TEN-HIGH Diameter 20mm Focal Lens Alternatives: 6 Similar Picks Compared
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
You are looking for ten high diameter 20mm focal lens alternatives to replace your current optical setup. The TEN-HIGH 20mm ZnSe Focal Lens offers high transmittance and a 127mm focal length for consistent CO2 laser results. Its plano-convex shape and solid coating aim to reduce laser loss and improve engraving quality. However, you might need a different focal length, a smaller diameter, or a complete machine upgrade instead of just a lens replacement.
This list compares 6 similar picks that overlap with the original specifications. We selected these options because their core specs, such as laser type and physical dimensions, align with standard CO2 requirements. Some picks offer higher power tubes for deeper cuts, while others provide full engravers with larger workspaces. You can choose based on whether you need a direct lens swap, a new laser tube, or an entire system. Each item is ranked by how well its published data matches your specific operational needs.
How alternatives differ from TEN-HIGH
OMTech 13 oz Metal Laser Marking Spray 3-Pack
This OMTech spray is a consumable, not a lens replacement. It targets metal marking with CO2 lasers above 25W. The TEN-HIGH lens focuses the beam for cutting or engraving any material. This spray provides a black coating for contrast on metal surfaces. It dries quickly and cleans easily. You should pick this if you need to mark metals, not replace optics. The TEN-HIGH lens remains essential for focusing the laser beam regardless of the surface treatment.
Cloudray 90W-100W CO2 Laser Tube
The Cloudray tube is a power source, not an optical component. It delivers 90-100W of CO2 laser power. The TEN-HIGH lens is a 20mm ZnSe optic with a 127mm focal length. This tube is large, measuring 55.1 inches long and weighing 8 kilograms. It suits industrial cutting and deep engraving. You need this if your current laser tube is failing. The TEN-HIGH lens focuses the beam from any compatible CO2 source. This tube does not focus the beam itself.
OMTech K40+ 45W CO2 Laser Engraver
The OMTech K40+ is a complete engraver, not a spare part. It includes a 45W CO2 laser, water chiller, and LightBurn compatibility. The TEN-HIGH lens is a small optical component weighing 0.64 ounces. This machine offers a compact footprint for small batch acrylic and wood cutting. You should pick this if you need a new machine. The TEN-HIGH lens is for upgrading or replacing optics in an existing setup. This engraver provides the entire system, including the laser source and frame.
OMTech 50W 850mm CO2 Laser Tube
The OMTech 50W tube is a replacement laser source. It measures 850mm and weighs 2.6 pounds. The TEN-HIGH lens is a 20mm ZnSe optic with a 127mm focal length. This tube fits standard K40 machines with integrated cooling. You should pick this if your laser tube is worn out. The TEN-HIGH lens focuses the beam but does not generate it. This tube provides the raw power. The TEN-HIGH lens remains necessary to focus the beam from this tube onto your material.
xTool P3 80W CO2 Laser Cutter
The xTool P3 is a large industrial cutter. It features an 80W CO2 laser and a 36 by 18 inch workspace. The TEN-HIGH lens is a small 20mm optic. This machine has a strict safety enclosure and a white chassis. It suits high-volume production environments. You should pick this if you need a large format cutter. The TEN-HIGH lens is a component for smaller or standard machines. This xTool unit provides a complete, enclosed system for professional-grade cutting and engraving tasks.
OMTech 90W CO2 Laser Engraver with LightBurn
The OMTech Maker 90W is a heavy-duty engraver. It weighs 227 pounds and offers a 20 by 28 inch workspace. The TEN-HIGH lens is a lightweight 0.64 ounce optic. This machine includes LightBurn software and robust 90W power. It suits dedicated workshop environments rather than small desks. You should pick this if you need a large, stationary system. The TEN-HIGH lens is for focusing beams in smaller setups. This OMTech unit provides a complete, powerful solution for large non-metallic projects.
Quick picks
Our 7 picks
TEN-HIGH 20mm ZnSe Focal Lens
Best for: Standard CO2 laser replacement needs
- Laser Type
- CO2
- Dimensions
- 1.97 × 0.79 × 1.97 inches
- Weight
- 0.64 ounces
View on Amazon: TEN-HIGH 20mm ZnSe Focal Lens Affiliate link
This TEN-HIGH lens is a replacement component for CO2 laser engravers. It features a 20mm diameter and a 127mm focal length. The plano-convex shape uses zinc selenide material with double-sided solid coating. This design aims for high transmittance and reduced laser loss. The lens weighs 0.64 ounces. It suits users needing standard focal lengths for precise engraving tasks on compatible machines.
Pros
- 20mm diameter with 127mm focal length
- Plano-convex shape for better engraving quality
- High transmittance zinc selenide material
- Double-sided solid coating for durability
Cons
- Limited to CO2 laser systems only
- Single focal length option per unit
- No included mounting hardware listed
Good fit if
- You need a 127mm focal length replacement
- You use a CO2 laser engraver
- You require high transmittance for efficiency
Skip if
- You use a fiber laser system
- You need a different focal length
- You prefer a larger 25mm lens
Verdict: TEN-HIGH 20mm 127mm Focal Length CO2 Lens provides a standard optical solution for CO2 machines. It fits users who need a direct replacement with a 127mm focal distance for consistent cutting and engraving results.
OMTech 13 oz Metal Laser Marking Spray 3-Pack
Best for: Quick metal marking with 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 marking spray helps you create permanent black designs on bare metals like aluminum and stainless steel. It is compatible with 25W and above CO2 laser engravers. The 13 oz aerosol cans feature clog-proof nozzles for even coating. The ink dries in under 5 minutes, or 2 minutes with a hot air blower. Excess spray washes off easily with a simple rinse. This 3-pack supports batch production efficiency.
Pros
- Creates high contrast black marks on bare metals
- Dries in under 5 minutes naturally
- Clog-proof nozzle ensures even coating
- Excess spray rinses off easily
Cons
- Requires 25W or higher CO2 laser power
- Limited to metal surfaces only
- Initial white appearance before engraving
Good fit if
- You engrave jewelry or tumblers
- You need permanent black marks on metal
- You want fast drying times for batch work
Skip if
- You use a laser under 25W
- You engrave non-metal materials
- You prefer fiber laser marking only
Verdict: OMTech Laser Marking Spray 3-Pack delivers reliable black marking for CO2 lasers above 25W. It is ideal for users who need quick drying and easy cleanup on metal surfaces.
Cloudray 90W-100W CO2 Laser Tube
Best for: Industrial cutting and deep engraving
- Laser Type
- CO2
- Laser Power
- 90-100W
- Compatible Material
- Glass
- Dimensions
- 55.1 × 10.6 × 11.4 inches
- Weight
- 8 kilograms
View on Amazon: Cloudray 90W-100W CO2 Laser Tube Affiliate link
This Cloudray W2 RECO tube offers 90 to 100W output for CO2 laser systems. It measures 1240mm in length with an 80mm diameter. The unit weighs 8 kilograms and features a 10,000-hour lifespan. A removable lens cover protects the output lens from debris. It suits users needing higher power for industrial cutting or deep engraving tasks.
Pros
- 90-100W rated power output
- 10,000-hour lifespan
- Removable laser lens cover for easy cleaning
- 80mm diameter and 1240mm length
- Pre-tested before shipping
Cons
- Heavy 8-kilogram build
- Large 1240mm length requires compatible machine
- 80mm diameter may not fit smaller tubes
Good fit if
- You need 90-100W power for deeper cuts
- Your machine accepts 80mm diameter tubes
- You want a tube with a protective lens cover
Skip if
- You require a tube under 80mm diameter
- Your machine space is limited to 1200mm
- You prefer a lighter weight component
Verdict: Cloudray W2 RECI 100W CO2 Tube delivers high power and durability for industrial users. It fits those who need robust performance and can accommodate its large size and weight.
OMTech K40+ 45W CO2 Laser Engraver
Best for: small batch acrylic and wood cutting
- Laser Type
- CO2
- Laser Power
- 45W
- Working Area
- 12" x 8"
- Engraving Speed
- 300 mm/s
- Software Compatibility
- LightBurn, LaserGRBL
- Cutting Capacity
- 0.4" (10mm) acrylic, 0.31" (8mm) wood
View on Amazon: OMTech K40+ 45W CO2 Laser Engraver Affiliate link
The OMTech K40+ is a 45W CO2 laser engraver with a 12x8 inch work area. It cuts up to 0.4 inch acrylic and 0.31 inch wood. The unit includes a water chiller and supports LightBurn software. It features built-in air assist and safety sensors. This machine suits users needing moderate power for small to medium projects.
Pros
- 45W CO2 laser power
- 12x8 inch working area
- Includes CW-3000 water chiller
- Built-in air assist system
- Compatible with LightBurn software
Cons
- 53.8 pound weight
- 12x8 inch work area
- Requires separate water chiller installation
Good fit if
- You need 45W power for acrylic
- You want LightBurn software support
- You have space for a 54 pound unit
Skip if
- You require cutting over 0.4 inch acrylic
- You need a larger than 12x8 inch bed
- You prefer a lighter portable machine
Verdict: The OMTech K40+ 45W CO2 Laser Engraver fits makers who need reliable 45W power and LightBurn compatibility in a compact footprint. It is ideal for small businesses cutting thin acrylic and wood.
OMTech 50W 850mm CO2 Laser Tube
Best for: Replacing 50W tubes in standard K40 machines
- Laser Type
- CO2
- Laser Power
- 50W
- Weight
- 2.6 pounds
View on Amazon: OMTech 50W 850mm CO2 Laser Tube Affiliate link
This OMTech 50W CO2 laser tube replaces worn components in compatible engravers. It features a 50mm diameter and 850mm length for standard K40-style machines. The tempered borosilicate glass and II-VI infrared lens support stable output. It operates at 18kV and 4mA. The unit weighs 2.6 pounds and includes integrated water cooling ports. This replacement suits users needing a direct swap for their existing 50W systems.
Pros
- 50W CO2 laser power output
- 850mm length and 50mm diameter fit standard frames
- Integrated water tubing for efficient cooling
- II-VI infrared lens reduces light attenuation
- 9-month warranty coverage
Cons
- Lower power than 80W or 150W alternatives
- Requires compatible chiller or water pump
- Heavy 2.6-pound glass construction
Good fit if
- You need a direct replacement for a 50W K40-style machine
- You require a 850mm long tube for your current setup
- You want a tube with integrated cooling ports
Skip if
- You need higher power for thicker materials
- You prefer air-cooled systems without water pumps
- Your machine requires a different tube length
Verdict: OMTech 50W CO2 Laser Tube is a reliable replacement for standard 50W engravers. It fits users who need a direct swap with integrated cooling and standard dimensions. It does not suit those seeking higher power or air-cooled simplicity.
xTool P3 80W CO2 Laser Cutter
Best for: Large format industrial cutting and safety
- Laser Type
- CO2
- Laser Power
- 80W
- Working Area
- 36" x 18"
- Engraving Speed
- 1200 mm/s
- Form Factor
- Fully Enclosed (Class 1)
- Cutting Capacity
- Wood 20mm, acrylic 25mm
View on Amazon: xTool P3 80W CO2 Laser Cutter Affiliate link
The xTool P3 is a fully enclosed 80W CO2 laser cutter with a 36 by 18 inch working area. It reaches 1200 mm/s and cuts 20mm wood or 25mm acrylic. The Class 1 design includes dual cameras and automated features. It suits users needing large format precision and safety without open-beam exposure. This model replaces manual alignment with intelligent automation.
Pros
- 80W CO2 laser output for thick material cutting
- 36 x 18 inch large desktop workspace
- Fully enclosed Class 1 safety rating
- 1200 mm/s maximum engraving speed
Cons
- Large physical footprint at 49.2 inches long
- High power may exceed small workshop space limits
- Conveyor and rotary accessories sold separately
Good fit if
- You need to cut thick wood or acrylic
- You require a large 36 inch work area
- You want a fully enclosed Class 1 machine
Skip if
- You have limited bench space for a 49 inch unit
- You only engrave small items under 12 inches
- You prefer a compact diode laser system
Verdict: The xTool P3 80W CO2 Laser Cutter delivers industrial-grade cutting power in a large, enclosed chassis. It fits professionals who need a 36 by 18 inch workspace and strict safety compliance for high-volume production.
OMTech 90W CO2 Laser Engraver with LightBurn
Best for: large non-metallic projects with LightBurn
- Laser Type
- CO2
- Laser Power
- 90W
- Working Area
- 20" x 28"
- Engraving Speed
- Up to 600 mm/s
- Software Compatibility
- LightBurn
- Dimensions
- 57.1 × 34.3 × 27.6 inches
View on Amazon: OMTech 90W CO2 Laser Engraver with LightBurn Affiliate link
This OMTech machine delivers 90W of CO2 laser power for cutting and engraving non-metallic materials. It features a 20" x 28" honeycomb work area and supports speeds up to 600 mm/s. The unit includes LightBurn software compatibility, integrated air assist, and water cooling. Its large footprint and 227-pound weight suit users needing a spacious, stationary setup for serious projects.
Pros
- 90W CO2 laser power for deep engraving
- 20" x 28" spacious honeycomb work area
- Integrated air assist and water cooling systems
- LightBurn software compatibility included
- 4-way pass-through doors for large items
Cons
- Heavy 227-pound build limits portability
- Large footprint comparable to a washing machine
- No mention of integrated exhaust fan
Good fit if
- You need a large 20" x 28" work area
- You prefer LightBurn software for control
- You have space for a heavy, stationary unit
Skip if
- You require a compact, portable desktop machine
- You are engraving metals without marking spray
- You lack the floor space for a 57" length
Verdict: OMTech Maker 90W CO2 Laser Engraver fits makers who prioritize a large 20" x 28" workspace and robust 90W power over portability. Its heavy, stationary design is ideal for dedicated workshop environments rather than small desks.
Specifications side by side
| Spec | TEN-HIGH 20mm ZnSe Focal Lens | OMTech 13 oz Metal Laser Marking Spray 3-Pack | Cloudray 90W-100W CO2 Laser Tube | OMTech K40+ 45W CO2 Laser Engraver | OMTech 50W 850mm CO2 Laser Tube | xTool P3 80W CO2 Laser Cutter | OMTech 90W CO2 Laser Engraver with LightBurn |
|---|---|---|---|---|---|---|---|
| Laser Type | not stated | not stated | CO2 | CO2 | CO2 | CO2 | CO2 |
| Laser Power | not stated | not stated | 90-100W | 45W | 50W | 80W | 90W |
| Working Area | not stated | not stated | not stated | 12" x 8" | not stated | 36" x 18" | 20" x 28" |
| Engraving Speed | not stated | not stated | not stated | 300 mm/s | not stated | 1200 mm/s | Up to 600 mm/s |
| Software Compatibility | not stated | not stated | not stated | LightBurn, LaserGRBL | not stated | not stated | LightBurn |
| Form Factor | not stated | not stated | not stated | not stated | not stated | Fully Enclosed (Class 1) | not stated |
| Cutting Capacity | not stated | not stated | not stated | 0.4" (10mm) acrylic, 0.31" (8mm) wood | not stated | Wood 20mm, acrylic 25mm | not stated |
| Compatible Material | not stated | Metal, Aluminum | Glass | Wood, Acrylic, Glass | not stated | not stated | not stated |
| Features | not stated | not stated | not stated | Air Assist, Water Chiller | not stated | Camera, Auto Focus | not stated |
| Dimensions | 1.97 × 0.79 × 1.97 inches | 2.6 × 2.6 × 7.9 inches | 55.1 × 10.6 × 11.4 inches | 31.9 × 19.7 × 9.8 inches | not stated | 49.2 × 30.7 × 19.5 inches | 57.1 × 34.3 × 27.6 inches |
| Weight | 0.64 ounces | not stated | 8 kilograms | 53.8 pounds | 2.6 pounds | not stated | 227 pounds |
| Size | 5"/127mm | 3 Pcs | 90-100W 1240mm | 45W with LB&Chiller | 50W 850mm | xTool P3 | with LightBurn |
| Model | ABCD | RYGEL-USBPW0103 | W2:90-100w Dia:80mm L:1240mm | K40+ 45W | RYGEL-LATST5001 | MXP-K015-001 | RYGEL-USB0705U2 |
| Color | not stated | 13 OZ -- Black | Transparent | Blue | not stated | White | with LightBurn |
Readers of this guide also look at 1byone 1 by one high alternatives.
Frequently asked questions
What is the best lens for standard CO2 laser replacement?
The TEN-HIGH 20mm ZnSe Focal Lens is the top pick for standard CO2 machines. It provides a 127mm focal distance for consistent cutting and engraving. Its compact size weighs only 0.64 ounces. This makes it a direct, reliable swap for users needing standard optical performance.
How do I mark metal with a CO2 laser?
Use the OMTech Laser Marking Spray for quick metal marking. This 13 oz spray delivers reliable black results for CO2 lasers above 25W. It dries quickly and cleans up easily on metal surfaces. It is a consumable alternative to lens upgrades for improving contrast on non-engravable materials.
Which laser tube is best for industrial cutting?
The Cloudray 90W-100W CO2 Laser Tube is ideal for industrial cutting. It delivers high power for deep engraving tasks. The tube measures 1240mm in length and weighs 8 kilograms. It fits users who need robust performance and can accommodate its large physical footprint in their machine.
What is the best machine for small batch acrylic cutting?
The OMTech K40+ 45W CO2 Laser Engraver suits small businesses cutting thin acrylic and wood. It offers 45W power with LightBurn compatibility. The unit includes a water chiller and weighs 53.8 pounds. Its compact footprint fits makers who need reliable power without a massive industrial footprint.
How do I replace a 50W tube in a K40 machine?
The OMTech 50W CO2 Laser Tube is designed for standard K40 replacements. It features integrated cooling and standard dimensions for a direct swap. Weighing just 2.6 pounds, it fits users needing a reliable upgrade. It is not suitable for those seeking higher power or air-cooled simplicity.
Which cutter offers large format industrial safety?
The xTool P3 80W CO2 Laser Cutter provides industrial-grade power in an enclosed chassis. It features a large 36 by 18 inch workspace for high-volume production. The machine measures 49.2 inches in length. It fits professionals who need strict safety compliance and a spacious cutting area.
What engraver has the largest workspace with LightBurn?
The OMTech Maker 90W CO2 Laser Engraver offers a large 20 by 28 inch workspace. It pairs 90W power with LightBurn software compatibility. The heavy, stationary design weighs 227 pounds. It is ideal for dedicated workshop environments rather than small desks, prioritizing size over portability.