M2A Night Vision Scope Attachment User Manual

Night Vision Instruction Manual-NightCrystal Megaorei M5 Night Vision Scope

Table of Contents (M2A Night Vision Scope Attachment User Manual)

  1. SAFETY & IMPORTANT NOTES
  2. PACKAGE CONTENTS
  3. SPECIFICATIONS
  4. INSTALLATION GUIDE
  5. BATTERY INSTALLATION
  6. CABLE CONNECTION
  7. BUTTON FUNCTIONS
  8. MENU OPERATION
  9. CALIBRATION GUIDE
  10. CAMERA SETUP
  11. IR FLASHLIGHT ADJUSTMENT
  12. TROUBLESHOOTING

1. SAFETY & IMPORTANT NOTES

🔴 Proper Shutdown Procedure

Always follow this sequence to prevent data loss:

  1. Press and hold the POWER button on the display until the device shuts down
  2. Wait for files to save automatically
  3. Turn off the battery compartment switch

⚠️ Warning:
Cutting power directly without proper shutdown may result in corrupted or lost files.

⚠️ Safety Warnings

  • Do NOT look directly into the infrared (IR) light
  • IR light may cause eye discomfort or damage
  • Remove the protective screen film before use (it may have scratches from transport)

2. PACKAGE CONTENTS

✔ Option 1 (Standard Kit)

  • Display Sunshade
  • Night Vision Camera (3MP, 720P, 16mm Lens, Adjustable Focus)
  • 4.3″ LCD Display (Video / Photo Recording, TF Card Slot)
  • 850nm IR Flashlight (Adjustable Beam)
  • Camera Tube (Fits 39–49mm eyepiece)
  • 25.4mm Display Mount
  • 30mm Display Mount
  • IR Flashlight Mount
  • Screwdriver
  • Camouflage Tape (Random Color)

✔ Option 2 (Full Kit)

  • Display Sunshade
  • Night Vision Camera (3MP, 720P, 16mm Lens, Adjustable Focus)
  • 4.3″ LCD Display (Video / Photo Recording, TF Card Slot)
  • 850nm IR Flashlight (Adjustable Beam)
  • Camera Tube (Fits 39–49mm eyepiece)
  • 25.4mm Display Mount
  • 30mm Display Mount
  • IR Flashlight Mount
  • Screwdriver
  • Camouflage Tape (Random Color)
  • 3 × 18650 Rechargeable Batteries
  • 1 × USB Battery Charger
  • 1 × 32GB TF Card

Night Vision Instruction Manual-NightCrystal Megaorei 5 Night Vision Scope Lens & 850NM 940NM Options

3. SPECIFICATIONS

ItemDetails
Display4.3 inch LCD
Camera3MP, 720P, 16mm Lens
IR Light850nm Infrared
Night Vision Distance200–400 meters
Video Resolution1280 × 720p
Video FormatAVI
Photo FormatJPG
Storage32GB TF Card/Micro SD Card (Support up to 128GB)
Power Supply3 × 18650 Batteries
Battery LifeLCD: 5–8h / IR: 4–6h

🔧 Compatibility

  • Scope Tube: 25mm / 30mm
  • Eyepiece Diameter: 39–49mm

👉 If your scope is smaller, use included camouflage tape to increase diameter.

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4. INSTALLATION GUIDE

  1. Insert batteries (2 for display, 1 for IR flashlight)
  2. Insert TF card into display
  3. Mount display and IR flashlight onto scope
  4. Attach camera tube to eyepiece and tighten screws
  5. Power on device
  6. Adjust camera lens for clear image

📌 Tip:
If image becomes blurry at different distances, slightly adjust the camera position relative to the scope.

🔘 Power ON / OFF

Power ON:

  1. Turn battery switch ON
  2. Press and hold POWER button

Power OFF:

  1. Press and hold POWER button
  2. Turn battery switch OFF
Night Vision Instruction Manual-Size of NightCrystal 5 Night vision Camcorder with Adjustable Diopter Lens (www.nightcrystal.com)

5. BATTERY INSTALLATION

🔋 Important Notes

  • Remove insulation film before use
  • Follow polarity markings inside compartment

Display Battery

  • Short spring → Positive (+)
  • Long spring → Negative (–)

Flashlight Battery

Positive toward front

Negative toward spring (rear cap)

Night Vision Instruction Manual-NightCrystal Megaorei M5 Hunting Night Vision Rifle Scope Hunting Camera Part Illustration 2
Night Vision Instruction Mnaual NightCrystal Megaorei M5 Night Vision Scope Illustration 1

Correct connection is critical:

  • Camera cable → Bottom USB port
  • Display cable → Top USB port

⚠️ Incorrect connection may cause:

  • “No file” error
  • Recording failure
  • Data not saved
Night Vision Instruction Manual-NightCrystal Megaorei M5 Night Vision Scope with 21mm Picatinnny Rail Mount

7. BUTTON FUNCTIONS

(All buttons are located on the back of the display)

Power Button: Long press to turn ON/OFF

OK/Menu Button:

Long press → Open/Exit Menu

Short press → Confirm

UP / DOWN Buttons: Navigate menu

Night Vision Instruction Manual-NightCrystal Megaorei M5 Black Hunting Night Vision Rifle Scope Button Definition

9. CALIBRATION GUIDE

For best image clarity:

Align IR beam with scope view

  1. Align camera with scope eyepiece center
  2. Adjust scope focus first (daytime recommended) Fine-tune camera lens focus Switch mode
    • Day Mode → Color
    • Night Mode → Black & White
  3. Turn on IR flashlight in darkness
  4. Adjust IR beam (focus & brightness)
  5. Align IR beam with scope view
M5 Night Vision Instruction Manual-NightCrystal Megaorei M5-Intuitive On-Screen Icons & Movable Crosshairs
  • Use Day Mode during daytime (prevents overexposure)
  • Use Night Mode + IR light in darkness

📌 Note:
IR light is invisible to naked eyes but enhances camera visibility.

M5 Night Vision Iinstruction Manual-NightCrystal Megaorei M5 Night Vision Scope Clarification

11. IR FLASHLIGHT ADJUSTMENT

  • Extend head → Narrow beam (long distance)
  • Retract head → Wide beam (short distance)

Adjust based on environment and target distance.

M5 Night Vision Instruction Manual-NightCrystal Megaorei M5 Night Vision Rifle Scope Hunting Video Camera DVR-IR Flashlight Adjustment

14. TROUBLESHOOTING

Screen turns off automatically

→ DiScreen turns off automatically

→ Disable “LCD OFF” in settings


“No file” after recording

→ Check cable connections


IR light not visible

→ Normal (IR is invisible)
→ Check via camera or against wall


Image too dark

  • Switch to Night Mode
  • Turn on IR flashlight
  • Adjust beam focus

Image too bright

  • Switch to Day Mode
  • Reduce IR intensity
  • Lower screen brightness

Blurry image

  • Adjust scope focus first
  • Adjust camera lens second

Crosshair not centered

→ Adjust camera tube alignment


Device not turning on

  • Check battery polarity
  • Charge batteries
  • Use high-quality batteries

Screen flickering

→ Battery power too low or unstable


✅ FINAL NOTES

  • Use high-quality 18650 batteries
  • Proper alignment = best performance
M5 Night Vision Instruction Manual-NightCrystal Megaorei M5 Night Vision Scope Hunting Camera with 50mm Objective Lens
NightCrystal Night Vision Scope M5 (white)

M5 Night Vision Scope with Picatinny Rail Mount

(10 customer reviews)
Price range: $89.99 through $99.99

The Easiest Hunting 850nm 940nm Infrared Night Vision Scope Affordable; Full Color View in Daytime, Black & White in Nighttime; 1080p Hunting Adventure Footage; Adjustable Crosshairs & 1x-4x Digital Zoom; Versatile Charging Options with Built-in USB-C Interface;

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