6 Best Alternatives to the XUNKUANER XUNKUNER CO2 F-Theta Scan (2026)
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The XUNKUANER 210x210mm CO2 F-Theta Lens delivers precise focus for CO2 galvo setups, making it a strong choice for marking steel or aluminum. If you are searching for xunkuaner xunkuner co2 f theta scan alternatives, you may need a different working area or a different component type. This lens uses USA ZnSe material and offers an 8.2×8.2 inch field, but you might prefer a smaller 140x140mm option or a larger 400x400mm field for your specific project size. You might also need a replacement laser tube, power supply, or marking spray instead of just the scanning lens.
We selected 6 alternatives that overlap with the original in laser type or application. The list includes Cloudray 40W tubes for direct replacements, DGHUNST power supplies for older machines, and TEN-HIGH honeycomb tables for medium CO2 laser beds. You can also find TEN-HIGH focal lenses for detailed work or OMTech marking spray for bare metals. These products share the CO2 laser attribute, ensuring they fit within similar hardware ecosystems. Each option addresses a specific spec or feature gap, allowing you to build a complete system that matches your exact operational needs without compromising on beam quality or compatibility.
How alternatives compare to XUNKUANER
Cloudray 40W CO2 Laser Tube
This Cloudray laser tube replaces the power source rather than the optics. It provides 40W of output for machines using 720mm compatible setups. You get stable beam quality and pre-connected ports for easier installation. Unlike the XUNKUANER lens, which shapes the beam for a 210x210mm field, this tube generates the light itself. It measures 28.3 inches long and 1.97 inches wide. Choose this if your existing tube has failed and you need a direct 40W replacement. It does not offer scanning capabilities or a large working area. It is strictly for restoring power to your CO2 system.
DGHUNST 100W CO2 Laser Power Supply
The DGHUNST power supply supports 80W to 120W CO2 tubes. It offers a compact design with quick response times for safer operation. The unit measures 11.2 inches long, 7.68 inches wide, and 3.74 inches high. It runs on 110V input. This component drives the laser tube rather than focusing the beam. It lacks digital controls, making it suitable for upgrading older machines without complex interfaces. You should pick this if you are increasing power from lower wattages. It does not provide a working area or optical precision. It is essential for powering high-output tubes in larger CO2 setups.
TEN-HIGH Aluminum Honeycomb Table 430x330mm
This TEN-HIGH honeycomb table provides a durable support surface for medium CO2 laser projects. It measures 430x330mm, offering more area than the XUNKUANER lens covers. The aluminum construction aids in smoke management during wood engraving. It is a passive component that holds your material in place. Unlike the lens, which focuses light for marking metals, this table supports the workpiece. It is ideal for users needing a dedicated bed for larger projects. It does not affect beam quality or focal length. Choose this if you need a sturdy, flat surface for cutting or engraving larger sheets of material.
TEN-HIGH 5" Focal Lens for CO2
The TEN-HIGH 5-inch lens offers a 127mm focal length with high transmittance optics. It measures 1.97 inches square and weighs 3.53 ounces. This single lens focuses the beam for detailed work. It provides precise optics but covers a much smaller area than the XUNKUANER 210x210mm field. You get accuracy over coverage. This option suits users who prioritize focal length precision for intricate engraving tasks. It does not include galvo scanning capabilities or a large working area. Pick this if you need a simple, high-quality focal lens for smaller, detailed CO2 laser applications.
TEN-HIGH CO2 Laser Machine USB Key
This TEN-HIGH USB key provides a standard interface for CO2 laser machines. It uses the ABCD model designation for connectivity. It is a straightforward hardware solution for basic communication needs. Unlike the XUNKUANER lens, which manipulates the laser beam, this key enables data transfer. It fits users who need reliable USB connectivity without advanced features. It does not affect beam focus, working area, or laser power. Choose this if your machine requires a specific USB interface to function. It is a utility component for connectivity rather than optical performance or material support.
OMTech 13 oz Metal Laser Marking Spray 3-Pack
OMTech marking spray delivers black contrast on bare metals for 25W+ CO2 lasers. It comes in a 13oz bottle, with a 3-pack option. The spray enhances visibility for tool serialization and jewelry customization. It is a consumable material, not an optical component. Unlike the XUNKUANER lens, which focuses light, this spray prepares the surface. It works with 25W+ power levels for effective marking. You get reliable contrast on metal surfaces. It does not provide a working area or beam shaping. Pick this if you need to mark metals clearly with your CO2 laser system.
Quick picks
Our 7 picks
XUNKUANER 210x210mm CO2 F-Theta Lens
Best for: CO2 galvo marking on metals
- Laser Type
- CO2
- Working Area
- 210x210mm (8.2×8.2")
- Dimensions
- 5.5 × 3.3 × 4 inches
- Weight
- 6.4 ounces
View on Amazon: XUNKUANER 210x210mm CO2 F-Theta Lens Affiliate link
This XUNKUANER lens is a field lens for CO2 galvo scanning systems. It covers a 210x210mm working area with a 300mm focal length. The unit uses high-quality USA ZnSe material and features low-loss AR coatings to maintain beam efficiency. It mounts via an M85 thread. You will get consistent spot focus across the 8.2x8.2 inch field. It suits users needing precise marking on metals like steel or aluminum.
Pros
- 210x210mm working area for wide coverage
- High-quality USA CVD ZnSe material
- Low loss AR exit coatings
- Fast positioning with galvo mirrors
Cons
- Limited to 10.6um CO2 wavelength
- Requires external galvo scanning system
- Single lens does not include mounting hardware
Good fit if
- You need a 210x210mm scan field
- You use a CO2 galvo system
- You mark metals like steel or gold
Skip if
- You use a fiber laser system
- You need a smaller 140x140mm field
- You want an all-in-one engraver
Verdict: XUNKUANER CO2 F-Theta Scan Lens 210x210mm delivers precise focus for CO2 galvo setups. It fits operators who need a 210x210mm field for marking steel or aluminum.
Cloudray 40W CO2 Laser Tube
Best for: Replacing 40W tubes in 720mm machines
- Laser Type
- CO2
- Laser Power
- 40W (max 45W)
- Compatible Material
- Metal
- Length
- 28.3 inches
- Width
- 1.97 inches
View on Amazon: Cloudray 40W CO2 Laser Tube Affiliate link
This Cloudray CR35 laser tube delivers 40W of power with a maximum output of 45W. It measures 720mm in length with a 50mm outer diameter. The unit features a nano gold catalyst coating and a TEM00 mode beam for stable performance. It comes pre-connected for easier installation. This tube is designed as a replacement for existing CO2 laser engravers that require these specific dimensions and power levels.
Pros
- 40W power output (max 45W)
- 720mm length and 50mm diameter
- Pre-connected high and low voltage ports
- Nano gold catalyst coating for stable beam
Cons
- Consumable item subject to power attenuation
- Requires sufficient internal installation space
- Limited 4-month warranty coverage
Good fit if
- You need a 40W replacement tube
- Your machine accepts 720mm tubes
- You want pre-connected connectors
Skip if
- You require more than 45W power
- Your machine needs a 1250mm tube
- You prefer a longer warranty period
Verdict: Cloudray CR35 40W CO2 Laser Tube fits users needing a direct 40W replacement for 720mm compatible machines. It offers stable beam quality and easier installation through pre-connected ports.
DGHUNST 100W CO2 Laser Power Supply
Best for: 80W-120W CO2 tube replacements
- Laser Type
- CO2
- Dimensions
- 11.2 × 7.68 × 3.74 inches
View on Amazon: DGHUNST 100W CO2 Laser Power Supply Affiliate link
This DGHUNST power supply supports 80W to 120W CO2 laser tubes. It measures 11.2 inches long, 7.68 inches wide, and 3.74 inches high. The unit features a quick response speed and high-frequency operation. It separates input and output circuits for safety. You can use it with various CO2 laser engravers or cutters. It fits well if you need a reliable replacement for your existing machine.
Pros
- Compatible with 80W-120W laser tubes
- Separates input and output for safety
- Quick response speed
- Compact dimensions of 11.2 x 7.68 x 3.74 inches
Cons
- Only supports 110V input
- No mention of digital display
- No mention of app or remote control
Good fit if
- You need a power supply for an 80W-120W CO2 tube
- You want a compact replacement unit
- You prioritize electrical separation for safety
Skip if
- You require 220V input
- You need a unit for tubes over 120W
- You want a unit with smart connectivity
Verdict: DGHUNST MYJG100W CO2 Power Supply is a solid replacement for users with 80W-120W CO2 tubes who need a compact, safe, and quick-responding unit. It suits those upgrading older machines without needing digital controls.
TEN-HIGH Aluminum Honeycomb Table 430x330mm
Best for: medium CO2 laser beds
- Laser Type
- CO2
- Compatible Material
- Aluminum
View on Amazon: TEN-HIGH Aluminum Honeycomb Table 430x330mm Affiliate link
This aluminum honeycomb working table measures 430 x 330mm with a 22mm thickness. It features a galvanized steel body and uniform 7.5mm holes. The design promotes airflow to reduce smoke blackening on wood. It serves as a stable support surface for CO2 laser engravers and CNC routers. You need a flat, durable base for precise cutting and engraving tasks.
Pros
- 430 x 330mm working surface area
- 22mm thickness for structural stability
- 7.5mm honeycomb holes for airflow
- Aluminum frame with galvanized steel body
Cons
- Smaller footprint than 1300x900mm options
- Requires manual assembly
- No included mounting hardware
Good fit if
- You use a CO2 laser with a 430x330mm bed
- You need better smoke extraction during wood engraving
- You want a rust-proof, flat work surface
Skip if
- You require a larger 1300x900mm cutting area
- You only engrave on small materials under 320x220mm
- You need a table with integrated height adjustment
Verdict: TEN-HIGH 430x330mm Honeycomb Table fits users who need a dedicated, durable support surface for medium-sized CO2 laser projects. It is ideal for wood engraving where smoke management is critical.
TEN-HIGH 5" Focal Lens for CO2
Best for: Detailed CO2 laser engraving tasks
- Laser Type
- CO2
- Dimensions
- 1.97 × 0.79 × 1.97 inches
- Weight
- 3.53 ounces
View on Amazon: TEN-HIGH 5" Focal Lens for CO2 Affiliate link
This is a 25mm diameter zinc selenide plano-convex lens designed for CO2 laser engraving and cutting machines. It features a 127mm focal length and high transmittance coating to reduce laser loss. The lens weighs 3.53 ounces and measures 1.97 inches in height. It suits users who need precise focal lengths for detailed work. It is available in eight different size options to match various machine requirements.
Pros
- 25mm diameter zinc selenide material
- 127mm focal length
- Double-sided solid coating for wiping resistance
- Plano-convex shape for better engraving quality
Cons
- Limited to CO2 laser types only
- Smaller focal length than the 300mm lens on this list
- Requires manual installation without included tools
Good fit if
- You need a 127mm focal length for fine detail
- You use a CO2 laser system
- You want a durable zinc selenide lens
Skip if
- You require a longer focal length for larger work areas
- You operate a fiber laser system
- You prefer a ready-to-install assembly with tools
Verdict: TEN-HIGH 5" 127mm Focal Length CO2 Lens offers high transmittance and precise optics for detailed CO2 laser work. It fits users who prioritize focal length accuracy over large coverage area.
TEN-HIGH CO2 Laser Machine USB Key
Best for: Standard CO2 laser USB connectivity
- Laser Type
- CO2
View on Amazon: TEN-HIGH CO2 Laser Machine USB Key Affiliate link
The TEN-HIGH USB Key is a hardware dongle designed for CO2 laser engraving and cutting machines. It supports both standard and upgrade versions of these devices. This component is essential for running the laser system. It is suitable for users who need a reliable interface for their CO2 laser equipment. The device is simple and direct, focusing on connectivity without extra features.
Pros
- Compatible with standard CO2 laser versions
- Works with upgrade version CO2 lasers
- Specific USB interface for machine operation
Cons
- No software or app mentioned
- Limited to USB connectivity only
- Basic hardware without display
Good fit if
- You need a USB key for your CO2 laser
- You use a standard or upgrade machine
- You require a simple hardware dongle
Skip if
- You want wireless connectivity
- You need a display screen
- You prefer a standalone controller
Verdict: The TEN-HIGH USB Key for CO2 Laser is a straightforward solution for users needing a specific USB interface for their CO2 engraving or cutting machines. It fits those who prioritize basic, reliable hardware connectivity over advanced features.
OMTech 13 oz Metal Laser Marking Spray 3-Pack
Best for: marking bare metals with 25W+ CO2 lasers
- Laser Type
- Diode
- Compatible Material
- Metal, Aluminum
- Dimensions
- 2.6 × 2.6 × 7.9 inches
View on Amazon: OMTech 13 oz Metal Laser Marking Spray 3-Pack Affiliate link
This OMTech spray enables high-contrast black marking on bare metals like aluminum, stainless steel, and brass using a 25W or higher CO2 laser. The 13oz aerosol cans deliver an even coat that dries in under five minutes. You can wash off excess residue with a simple rinse. It is designed for serializing tools or personalizing jewelry with permanent results.
Pros
- Works with most bare metals including aluminum and brass
- Dries in under 5 minutes without heat
- Clog-proof nozzle ensures even coating
- Excess spray washes off with a simple rinse
Cons
- Requires a 25W or higher CO2 laser
- Initial application appears white before marking
- Sold as a 3-piece set only
Good fit if
- You mark bare metals with a 25W+ CO2 laser
- You need permanent black designs on jewelry
- You want fast drying times for batch production
Skip if
- You use a laser under 25W power
- You engrave non-metal materials like wood
- You prefer single-unit purchases over sets
Verdict: OMTech 13oz Black Laser Marking Spray delivers reliable black contrast on metals for 25W+ CO2 users, making it ideal for tool serialization and jewelry customization.
Specifications side by side
| Spec | XUNKUANER 210x210mm CO2 F-Theta Lens | Cloudray 40W CO2 Laser Tube | DGHUNST 100W CO2 Laser Power Supply | TEN-HIGH Aluminum Honeycomb Table 430x330mm | TEN-HIGH 5" Focal Lens for CO2 | TEN-HIGH CO2 Laser Machine USB Key | OMTech 13 oz Metal Laser Marking Spray 3-Pack |
|---|---|---|---|---|---|---|---|
| Laser Type | CO2 | CO2 | CO2 | not stated | not stated | not stated | not stated |
| Laser Power | not stated | 40W (max 45W) | not stated | not stated | not stated | not stated | not stated |
| Working Area | 210x210mm (8.2×8.2") | not stated | not stated | not stated | not stated | not stated | not stated |
| Compatible Material | not stated | Metal | not stated | Aluminum | not stated | not stated | Metal, Aluminum |
| Dimensions | 5.5 × 3.3 × 4 inches | not stated | 11.2 × 7.68 × 3.74 inches | not stated | 1.97 × 0.79 × 1.97 inches | not stated | 2.6 × 2.6 × 7.9 inches |
| Weight | 6.4 ounces | not stated | not stated | not stated | 3.53 ounces | not stated | not stated |
| Length | not stated | 28.3 inches | not stated | not stated | not stated | not stated | not stated |
| Width | not stated | 1.97 inches | not stated | not stated | not stated | not stated | not stated |
| Color | 210x210 FL300 | Cr35 | not stated | not stated | not stated | not stated | 13 OZ -- Black |
| Model | CO2-CJ | CR35 | not stated | not stated | not stated | ABCD | RYGEL-USBPW0103 |
| Size | not stated | 35-45W 720mm | MYJG100W (110V) | 430x330 | 5"/127mm | not stated | 3 Pcs |
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Frequently asked questions
What is the best lens for large CO2 galvo marking areas?
The XUNKUANER 210x210mm CO2 F-Theta Lens is the top choice for larger fields. It provides a 210x210mm working area suitable for marking steel or aluminum. The lens measures 3.3 inches wide and weighs 6.4 ounces. This size allows you to process bigger items without moving the workpiece frequently.
How do I replace a 40W tube in a 720mm machine?
You should use the Cloudray CR35 40W CO2 Laser Tube. It is designed specifically for 720mm compatible machines. The tube features pre-connected ports to simplify installation. It offers stable beam quality to ensure consistent performance when replacing older components in your CO2 laser setup.
Which power supply fits an 80W to 120W CO2 tube?
The DGHUNST MYJG100W CO2 Power Supply handles 80W to 120W tubes. It operates on 110V and provides a compact form factor. The unit measures 11.2 inches long and 3.74 inches high. It is a solid replacement for older machines that need a quick-responding power source without digital controls.
What honeycomb table size works for medium CO2 projects?
The TEN-HIGH Aluminum Honeycomb Table in 430x330mm is ideal for medium beds. It provides a durable support surface for wood engraving. The aluminum construction helps manage smoke effectively during cutting. This size fits standard CO2 laser machines that require a dedicated, sturdy bed for various material thicknesses.
Which lens is best for detailed CO2 engraving tasks?
The TEN-HIGH 5-inch 127mm Focal Length CO2 Lens is best for detail. It offers high transmittance and precise optics for fine work. The lens weighs 3.53 ounces and measures 1.97 inches in length. It prioritizes focal length accuracy over large coverage, making it perfect for intricate designs on smaller areas.
How can I connect my CO2 laser via USB?
Use the TEN-HIGH USB Key for CO2 Laser to establish connectivity. It provides a straightforward interface for standard engraving or cutting machines. The model ABCD ensures reliable hardware connection. It is suitable for users who need basic, dependable connectivity without requiring advanced software features or complex configurations.
What spray helps mark bare metals with a CO2 laser?
The OMTech 13oz Black Laser Marking Spray is designed for bare metals. It delivers reliable black contrast for 25W+ CO2 lasers. Each pack contains three 13oz bottles. It is ideal for tool serialization and jewelry customization, allowing you to create high-visibility marks on surfaces that normally reflect laser light.