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High-Performance LongMill CNC Laser Upgrade Kit with PLH3D-XT-50 and LaserDock

PLH3D-XT-50 Ultra HD+ Plug&Play Laser Kit for Longmill CNC

LongMill PLH3D-XT-50 Laser Upgrade Kit

Specs: 6W Optical Power, Ultra HD 550DPI 45um spot, max wood cutting thickness 3 mm (⅛”)

Best For: Very Detailed Engraving, Thin Materials Cutting

Includes: Laser Head, PLH3D-CNC Adapter, Mount and Screws, PSU, Wiring, Air Nozzle, Height Reference Tool

In Stock

$749.00 tax excl.


$899.00 tax excl.

Lowest price within 30 days: $799.00
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SKU: 002877
GTIN: 5902693112280

Select Additional Kit Components

Additional Laser Safety Accessories

CNC Control Software

Items included in the kit:


Product description

PLH3D-XT-50 Laser Head: The Ultimate Product for Years

Great choice! This comprehensive Longmill CNC Laser Add-on kit with the XT-50 laser head, arguably the best single-laser-diode laser cutter and engraver on the market, is a perfect addition for your Longmill CNC machine. It contains everything you need for your Longmill CNC machine - from plug-and-play electronics for Longmill CNC controller, through mechanical mount to laser safety equipment.

You don’t need higher laser power for laser engraving wood. PLH3D-XT-50 can effortlessly laser engrave wood while being moved at maximum working speeds of popular CNC machines. In addition, XT-50 laser engraves with Ultra HD resolution and your eye would not see any difference if the focused beam spot was any smaller.

PLH3D-XT-50 laser heads are a great substitute for CO2 CNC lasers and can work with special engraving laminates, laser foils and many standard materials such as wood, rubber, cardboard, fabrics, leather, painted/anodized metal. The XT-50 lasers are also great for stainless steel and titanium marking.

XT-50 Laser Head

Benefits offered by Opt Lasers for the first time on this market

5-year Opt Lasers Warranty
Free Shipping for Individual Customers
Lifetime Technical Support
#1 in Customer Support
30-Day Satisfaction Guarantee for Returns
Optional Collision or Laser Head Drop Insurance
Product Originating from the Laser Head Concept Creator
Made in Poland, EU

Features & Benefits of the PLH3D-XT-50 Cutting and Engraving Laser Head In Details

Adjustable, Microscopic & Square Beam Spot 25 - 500 DPI - The XT-50 laser heads have adjustable beam spots, below 50µm at perfect focus. Adjusting the height increases the spot size up to 2mm, enabling Ultra HD resolution over 500 DPI or large-scale engraving down to 25 DPI.

Adjustable, Microscopic & Square Beam Spot 25 - 500 DPI

High Power Density - The XT-50 laser heads achieve a small beam-spot size, increasing power density and enabling faster cutting and engraving. For example, the XT-50 can engrave (not just mark) stainless steel and tool steel.

High Power Density

Cutting and Engraving - PLH3D-XT-50 blue laser allows to cut and engrave various materials such as wood, cardboard, rubber, paper, textiles, leather, plastic, balsa, plywood, and many others, as well as mark stainless steel, titanium and low heat conductance subtypes of steel.

Cutting and Engraving with XT-50

Improved Safety - The cutting and engraving laser head is equipped with an “Armed” indication LED, signaling its connection to the power supply and providing alerts for overheating. Additionally, ambient temperature warnings ensure safe operation.

Improved Safety LED

Factory Set Lens - Each laser head is shipped with a High-Resolution Triplet lens adjusted to focus at 60.0 mm. This distance is the best-optimized focus distance to start with.

Factory Set Lens in XT-50

Built-in Driver - A short connection between the laser diode and a driver ensures better protection for a diode, possibility of high-frequency current modulation as well as eliminates inductance effects during the switch-on.

Built-in Driver in XT-50

No Additional Cooling Required - This lightweight laser requires no additional cooling. The XF+ laser's body acts as a heatsink, allowing it to work constantly for 24 hours, every day.

No Additional Cooling Required in XT-50

The Most Precise Laser Head on the Market - Thanks to our special optical design, the XT-50 reaches the highest precision, delivering unparalleled accuracy for detailed work.

The Most Precise Laser Head on the Market

Accessories for the PLH3D-XT-50

LaserDock Magnetic Docking Station

(Optional accessory, add at the top of the page)

  • Quickly connect and disconnect the laser to and from your CNC machine.
  • Protects the laser unit from oils, metal particles, and dust.
  • Includes an Aluminium cover that shields the Dock when not in use

LaserDock Magnetic Docking Station

PLH3D-CNC Adapter Pro

(Included in Plug&Play Kits)

  • Easy connection to any CNC machine.
  • Converts machine signals to the standard compatible with the laser head.
  • Ensures an additional layer of safety for users and laser heads.

PLH3D-CNC Adapter Pro

Laser Safety Glasses

(Included in Plug&Play Kits)

  • Provide a significant layer of protection against blue laser exposure.
  • Effectively reduce the potential harm from diffusely reflected laser radiation.
  • Offer 50% Visible Light Transmission for clear visibility.

Laser Safety Glasses

CNC Mount, Power Supply, Connection Wires

(Included in Plug&Play Kits)

  • Sturdy aluminum mount for secure attachment of the laser head or docking station.
  • High-quality and low-noise power supply.
  • All necessary wiring for seamless connectivity.

CNC Mount, Power Supply, Connection Wires

High-Pressure Air Assist Nozzle

(Included in Plug&Play Kits)

  • Increases laser processing speeds up to 6.5 times.
  • Decreases heat related damage to the material.
  • Protects laser optics from smoke and debris.

High-Pressure Air Assist Nozzle

Laser Safety Window

(Optional accessory, add at the top of the page)

  • Ideal for CNC machine enclosures.
  • Blocks deep ultraviolet, blue, and green light.
  • Enhances the safety of the surroundings.

Laser Safety Window

Example Applications

Opt Lasers - PLH3D-XT-Series Engraving Laser Heads

PLH3D-XT-Series Engraving Laser Heads allow you to meet the biggest requirements, and broadly realize your needs in working with both soft and hard materials.

Exceptionally Accurate Metal Engraving

PLH3D-XT-Series engraving laser heads were devised as a series of specialized laser heads for engraving with extremely high resolution and cutting thin materials with ultra-thin lines. Based on our 6W-Series laser heads, XT-Series laser heads inherited all their advantages: versatility, compact dimensions and high-speed driver. The microscopic beam spot allows to make precise and very small size engravings in a wide variety of materials including stainless steel.

Stainless Steel
Operation Feed Rate Air Flow
Engraving 5mm/s (11.8 IPM) 5L/min
Steel Engraving with PLH3D-XT-50

Ultra-HD Ceramic Tile Engraving

The 500 DPI capability allows for amazing quality engravings on materials like ceramic tiles. Higher power density reveals new cutting and engraving possibilities. Additionally, cutting and engraving processes are significantly faster comparing to laser heads without anamorphic optics.

Ceramic Tile
Operation Feed Rate DPI
Engraving 2500/min 423
Laser Engraving Ceramic Tile with PLH3D Lasers from Opt Lasers Grav

High-End Detailed Engraving & Cutting on Soft Materials

Thanks to their spot width of less than 50µm, PLH3D-XT-50 laser heads allow cutting with a thin, even cut line. For comparison, a typical human red blood cell is 5-10µm in size, and the diameter of a single human hair is 50-200µm.

Coal Duplex
Operation Thickness Feed Rate Air Flow
Cutting 1mm (0.0393") 500 mm / min</td> 10-20L/min
Laser Cutting with PLH3D-XT-50 Wood

Other PLH3D-XT-50 Applications Gallery

Product Technical Specifications

Optical Output Power 0.5W 6.0W
Wavelength 405 450
>Beam Spot Size 10 µm by 4 µm 50 µm by 4 µm
Resolution for Laser Engraving Applications 3100 DPI 500 DPI
Dimensions of Laser Head (L x W x H) 40 x 55 x 140 mm
(1.6 x 1.7 x 5.51 in.)
Weight of Laser Head, Typ. 300g
Flow Rate of Fan 43 m3/h (25 CFM)
Fan Noise 58 dBA
Mounting Hole Pattern 4 holes, 24 x 15 mm
(0.94 x 0.59 in.)
Mounting Hole Type M3 x 0.5 x 4.5 mm
Max. Ambient Temperature 40°C (113°F)
Modulations Inputs 2
Modulation Input 1 Analog/TTL/PWM,
0 – 5 V
Modulation Input 21 TTL/PWM 0 – 24 V
Recommended PWM Base Frequency 5 – 10 kHz
Max. Modulation Bandwidth 30 kHz
Input Impedance of 1 and 2 >1 k-Ω
Power Supply Unit Voltage 12 – 24 V
12 V PSU Min. Current 2.5 A
24 V PSU Min. Current 1.25 A
Max. Power Consumption 20 W 30 W



Cool for all task even with high dpi

Every project now feels like a new adventure

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