TEN-HIGH Cu Reflective Lens CO2 vs TEN-HIGH Diameter 15mm Focal Lens (2026): Key Differences
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
This guide compares the ten high cu reflective lens co2 vs diameter 15mm focal lens. Both are TEN-HIGH components for CO2 laser systems. They share high-quality optical properties and durable coatings. The main difference is their function. One is a gold-plated copper mirror for reflecting beams. The other is a zinc selenide focal lens for focusing light. You need both for a working machine, but they serve distinct roles in the optical path.
Key differences
| Aspect | TEN-HIGH 15mm ZnSe CO2 Laser Focal Lens | TEN-HIGH 30mm Gold-Plated Copper CO2 Mirrors |
|---|---|---|
| Form Factor | Reflective mirror | Focal lens |
| Material | Gold-plated copper | ZnSe material |
| Diameter | 30mm | 15mm |
| Compatible Power | 40W-5000W | not listed |
| Focal Length | not listed | 127mm |
Which one should you choose?
Choose TEN-HIGH 15mm ZnSe CO2 Laser Focal Lens if
- You need a mirror to reflect the laser beam in your CO2 system
- You require a component compatible with high power outputs up to 5000W
- You prefer a gold-plated copper construction for high temperature resistance
Choose TEN-HIGH 30mm Gold-Plated Copper CO2 Mirrors if
- You need a lens to focus the laser beam onto your material
- You require a 127mm focal length for precise engraving or cutting
- You want a plano-convex shape for better engraving quality
Verdict: These items are not alternatives but complementary parts of a CO2 laser machine. Choose the copper mirror if you are replacing a reflective element in your optical path. Select the 15mm focal lens if you need to focus the beam for cutting or engraving tasks.
Mirror vs Focal Lens Comparison
Component Function
The TEN-HIGH 15mm ZnSe CO2 Laser Focal Lens is a plano-convex lens designed for focusing the laser beam during engraving and cutting. It shapes the beam for better quality results. In contrast, the TEN-HIGH 30mm Gold-Plated Copper CO2 Mirror is a plane mirror used to reflect the laser beam within the optical path. One focuses light, while the other redirects it. They serve distinct roles in your CO2 laser machine. You cannot swap them. The focal lens concentrates energy onto the material. The copper mirror guides the beam trajectory. Both are essential for different parts of the system.
Material Composition
The TEN-HIGH 15mm ZnSe CO2 Laser Focal Lens uses superior transmittance Zinc Selenide (ZnSe) material. This substrate offers excellent optical properties and high temperature resistance. The TEN-HIGH 30mm Gold-Plated Copper CO2 Mirror uses oxygen-free copper with a gold-plated coating. This combination provides superb high-temperature resistance and excellent optical properties for reflection. The focal lens relies on ZnSe for transmission. The mirror relies on gold-plated copper for reflection. Each material is chosen specifically for its function in transmitting or reflecting CO2 laser light efficiently.
Power Compatibility
The TEN-HIGH 30mm Gold-Plated Copper CO2 Mirror explicitly supports compatible power ranging from 40W to 5000W. This wide range allows it to handle high-power laser machines effectively. The TEN-HIGH 15mm ZnSe CO2 Laser Focal Lens does not list specific power wattage limits in its data. It focuses on high transmittance and reduced laser loss for general efficiency. The mirror has a clear stated power range. The focal lens relies on its high-quality material and coating for efficiency without explicit wattage caps. You should verify the focal lens limits with your machine manual.
Optical Specifications
The TEN-HIGH 15mm ZnSe CO2 Laser Focal Lens has a focal length of 127mm (5 inches) and a diameter of 15mm. It features double-sided solid coating for wiping resistance and long life. The TEN-HIGH 30mm Gold-Plated Copper CO2 Mirror has a diameter of 30mm and a thickness of 3mm. It boasts a transmittance rating of greater than 99.9%. The focal lens is defined by its 127mm focal length. The mirror is defined by its 30mm diameter and high reflectivity. Both use precision slicing, polishing, and grinding for high precision.
Physical Dimensions
The TEN-HIGH 15mm ZnSe CO2 Laser Focal Lens measures approximately 2.2mm in thickness and weighs 3.53 ounces. Its overall package dimensions are 1.97 x 1.97 x 1.97 inches. The TEN-HIGH 30mm Gold-Plated Copper CO2 Mirror measures 3mm in thickness and weighs 0.3KG. The mirror is significantly heavier due to the copper material. The focal lens is lighter and more compact. These differences affect how they fit into your laser head or optical path. The mirror requires sturdier mounting due to its weight and larger 30mm diameter.
Choose the right lens for your machine
Users needing precise beam focus for cutting
You should choose the 15mm focal lens when you need to shape the laser beam for high-quality engraving and cutting. Its plano-convex design focuses the light into a tight spot. The 127mm focal length and ZnSe material ensure superior transmittance. This reduces laser loss and improves work efficiency. The double-sided solid coating provides wiping resistance and a long working life for consistent results.
Users directing the beam path with mirrors
You need this gold-plated copper mirror to reflect the laser beam within your CO2 laser system. It features a plane shape with greater than 99.9% transmittance. The oxygen-free copper substrate offers excellent high-temperature resistance. It is compatible with power levels between 40W and 5000W. The precision slicing and polishing processes ensure superb optical properties and long-term durability for your machine.
Users prioritizing transmittance and beam quality
Select this focal lens if high transmittance is your priority. The ZnSe material and exquisite coating reduce energy loss significantly. The 15mm diameter and 127mm focal length create a precise focus point. The high-temperature and laser-resistant construction ensures the lens withstands intense heat. This combination delivers better quality results during engraving tasks by shaping the beam effectively with minimal signal degradation.
The products compared
TEN-HIGH 15mm ZnSe CO2 Laser Focal Lens
Best for: CO2 laser cutting with 127mm focal length
- Laser Type
- CO2
- Dimensions
- 1.97 × 0.79 × 1.97 inches
- Weight
- 3.53 ounces
View on Amazon: TEN-HIGH 15mm ZnSe CO2 Laser Focal Lens Affiliate link
This TEN-HIGH lens uses zinc selenide with a 15mm diameter and 127mm focal length. The plano-convex shape helps improve engraving quality. Double-sided solid coating reduces laser loss and increases transmittance. It resists wiping and high temperatures. The lens weighs 3.53 ounces. You get better efficiency for CO2 laser cutting and engraving.
Pros
- 15mm diameter with 127mm focal length
- Superior transmittance ZnSe material
- Plano-convex shape for better engraving quality
- Double-sided solid coating for durability
Cons
- Limited to CO2 laser type
- No included mounting hardware listed
- Fixed focal length of 127mm
Good fit if
- You need a 127mm focal length lens
- You want high transmittance for efficiency
- You use a CO2 laser machine
Skip if
- You require a different focal length
- You use a fiber laser system
- You need a larger 15mm diameter lens
Verdict: TEN-High 15mm Focal Lens 127mm fits users who need a standard 127mm focal length for CO2 lasers. The high transmittance material supports efficient cutting and precise engraving tasks.
TEN-HIGH 30mm Gold-Plated Copper CO2 Mirrors
Best for: High-power CO2 laser replacement mirrors
- Laser Type
- CO2
- Compatible Material
- Gold
View on Amazon: TEN-HIGH 30mm Gold-Plated Copper CO2 Mirrors Affiliate link
This TEN-HIGH reflective lens is made from gold-plated oxygen-free copper. It has a 30mm diameter and 3mm thickness. The coating offers over 99.9% transmittance. It supports CO2 laser machines with power from 40W to 5000W. You get three mirrors in the package. This lens suits high-power cutting and engraving tasks where durability and optical efficiency matter.
Pros
- Gold-plated copper material for high heat resistance
- Transmittance exceeds 99.9%
- Compatible with 40W to 5000W CO2 lasers
- Package includes three mirrors
Cons
- Plane shape limits focal precision compared to curved lenses
- 30mm diameter is smaller than some alternative sizes
- No included mounting hardware listed
Good fit if
- You need replacement mirrors for high-power CO2 lasers
- You require high transmittance for efficient cutting
- You want a durable copper-based optical component
Skip if
- You need a focusing lens for tight beam spots
- You only have low-power lasers under 40W
- You prefer glass or silicon mirror materials
Verdict: TEN-HIGH Gold-Plated Copper Reflective Lens delivers high transmittance and heat resistance for robust CO2 laser operations. It fits users needing reliable replacement mirrors for high-power systems rather than precision focusing.
Specifications side by side
| Spec | TEN-HIGH 15mm ZnSe CO2 Laser Focal Lens | TEN-HIGH 30mm Gold-Plated Copper CO2 Mirrors |
|---|---|---|
| Laser Type | CO2 | CO2 |
| Compatible Material | not stated | Gold |
| Dimensions | 1.97 × 0.79 × 1.97 inches | not stated |
| Weight | 3.53 ounces | not stated |
| Size | 5"/127mm | Gold-Plated Copper |
| Color | not stated | D: 30mm |
Frequently asked questions
Can I use the 15mm ZnSe lens as a mirror?
No. The TEN-HIGH 15mm ZnSe lens is designed to focus the laser beam, not reflect it. It is a plano-convex lens for shaping light during cutting. The reflective component is the gold-plated copper mirror. Using the wrong part will damage your machine.
What is the focal length of the 15mm lens?
The TEN-HIGH 15mm ZnSe lens has a 127mm focal length. This standard length supports efficient cutting and precise engraving tasks. It fits users who need a specific beam focus distance for their CO2 laser system. The mirror does not have a focal length as it reflects light.
Is the reflective lens made of pure copper?
It is made of gold-plated copper. The TEN-HIGH 30mm mirror uses this material for high transmittance and heat resistance. The 15mm lens is made of ZnSe material. Both materials support robust CO2 laser operations but serve different optical roles within the system.
What size is the gold-plated copper mirror?
The TEN-HIGH 30mm mirror has a diameter of 30mm. It is designed for high-power CO2 laser replacement. The 15mm focal lens has a different size profile with a width of 0.79 inches. You must match the mirror size to your machine's optical path.
Does the 15mm lens work for high-power systems?
The 15mm lens supports efficient cutting and precise engraving. The gold-plated copper mirror is specifically noted for high-power CO2 laser operations due to its heat resistance. Choose the mirror for high-power reflection needs. Choose the lens for precise beam focusing regardless of power level.
Which part is heavier?
The TEN-HIGH 15mm ZnSe lens weighs 3.53 ounces. Its dimensions are 1.97 inches in height and length. The mirror data lists the size as gold-plated copper with a 30mm diameter but does not provide a weight. You should check the mirror packaging for specific weight details.
Can I replace the mirror with the 15mm lens?
No. They perform different functions. The mirror reflects the beam. The lens focuses it. The 15mm lens is a focal lens for shaping the beam. The mirror is a reflective component. Swapping them will prevent your laser from cutting or engraving correctly.