Sig Sauer ECHO3 Thermal Reflex Scope Review

Written By Annalena Wood

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The ECHO3 Thermal Reflex Sight is the latest design from Sig Sauer. Advanced BDX Technology is used in this reflex sight, which helps to shoot the target accurately.

Due to the innovative and compact design of this thermal reflex sight, it allows the shooter to sit comfortably and see the thermal view of the surroundings until they find the target.

Using the advanced technologies and the features of this thermal sight, you can easily focus on the hidden target in the day and night time.

If you want the best product for your hunting, the Sig Sauer ECHO3 2-12x Thermal Reflex Sight is a perfect choice.

The output quality of this thermal reflex sight is better than the other products in the market.

Sig Sauer ECHO3 Thermal Reflex Scope Review

Sig Sauer ECHO3

Magnification: 2 – 12x

  • Objective Lens: 23 mm
  • Reticles: Multiple Reticles
  • Water-Resistant Level: IPX6
  • Sensor Resolution: 320×240
  • Refreshing Rate: 30 Hz
  • Sensitivity: 12 µm
  • Adjustment Type: MOA
  • Field Of View: 10 Degrees
  • Brightness Setting: 6
  • Color Palettes: 11
  • Battery Type: CR123
Sig Sauer ECHO3

Magnification: 1 – 6x

  • Objective Lens: 23 mm
  • Reticles: Multiple Reticles
  • Water-Resistant Level: IPX6
  • Sensor Resolution: 320×240
  • Refreshing Rate: 30 Hz
  • Sensitivity: 12 µm
  • Adjustment Type: MOA
  • Field Of View: 10 Degrees
  • Brightness Setting: 6
  • Color Palettes: 11
  • Battery Type: CR123

Compact and Sturdy Construction

The Sig Sauer ECHO3 Thermal Reflex Scope has a compact design so that you can comfortably use this scope to all size rifles.

The materials used in the thermal reflex scope have the IPX-6 rating; due to these materials, this scope has the waterproof feature.

The total dimension of this scope is 4.3×2.6×3.3 inches; it is specially designed for predator and hog hunting.

The weight of this thermal reflex scope is 14.3 oz. By using this scope, you can improve your situational awareness.

Due to the design of this reflex scope, you can easily disconnect this scope from the mount.

Thermal Technology

The VOx LWIR Core is used as the thermal sensor of this ECHO3 Thermal Reflex Scope; it is an uncooled type thermal sensor so that it will detect the heat signature of your surroundings.

The high resolution of this sensor is 320×240 pixels so that you can get a clear view of the target.

The pixel pitch of this sensor is 12µm; due to this pitch range, you can get a detailed view of the medium-range target.

The refreshing rate of this sensor is 30 Hz; due to this frequency rate, it will refresh the image 30 times per second so that you can view the real-time image of the target and help to shoot the moving target.

Display

There are some hunters who like to record their hunting experience with good quality; this thermal reflex scope comes with the innovative direct-view thermal display.

This is a massive improvement than the traditional eyepiece scope; due to this display, you can see the high-quality image of the target.

Moreover, this Sig Sauer ECHO3 Thermal Reflex Scope has the motion-activated MOTAC display; due to this feature, the screen is automatically powered up when it senses the motion. 

Magnification

The magnification range is one of the important features to consider in the thermal scope.

The clear view of the long-distance target depends on the magnification range of the scope.

The magnification range of the latest version of this Sig Sauer ECHO3 Thermal Reflex Scope is from 2x to 12x; due to this magnification range, you can get the crisp and clear view of the long-distance target.

The digital zooming range of this thermal scope is 6x; by using this electronic zooming, you can improve to quality of view of the long-distance.

The field of view of this scope is 10 degrees so that you can view the wide view of your surroundings. 

The magnification is the only difference between the previous version of this thermal scope.

The magnification range of the first version Sig Sauer ECHO3 Thermal Reflex Scope is from 1x to 6x; this range is the best choice for hog hunting.

The people who are looking for the thermal scope to shoot the medium-range target, this 1-6x magnification range Sig Sauer ECHO3 Thermal Reflex Scope, is the suitable one for you.

The difference between the magnification range 1-6x and 2-12x is helping to view the target in long-distance; otherwise, both scopes provide the same quality of view of your surroundings. 

Objective Lens

This Sig Sauer ECHO3 Thermal Reflex Scope has a 23 mm objective lens; due to this high-quality lens, you can view the clear view of the target.

You can easily adjust this lens with the optional throw lever attachment; it ensures that you can adjust the level of the optical lens for your comfortable view.

There are 6 brightness options available in this scope; by using this, you can adjust the brightness level of the scope to clearly view the target in all weather conditions.

MOA is the adjustment type of this Sig Sauer ECHO3 Thermal Reflex Scope; you can adjust the elevation and windage 0.5 MOA per click. The total adjustment range of the elevation and windage is 150 MOA.

Color Palettes

This Sig Sauer ECHO3 Thermal Reflex Scope is designed with multiple color palettes options; this feature will help you to find the target in all weather conditions.

Sig Sauer ECHO3 2-12x color
Sig Sauer ECHO3 Color Palettes

There are 11 color palettes options available in this thermal scope. The Black Hot, White Hot, Red Hot, Red, Edge, Rainbow, Tyrian, Fire, Iron, Green, and Copper are the color palettes options of this thermal scope.

The heat signatures are shown in a different color in various color palettes. It allows you to see the heat signature in what color you want.

BDX Technology

This Sig Sauer ECHO3 Thermal Reflex Scope is designed with the BDX technology. This feature will help you to choose the color palettes that are suitable for the environment.

Sig Sauer ECHO3 Reticle Options

Due to the BDX reticle technology of this scope, you can shoot exactly on the hidden target.

The KILO BDX Rangefinder of this scope will show the exact height and size of the long-distance target.

This BDX Technology of this scope helps to improve your hunting experience. 

Video Recorder

This Sig Sauer ECHO3 Thermal Reflex Scope is equipped with the video recorder; by using this feature, you can capture your hunting experience in image and video format.

The memory card is also included in this thermal scope; you can store the image and video in this SD card. You can also activate the recoil activation mode of this scope; due to this mode, it will automatically record your hunting experience.

This thermal scope also has the Wi-Fi and Bluetooth connectivity feature; due to this feature, you can connect your scope with Your Smartphone, and transfer the data from the scope to other devices.

Battery Life

The CR123 battery is used to power this Sig Sauer ECHO3 Thermal Scope; by using this battery, you can continuously use this scope for 6 hours.

This is a rechargeable type battery so that you can use the charging Kit and USB cable to charge the battery. 

MAGNIFICATION: 2 – 12X

MAGNIFICATION: 1 – 6X

Final Words

This Sig Sauer ECHO3 Thermal Reflex Scope has a sturdy and durable construction so that you can use this scope in all weather conditions.

This Thermal Reflex scope is the perfect choice for outdoor use. The innovative features and the advanced technology of this scope will help you to get the crisp and clear image of the target.

Using this Sig Sauer ECHO3 Thermal Reflex Scope helps you to shoot exactly in both day and night time.

About Annalena Wood

Annalena is carrying her rifle with passion and pride for her love of the outdoors and the experience of hunting. Her most memorable hunting season was back in 2015 when she and her dad were drawn for special elk tags. That allowed them the chance to fill their tags with an actual bull elk rather than a spike. That year both her and her dad came home with their first trophy elks, with hers a 6 by 6 pointer and her dad’s a 6 by 5.

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