corrections, enhancing accuracy at extended distances. The side-mounted parallax adjustment enables easy fine-tuning of the reticle focus, ensuring optimal target acquisition[1].
Ideal For: Long-range hunters, competitive shooters, and tactical operators who demand precision and reliability in various environmental conditions.
Features:
- FIRST FOCAL PLANE: Reticle scales with magnification, maintaining accurate holdovers throughout the zoom range
- XC HIGH-DENSITY GLASS: Provides exceptional clarity and light transmission for improved target identification
- EZ CHEK ZERO STOP: Allows quick return to zero after making elevation adjustments
- SIDE PARALLAX ADJUSTMENT: Enables easy fine-tuning of reticle focus for improved accuracy
- PUSH-BUTTON ILLUMINATION: Offers multiple brightness settings for reticle visibility in various light conditions
- AIRCRAFT-GRADE CONSTRUCTION: Single-piece 34mm tube made from durable aluminum with anodized finish
- WEATHERPROOF DESIGN: Nitrogen-purged, fog-resistant, and water-resistant for all-weather performance
- H59 RETICLE: Advanced grid-style reticle with precise holdover and windage correction points
Specifications:
| Specification | Value |
|---|---|
| Magnification | 3.5-18x |
| Objective Lens Diameter | 50mm |
| Tube Diameter | 34mm |
| Reticle | H59 |
| Focal Plane | First Focal Plane (FFP) |
| Eye Relief | 3.54-3.97" (90-101 mm) |
| Field of View @ 100 yards | 29.5 ft @ 3.5x, 5.7 ft @ 18x |
| Adjustment Per Click | 0.1 MRAD |
| Total Elevation Adjustment | 29 MRAD |
| Total Windage Adjustment | 17 MRAD |
| Parallax Adjustment | 50 yards to infinity |
| Length | 15.13" (384 mm) |
| Weight | 33.6 oz (952 g) |
| Illumination | Yes, push-button control |
| Battery Type | CR2032 |
Included in the box:
- Vudu® 3.5-18x50 FFP Rifle Scope
- Operator Manual
- Reticle Manual
- Throw Lever
- Lens Cleaning Cloth
- Zero Stop Wrench
- Battery
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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)