---
product_id: 74867962
title: "G-2 405nm/445nm/515nm - Engraving Laser Lens - Collimation Glass Lens - Single Element G2"
brand: "barnett unlimited laser products"
price: "94 Lei"
currency: RON
in_stock: true
reviews_count: 4
url: https://www.desertcart.ro/products/74867962-g-2-405nm-445nm-515nm-engraving-laser-lens-collimation-glass
store_origin: RO
region: Romania
---

# 515nm clarity 445nm versatility 405nm precision G-2 405nm/445nm/515nm - Engraving Laser Lens - Collimation Glass Lens - Single Element G2

**Brand:** barnett unlimited laser products
**Price:** 94 Lei
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate Your Engraving Game!

## Quick Answers

- **What is this?** G-2 405nm/445nm/515nm - Engraving Laser Lens - Collimation Glass Lens - Single Element G2 by barnett unlimited laser products
- **How much does it cost?** 94 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/74867962-g-2-405nm-445nm-515nm-engraving-laser-lens-collimation-glass)

## Best For

- barnett unlimited laser products enthusiasts

## Why This Product

- Trusted barnett unlimited laser products brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Enhanced Clarity:** Achieve stunning detail and sharpness in every engraving.
- • **Easy Installation:** Seamlessly integrate into your existing setup for immediate results.
- • **Durable Construction:** Built to withstand the rigors of professional use.
- • **Precision Engineering:** Experience unparalleled accuracy with our single element design.
- • **Versatile Wavelengths:** Engrave with 405nm, 445nm, and 515nm for diverse applications.

## Overview

The G-2 Engraving Laser Lens is a high-performance collimation glass lens designed for precision engraving across multiple wavelengths, ensuring clarity and durability for professional applications.

## Description



## Features

- Single element glass laser engraving lens

## Images

![G-2 405nm/445nm/515nm - Engraving Laser Lens - Collimation Glass Lens - Single Element G2 - Image 1](https://m.media-amazon.com/images/I/61s6yUPSQoL.jpg)

## Questions & Answers

**Q: Will this work on ortur 20w laser?**
A: Yes, this will work with all the Ortur models.

**Q: I need one of these so will it work for a 20watt blue laser?**
A: Yes, these lenses are designed for that power level.

**Q: Will this work with a generic 5500 mW 450 nm laser with a focus ring? The threads are 9 mm.**
A: Yes

**Q: My kid disassembled into 5 pieces and can't figure out correct way to reassemble.  Can't figure out the schematic photos either.  Can you advise**
A: Holding the tiny lens with tweezers, carefully wipe away the oils etc from the lense using a soft cotton pad and acetone. Note both sides of the lens because there are differences that will affect how it fits into the brass piece. I'm not sure which side is best fitting, so there's some trials that you need to do. Maybe pick the side with the biggest flange to rest the spring against. Put lense into its holder and drop in the spring then screw the assembly together with your laser diode and see if you can get it to culminate. If not try it the other way around. The real issue is whether or not the coating on the lens is damaged beyond its usefulness. Watch the beam on something like cardboard at some distance away as you adjust the focus and when it's out of focus, you can get a good look at how the lens is refracting and all the issues that it may have after being processed by your kid.

## Customer Reviews

### ⭐⭐⭐⭐⭐ G2
*by L***L on September 26, 2023*

Arrived early and works like it should!

### ⭐⭐⭐⭐⭐ This is amazing
*by D***Y on December 20, 2021*

I installed on my Ortur LM2 and now I can cut through 3mm birth ply I 3 passes where before it would take 10 passes with G8 lens.I love it!

### ⭐ Not what I expected.
*by G***3 on December 16, 2020*

The threads are not tight so there is a lot of play. Easy fix with plumbers tape. But I have tried everything possible to focus this lens and can’t get it sharp enough for clean cuts. The stock lens with my diode is far superior then this one. I have tried various focal lengths and even took it apart and tried every variation assuming maybe a lens was in wrong. But nothing can get this to focus.

## Frequently Bought Together

- G-2 405nm/445nm/515nm - Engraving Laser Lens - Collimation Glass Lens - Single Element G2
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**Shop now:** [https://www.desertcart.ro/products/74867962-g-2-405nm-445nm-515nm-engraving-laser-lens-collimation-glass](https://www.desertcart.ro/products/74867962-g-2-405nm-445nm-515nm-engraving-laser-lens-collimation-glass)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-02-05*