HIKMICRO ALPEX A40E 4K Digital Day & Night Vision Scope 40mm
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The HIKMICRO ALPEX 4K Lite A40E Digital Day & Night Vision Riflescope brings 4K UHD imaging to a compact, traditional-style digital optic. Featuring a 3840 × 2160 CMOS sensor and 40mm F2.0 objective lens, it delivers detailed daytime images and versatile digital night vision for pest control, small game shooting and low-light observation.
Its 1920 × 1080 OLED display, 3.5× base magnification and wide field of view make the A40E particularly well suited to users looking for a lightweight digital riflescope without the bulk of larger night vision systems.
The ALPEX 4K Lite combines recoil-activated video recording, multiple viewing modes, digital zeroing functions and a dual-battery power system. A standard 30mm mounting tube allows it to be fitted using compatible riflescope rings.
Key Features
- 3840 × 2160 4K UHD CMOS sensor
- 40mm F2.0 objective lens
- 1920 × 1080 OLED display
- 3.5× to 20.5× magnification
- 50Hz at 4K resolution and 100Hz at 1080p
- Day, Night, Auto, Green and Yellow viewing modes
- Wide 18.7m field of view at 100m
- 32GB built-in recording storage
- Recoil-activated video recording with audio
- Picture-in-picture function
- Five zeroing profiles
- Internal rechargeable battery plus replaceable 18650 battery
- Up to 7.5 hours operating time under specified conditions
- Standard 30mm mounting tube
- Compact 4K Lite design
Technical Specifications
| Brand | HIKMICRO |
| Model | ALPEX 4K Lite A40E |
| Supplier SKU | HM-A40E |
| Technology | 4K digital day and night vision |
| Sensor | CMOS |
| Sensor Resolution | 3840 × 2160 |
| Frame Rate | 50Hz (4K) / 100Hz (1080p) |
| Objective Lens | 40mm F2.0 |
| Magnification | 3.5×–20.5× |
| Field of View | 18.7 × 10.1m at 100m |
| Display | 0.49-inch OLED |
| Display Resolution | 1920 × 1080 |
| Image Modes | Day / Night / Auto / Green / Yellow |
| Minimum Focus Distance | 2m |
| Eye Relief | 45mm |
| Dioptre Adjustment | -5D to +5D |
| Video Recording | 1920 × 1080 with audio |
| Recoil-Activated Recording | Yes |
| Internal Storage | 32GB eMMC |
| Picture-in-Picture | Yes |
| Zeroing Profiles | 5 |
| Battery System | Internal rechargeable battery and replaceable rechargeable 18650 |
| Operating Time | Up to 7.5 hours |
| Charging Interface | USB Type-C |
| Mounting | 30mm tube |
| Integrated LRF | No |
| Ballistic Calculator | No |
4K UHD Imaging & OLED Display
The ALPEX A40E features a 3840 × 2160 CMOS sensor designed to capture fine detail in daylight and low-light conditions. The 40mm F2.0 objective lens provides a wide field of view while maintaining a compact overall design.
A 0.49-inch OLED display with 1920 × 1080 resolution delivers a detailed image through the eyepiece. The scope supports 50Hz imaging at 4K resolution and 100Hz operation at 1080p.
Day & Night Viewing Modes
Five selectable image modes allow the A40E to adapt to different lighting conditions and viewing preferences:
- Day – full-colour daytime imaging
- Night – monochrome night vision
- Auto – automatic day/night mode switching
- Green – green-toned viewing
- Yellow – yellow-toned viewing
For effective viewing in complete darkness, the scope should be used with a compatible external IR illuminator.
Magnification & Zeroing
The A40E offers magnification from 3.5× to 20.5×, allowing the viewing image to be adjusted to suit different distances.
Five zeroing profiles provide flexibility for different setups, while freeze-zeroing helps simplify the sighting-in process. The picture-in-picture function allows a magnified area of the image to be viewed alongside the main field of view.
Its traditional 30mm tube design is compatible with suitable riflescope rings, sold separately.
Recording & Digital Features
The built-in 32GB eMMC memory provides storage for photographs and Full HD video recordings without the need for an additional memory card.
Audio recording and recoil-activated capture allow shooting footage to be recorded automatically, while picture-in-picture provides an additional magnified view when required.
Battery System & Runtime
The ALPEX A40E combines an internal rechargeable battery with a removable rechargeable 18650 battery, providing a flexible power system for longer sessions.
HIKMICRO specifies up to 7.5 hours of continuous operation at 25°C with the hotspot function switched off. Actual runtime will vary according to temperature, recording activity and other settings.
The removable battery can be charged using the supplied battery charger. A USB Type-C connection is also provided for the scope.
What's in the Box?
According to the HIKMICRO ALPEX 4K Lite quick-start guide, the standard package includes:
- HIKMICRO ALPEX 4K Lite A40E digital riflescope
- 1 × removable rechargeable battery
- Battery charger
- USB Type-C cable
- Lint-free cleaning cloth
- Quick-start guide
Mounting rings are not included. A compatible external IR illuminator is required for effective use in complete darkness and is not listed among the standard package contents.
Manufacturer Warranty
The HIKMICRO ALPEX 4K Lite A40E is covered by a 3-year manufacturer warranty against manufacturing defects in the main unit.
The removable rechargeable battery is covered by a 1-year manufacturer warranty, subject to HIKMICRO's warranty conditions.
Eligible products registered to a HIKMICRO account within 30 days of purchase may qualify for an additional 180 days of warranty coverage under HIKMICRO's extended warranty programme.
Proof of purchase is required for warranty claims. For assistance, contact sales@bamfordguns.co.uk with your order details.
Your statutory consumer rights are unaffected.
Frequently Asked Questions
Is the ALPEX A40E a 4K riflescope?
Yes. It features a 3840 × 2160 UHD CMOS sensor and a 1920 × 1080 OLED display.
Can it be used in daylight?
Yes. The A40E is designed for full-colour daytime use and digital night vision.
Does it have an integrated laser rangefinder?
No. The A40E is the non-LRF model. The A40EL is the corresponding version with an integrated laser rangefinder.
Does it have a ballistic calculator?
No. The A40E does not feature an integrated ballistic calculator.
What batteries does it use?
An internal rechargeable battery and a removable rechargeable 18650 battery.
Does it include mounting rings?
No. Compatible 30mm mounting rings are required separately.
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