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M350 - 3.50 Diopter Glass Cheater Lens for Welding Helmets (2x4)

Packaging: 1 of each
$7.60/ea $5.07/1 of each only $5.07/eaSave 33%

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OVERVIEW

Industrial Grade 3.50 Diopter Glass Magnifying Lens

The M350 is a premium-quality magnifying lens designed to assist welders in achieving higher precision by magnifying the work area. Commonly referred to in the industry as a "cheater lens," this 3.50 diopter plate is an essential accessory for any welding operation where visual acuity is paramount. Unlike standard polycarbonate lenses, this unit is manufactured from high-grade optical glass. Glass offers distinct advantages in an industrial setting: it provides superior optical clarity with less distortion and possesses a higher natural resistance to scratching from cleaning or environmental dust. While heavier than plastic, the trade-off for visual fidelity makes it a preferred choice for seasoned professionals.

This lens measures the industry-standard 2 inches by 4.25 inches (approx. 50mm x 108mm), ensuring compatibility with a vast array of welding helmets from major manufacturers including Miller, Lincoln Electric, ESAB, and Jackson Safety. It is designed to slide into the inner retaining frame of the welding helmet, positioned behind the main auto-darkening or passive filter plate. This placement protects the magnifying lens from direct spatter while placing the magnification closest to the operator's eyes for maximum effectiveness.

Inventory managers and safety officers should note that providing appropriate magnification options is a key factor in quality control. Welders who struggle to see the weld puddle clearly are more prone to defects such as porosity, undercut, or poor tie-in. By stocking the M350 alongside other diopter strengths, facilities ensure that their workforce has the necessary tools to maintain high standards of workmanship. The 3.50 diopter rating is on the higher end of the magnification scale, suitable for very fine detail work or for operators with significant near-vision correction needs.

Key Technical Specifications:

  • SKU: M350 / LENSMAG350
  • Magnification Power: +3.50 Diopter
  • Material: Optical Glass
  • Dimensions: 2" x 4.25" (Standard)
  • Compatibility: Universal fit for 2x4 retaining systems
Additional Information
Brand:Generic
Item:Helmet Lens Magnifier
Lense Size:2 x 4
Shade Or Magnifier #:3.5
Material:Glass
Diopter Strength:3.50
Dimensions:2 in x 4.25 in
Packaging Description:1 of each
Inner Or Outer Lense:N/A
Shade Or Magnifier:3.5

INCLUDED

  • 1x 3.50 Diopter Glass Magnifying Lens (2" x 4.25")

APPLICATIONS

  • TIG Welding (GTAW) requiring high precision and detail visibility
  • Micro-welding and electronics repair
  • General fabrication for welders requiring near-vision correction
  • Inspection of weld defects and surface preparation
  • Pipeline and pressure vessel welding

FAQ

This lens has a magnification strength of +3.50 Diopter.

The lens measures nominally 2 inches by 4.25 inches, which is the industry standard size for small rectangular viewing areas.

This specific model (M350) is made of optical glass, which offers better clarity and scratch resistance than plastic.

Most helmets have a retaining frame or clips on the inside of the viewing area. Slide the magnifying lens into these clips so it sits closest to your eyes, behind the main shading filter.

Yes, as long as the helmet accepts standard 2x4 accessories. Most major brands (Miller, Lincoln, Esab) include a slot for these lenses.

You can clean it with standard glass cleaner and a soft, lint-free cloth or lens wipe. Because it is glass, it is more resistant to scratching than plastic, but you should still avoid using abrasive materials.

It is designed to be used in conjunction with your main shading lens (passive or ADF) and a clear cover lens. You should not stack multiple magnifying lenses together.

Yes, +3.50 is a relatively high level of magnification, suitable for very fine work or for individuals who require strong reading glasses.