5 Best 2×4 Auto Darkening Welding Lens Reviews – Buying Guides [2021]

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Welding lens is a crucial component for every welder. It is quite challenging to find out the best welding lenses. Because of their functionality, many favor the auto-darkening welding lens.

Why most of the professional welders prefer auto-darkening welding lens? Because they respond automatically to the generated light during welding.

These types of welding lest can adjust automatically within a nanosecond to the required shade that protects your vision.

The ultraviolet and infrared light or sparks that cause damage to your eyes and face. Therefore, you need to choose the best lens for your eye protection.

In this blog post, we are going to take a closer look at the best 2×4 auto-darkening welding lens that are available in the market.

We will do several 2×4 auto-darkening welding lens reviews that will highlight some things you will like.

So let’s take a closer look and find out your desired product.

5 Best 2×4 Auto Darkening Welding Lens Comparison Chart:

Preview Product Ratings Price
Hobart 500559 Handler 140 MIG Welder 115V5.0Check Latest Price
Hobart 500554001 Handler 190 with SpoolRunner 100 4.8Check Latest Price
Lotos TIG200ACDC 200A AC/DC Aluminum Tig Welder4.8Check Latest Price
SUNGOLDPOWER 200Amp MIG MAG ARC MMA Stick DC Welder4.8Check Latest Price
Lincoln Electric Weld Pak 140 HD Wire-Feed Welder K2514-14.9Check Latest Price

5 Best 2×4 Auto Darkening Welding Lens Reviews [2020]

1. ArcOne S240-10 2 x 4″ Auto-Darkening Filter for Welding:

ArcOne S240-10 2 x 4" Auto-Darkening Filter for Welding

About the item:

ArcOne S240-10 is suitable for 50 to 300 amps of Stick TIG, and MIG welding applications. This lens comes with 10 shade and two sensors for better protection. It is a 2*4 inch auto-darkening welding lens that has 5.25 square inches viewing area.

It has a reaction time, which moves in 0.5 milliseconds from light to dark. And it switches from dark to light within 0.2 seconds.

This Auto-darkening lens offers HD vision to the welder. It has a solar system that provides electric power, so you dose not required any external battery.

This item is a water and dust resistive auto-darkening lens. Whether you are operating in severe hot or cold weather, reaction time, and dark shade do not get affected.

Things you will like

  • It has 10 shade
  • Dust and water resistant
  • Two independent sensors for your protection
  • Solar power source
  • HD clear view technology


  • Pricey

Product information:

  1. Item Weight: 2.56 ounces
  2. Product Dimensions: 7.5 x 5.5 x 1 inches
  3. Size: 2 x 4″
  4. Color Shade: 10
  5. Style: S240
  6. Item Package Quantity: 1

2. LINCOLN ELECTRIC 2×4 C-Series Auto-Darkening Welding Lens:

LINCOLN ELECTRIC 2x4 C-Series Auto-Darkening Welding Lens

About the item:

Lincoln Viking is a leading brand in this field. They provide world-renowned lens technology for HD view of the arc and puddle.

The exclusive liquid crystal lens increases the color RANGE & hues that can be seen in both dark and light states. This lens is capable of reducing eye strain for the comforts of your eyes for all-day work.

It has high quality and reliable output that minimizes distortion and blurriness. It has a personalized shade control feature.

Also, you will get a Variable sensitivity for optimal lens performance. You can choose any shade from the 8 to 13 shades range.

Things you will like

  • Crystal clear view
  • Various color shades
  • Reduces eye strain
  • 4c lens technology used
  • Variable sensitivity for optimal lens performance
  • Affordable Price


  • Some customer says that it is not perfect for TIG

Product information:

  1. Item Weight: 3.84 ounces
  2. Package Dimensions: 7.3 x 6.5 x 0.5 inches
  3. Item Package Quantity: 1
  4. Included Components: Welding Lens
  5. Batteries Required: No

3. ArcOne T240-10 Tradesman Horizontal Auto-Darkening Filter for Welding Helmets:

ArcOne T240-10 Tradesman Horizontal Auto-Darkening Filter for Welding Helmets

About the item:

Here is another most popular and best seller Auto-Darkening lens from the ArcOne brand. The ArcOne T240-10 lens for welding helmets is 2 inch high, 4.25 inch wide, and the thickness is 0.2 inches. The viewing area is 5.2 inches.

It comes with a 10.5 single shade. Also, it has a three-light state for the best protection of your eyes during welding. This Auto-darkening lens is accurate and consistent, fast, and has excellent color and clarity.

It also comes with an impressive hue-yellow with some green. It could be an ideal lens for the welding of DIY hobby enthusiasts. It is highly recommended for beginners to learn the art of welding. It comes with high quality and value too.

Things you will like

  • Two independent sensors
  • Viewing Area 5.25-Inch
  • HD view
  • Affordable price


  • Single shade 10.5

Product information:

  1. Item Weight: 2.4 ounces
  2. Product Dimensions: 8.5 inches x 5.7 inches x 0.2 inches
  3. Item model number: T240-10AON
  4. Size: 2 x 4.25 x 0.2″
  5. Thickness: 0.2 inches
  6. Item Package Quantity: 1

4. Miller Electric Welding Lens – 2 x 4 inches Auto-Darkening:

Miller Electric Welding Lens - 2 x 4 inches Auto-Darkening

About the item:

Miller is a well-known name in the field of welding. The Miller Electric Welding Lens measures 2 X 4.25 inches, and it will fit any 2 * 4 size lenses.

This lens opens in most major welding helmet models and is an excellent replacement for your current auto-darkening lens or a perfect improvement to your regular passive welding lens.

The Miller Electric Welding Lens includes dual arc sensors, and it does not need any external battery.

This brand offers a three-shade light state, and it comes with a full two years warranty. Besides, it has some excellent features such as Auto-On and Auto-Off circuitry. Not only that, it is a solar-powered lens.

This 2 x 4 inches Auto-Darkening lens has a crystal clear 3.70 x 1.37 Inches Viewing Field.

Again, the solar auto darkening welding lens adopts a sensitive arc sensor. They have a stable and reliable performance.

Things you will like

  • Fixed Shade 10
  • Two Arc Sensors included
  • Auto-On and Auto-Off circuitry
  • Solar Powered system available, so, no batteries required
  • 3.70 x 1.37 Inches Viewing Field
  • Switching Speed of 1/3 – 600 sec.
  • Three light state Shade
  • 2 Year Warranty


  • Not recommend for industrial use

Product information:

  1. Product Dimensions: 6.2 x 6.2 x 0.5 inches
  2. Product weight: 3.2 ounces
  3. Shipping Weight: 3.2 ounces
  4. Item model number: 770226

5. Armour Guard 2 x 4-1/4 Auto Darkening Fixed Shade 10 Welding Lens:

Armour Guard 2 x 4-1/4 Auto Darkening Fixed Shade 10 Welding Lens

About the item:

The lens is very transparent, and when you use it has a slightly blue tent. It’s a very good price purchase and would recommend this welding lens to anyone. This item is one of the best welding lenses.

The Armour Guard uses clear blue technology that is very comfortable for a professional welder for long day work. This 2 x 4-1/4 Auto Darkening lens includes two independent Arc sensors.

It has ten sheds. Also, you will get the Auto-On and Auto-Off circuitry features. The Armour Guard provides a 1 Year Limited Warranty. It offers Inner and Outer Cover Plates.

Things you will like

  • Clear Blue Technology Uses
  • Incredible clarity
  • Enhanced definition
  • Decrease eye and neck fatigue
  • Duel Independent Arc Sensors
  • Auto-On and Auto-Off circuitry
  • Include Inner and Outer Cover Plates
  • EQC Quick Change
  • 1 Year Warranty


  • Switching from dark to light is a little bit slow

Product information:

  1. Part Number: Shade 10
  2. Item Weight: 2.4 ounces
  3. Package Dimensions: 4.6 x 4.2 x 0.3 inches
  4. Item model number: Shade 10
  5. Material: Glass
  6. Item Package Quantity: 1

Frequently asked questions:

How long do auto-darkening helmets last?

Ans: An auto-darkening welding helmet is 8,000 times faster than the blink of an eye. It is no matter what you’re doing, this helmet will make your welds better and your life much easier.

Again, the lifespan of the non-replaceable battery is around 7 years. Its disadvantage is once the battery wears off and the lens doesn’t work. The auto-darkening welding helmet comes with a replaceable battery, and also, solar assist is a better investment. Because the panel of this helmet allows you to start welding right away.

How long do welding lenses last?

Ans: Depending on the use, the life span of the welding lens is about 7-10 years. But the replacement is recommended.