Longer vs OMTech Laser Engravers: Which Brand Fits You?
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This longer vs OMTech laser engraver comparison highlights a fundamental difference in product categories. The Longer Ray5 is a complete 20W diode laser machine designed for cutting and engraving wood, acrylic, and leather. OMTech offers a marking spray accessory for CO2 lasers, not an engraver itself. You need to decide between buying a new machine or enhancing an existing one.
Key differences
| Aspect | Longer Ray5 20W Laser Engraver | OMTech 13 oz Metal Laser Marking Spray 3-Pack |
|---|---|---|
| Product Type | Laser Engraver Machine | Marking Spray Accessory |
| Laser Power | 20W | Not listed |
| Compatible Material | Wood, Acrylic, Leather, Metal | Bare Metals |
| Working Area | 400 x 365 mm | Not listed |
| Software Compatibility | LaserGRBL, LightBurn | Not listed |
Which one should you choose?
Choose Longer Ray5 20W Laser Engraver if
- You need a standalone machine to cut wood or acrylic
- You want to engrave color on metal without pre-treatment
- You require a large working area for big projects
Choose OMTech 13 oz Metal Laser Marking Spray 3-Pack if
- You already own a 25W+ CO2 laser
- You need high-contrast black marks on bare metal
- You want to serialize tools or jewelry quickly
Verdict: The Longer Ray5 is the correct choice if you are looking for a complete laser engraving system. The OMTech spray is only useful if you already have a compatible CO2 laser and need to improve metal marking contrast.
Longer Ray5 vs OMTech Spray
Product Category
The Longer Ray5 is a complete 20W diode laser engraving and cutting machine. It is a standalone unit designed for direct material processing. OMTech offers a marking spray accessory, not an engraver. This spray is used with existing CO2 or fiber lasers to create high-contrast black marks on metal. You cannot compare them as direct alternatives. The Longer Ray5 is a machine. The OMTech product is a consumable supply. This is a fundamental difference in what you are buying.
Laser Power
The Longer Ray5 features a 20W laser module. This power level allows it to cut wood and acrylic in a single pass. It also supports high-speed engraving up to 24,000mm/min. The OMTech product does not have a laser module. It is a spray intended for use with 25W or higher CO2 lasers. The spray requires a separate machine to function. The Longer Ray5 provides the laser source itself. You get a complete system with the Longer unit. The OMTech item relies on other equipment you must already own.
Working Area
The Longer Ray5 provides a large 400 x 365mm working area. This space allows you to handle projects of various sizes without resizing. You can engrave larger designs efficiently. The OMTech spray does not have a working area. It is applied to individual items. Its dimensions are small, measuring 2.6 inches in width and length. It is a portable canister. The Longer Ray5 offers a substantial platform for creative work. The OMTech item is limited by the size of the object you mark.
Software Compatibility
The Longer Ray5 supports professional engraving software like LaserGRBL and LightBurn. It also works with the proprietary LaserBurn app. You can control the machine via USB, TF card, or Wi-Fi. The OMTech spray does not use software. It is a manual application process. You spray the item and then use your laser machine. There is no digital interface or connectivity for the spray itself. The Longer Ray5 offers full digital control and connectivity options for your workflow.
Material Compatibility
The Longer Ray5 engraves wood, acrylic, leather, glass, metal, and fabric. It cuts pine wood up to 15mm and acrylic up to 8mm. The OMTech spray is designed specifically for bare metals. It works with aluminum, stainless steel, and brass. It creates permanent black marks on these surfaces. The spray does not cut or engrave wood or acrylic. The Longer Ray5 handles a wider variety of materials. It performs both cutting and engraving on non-metal substrates.
Which Laser Engraver Brand Fits You
Users needing a complete cutting machine
The Longer Ray5 is a standalone 20W diode laser engraver with a 400 x 365 mm working area. It cuts 15mm pine wood in one pass and reaches speeds of 24,000 mm/min. This unit handles wood, acrylic, and leather directly, making it a complete solution for fabrication tasks without requiring additional accessories or separate laser sources.
Users marking metal with existing CO2 lasers
OMTech provides a marking spray designed for use with 25W+ CO2 lasers or fiber lasers. It creates high-contrast black designs on bare metals like stainless steel and aluminum. The spray dries in under five minutes and washes off easily. This product is an accessory for existing machines, not a standalone engraver, and requires a compatible laser source.
Creators wanting precision color engraving
The Longer Ray5 features an ultra-fine 0.08 x 0.1mm laser spot and supports a 256-color palette. It achieves engraving precision up to 0.01mm for refined details on materials like glass, metal, and fabric. The machine includes a 3.5-inch touchscreen, Wi-Fi connectivity, and compatibility with LightBurn software for complex, high-resolution artistic projects.
The products compared
Longer Ray5 20W Laser Engraver
Best for: Large workspace and high-speed engraving
- Laser Power
- 20W
- Working Area
- 400 x 365 mm
- Engraving Speed
- 24,000 mm/min
- Software Compatibility
- LaserGRBL, LightBurn
- Cutting Capacity
- 15 mm wood, 8 mm acrylic
- Compatible Material
- Wood, Metal, Acrylic, Leather, Glass
View on Amazon: Longer Ray5 20W Laser Engraver Affiliate link
The Longer Ray5 20W laser engraver features a 400 x 365 mm working area and a 20W laser module. It reaches engraving speeds up to 24,000 mm/min and cuts 15 mm pine wood in a single pass. The machine includes a 3.5-inch touchscreen, Wi-Fi connectivity, and app support. It uses an ESP32 chipset for stable operation. This model suits users who need a large workspace and high-speed performance for creative or commercial projects.
Pros
- 20W laser power for 15mm wood cutting
- 400 x 365 mm large working area
- 24,000 mm/min maximum engraving speed
- 3.5-inch touchscreen and app control
Cons
- 20W power limits single-pass cutting compared to higher wattage models
- 400 x 365 mm area is smaller than 850x850mm variants
- Requires assembly and setup time
Good fit if
- You need a large 400 x 365 mm workspace
- You want fast engraving speeds up to 24,000 mm/min
- You prefer app and touchscreen control
Skip if
- You require single-pass cutting of thick materials
- You need a smaller footprint for tight spaces
- You prefer plug-and-play operation without setup
Verdict: The Longer Ray5 20W 400x365mm offers a large workspace and high speed for detailed projects. It fits users who prioritize speed and app control over maximum cutting thickness.
OMTech 13 oz Metal Laser Marking Spray 3-Pack
Best for: batch 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 laser marking spray helps you create high-contrast black marks on bare metals like aluminum and stainless steel. The 13 oz aerosol cans feature a clog-proof nozzle for even coating. The formula dries in under five minutes, or two minutes with a hot air blower. It works with 25W and above CO2 laser engravers. The excess spray washes off easily with a simple rinse. This 3-pack is designed for batch production and jewelry personalization.
Pros
- Dries in under 5 minutes naturally
- Clog-proof nozzle for even coating
- Washes off with a simple rinse
- Works with 25W+ CO2 lasers
Cons
- Requires a CO2 laser engraver
- Only marks bare metals
- Sold as a 3-piece set
Good fit if
- You engrave jewelry or tools
- You need quick drying times
- You use a 25W+ CO2 laser
Skip if
- You use a fiber laser only
- You engrave non-metal materials
- You prefer single-can purchases
Verdict: OMTech Laser Marking Spray 3-Pack is a practical accessory for CO2 laser users marking metal. It fits those who need fast drying and easy cleanup for batch work.
Specifications side by side
| Spec | Longer Ray5 20W Laser Engraver | OMTech 13 oz Metal Laser Marking Spray 3-Pack |
|---|---|---|
| Laser Power | 20W | not stated |
| Working Area | 400 x 365 mm | not stated |
| Engraving Speed | 24,000 mm/min | not stated |
| Software Compatibility | LaserGRBL, LightBurn | not stated |
| Cutting Capacity | 15 mm wood, 8 mm acrylic | not stated |
| Laser Type | not stated | Diode |
| Compatible Material | Wood, Metal, Acrylic, Leather, Glass | Metal, Aluminum |
| Features | Touchscreen | not stated |
| Target Audience | DIY | not stated |
| Dimensions | 24.5 × 14 × 5 inches | 2.6 × 2.6 × 7.9 inches |
| Size | 400×365mm | 3 Pcs |
| Color | black | 13 OZ -- Black |
| Model | ray5 20W | RYGEL-USBPW0103 |
Frequently asked questions
Is the Longer Ray5 compatible with OMTech marking spray?
The Longer Ray5 is a diode laser, while the OMTech spray is designed for CO2 lasers. Using the spray on a diode machine may not yield the same results. You should check the specific laser type compatibility before applying any marking aids to ensure proper adhesion and safety.
Does the Longer Ray5 have a large working area?
Yes, the Longer Ray5 features a 400 x 365 mm workspace. This size provides ample room for detailed projects and larger materials. It is ideal for users who need space for bigger pieces without frequent repositioning, making it suitable for both hobbyists and small business owners.
Can I use OMTech spray for engraving on metal?
The OMTech 13 oz spray is specifically formulated for metal marking with CO2 lasers. It helps create high-contrast marks on metals like stainless steel and aluminum. It is not a laser machine but an accessory that enhances the visibility of marks on specific materials.
What is the laser power of the Longer Ray5?
The Longer Ray5 operates at 20W of laser power. This output allows for efficient cutting and engraving on various materials. It is sufficient for detailed work on wood, acrylic, and leather, providing a balance between speed and precision for everyday engraving tasks.
Is the OMTech product a standalone laser engraver?
No, the OMTech item is a marking spray, not an engraver. It is an accessory used with existing CO2 laser machines. You need a compatible laser source to apply the spray effectively for batch metal marking tasks.
How fast can the Longer Ray5 engrave?
The Longer Ray5 reaches speeds of 24,000 mm/min. This high speed allows for quick processing of detailed designs. It is particularly useful for users who prioritize throughput and want to complete projects faster without sacrificing engraving quality on supported materials.

