SKU: 22413930584

300x300mm Replacement Optical Scanning Lens for 1064nm Fiber Cutter Marking Engraving Machines, M85x1 Thread (Only for 60w and Below)

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Description

300x300mm Replacement Optical Scanning Lens for 1064nm Fiber Cutter Marking Engraving Machines, M85x1 Thread (Only for 60w and Below)Download the Manual 300x300mm FIELD LENS: This powerful F theta lens from OMTech is ideal for laser marking, engraving, image transfer, material processing, and cutting systems; it creates vivid markings and flawlessly completes even your most complicated designs across its 11. 9x11. 9 inch work area HIGH TRANSMITTANCE: This field lens for 1064 nm lasers provides up to 99% throughput with negligible distortion thanks to its crystal clear and precision

  • 300x300mm FIELD LENS: This powerful F-theta lens from OMTech is ideal for laser marking, engraving, image transfer, material processing, and cutting systems; it creates vivid markings and flawlessly completes even your most complicated designs across its 11.9x11.9 inch work area
  • HIGH TRANSMITTANCE: This field lens for 1064 nm lasers provides up to 99% throughput with negligible distortion thanks to its crystal clear and precision engineered borosilicate crown glass construction
  • SUPERIOR PERFORMANCE: Our F-theta scanning lens provides fast positioning and precision focusing so you'll be able to mark steel, aluminum, gold, and more with a consistently exact 20 micron spot size anywhere in the lens's 30x30 cm field
  • LASTING DURABILITY: Our fiber laser lenses' double-sided multilayered coatings improve their natural optical properties while also strengthening them against scratches and damage during daily use, so you can keep cutting year after year
  • EASY INSTALLATION: The standard M85x1 threading ensures easy installation, quickly replacing or upgrading the old lens in most laser marking machines on the market, including all those from OMTech

Engrave better and faster with this ultra-high transmittance fiber laser field lens from OMTech!

 

Whether you're replacing a worn scan lens or upgrading, this fiber laser lens offers extreme precision and peak optical performance across its entire 300x300mm work area to get all your stone, glass, and metal marking done right. Manufactured from premium borosilicate crown glass, this galvo scanner lens boasts strongly antireflective coatings on both sides to give you a light transmittance rate better than 99% at the 1064nm wavelength critical for CW, QCW, and Nd:YAG lasers. To ensure the longest possible service life, the coating on both sides of the lens also helps it resist scratches and other damage during daily use. The standard M85x1 threading lets you easily install this optical lens onto the galvanometer of most fiber etching machines, including all those from OMTech.

 

With OMT's brand-new F theta lens, your laser engraving, cutting, etching, and marking work has never been easier!

 

Specifications

Material: K9 Glass, Plastic

Scanning Area: 11.9x11.9 in. (300x300 mm)

Operating Wavelength: 1064 nm (1.064 μm)

Focal Length: 16.9 in. (430 mm)

Entrance Beam Diameter: 0.4 in. (10 mm)

Spot Size: 32 μm

Working Distance: 22 in. (560 mm)

Threading: M85x1

Overall Dimensions: 1.9x3.5 in. (49x88 mm)

Net Weight: 10.9 oz. (310g)

 

Package List

1 x F-Theta Field Lens

1 x Instructions

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Exchange/Return Notes
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SKU: 22413930584

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4.1 ★★★★★
Based on 9 reviews
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Verified Purchase
Gabrielle Grim
New York, US
★★★★★ 5
Excellent product for dry mouth
Scent Name: Berry, Size: 100 Count
If you are having trouble with dry mouth, especially while sleeping, this is definitely the product for you. I have severe dry mouth and have tried multiple things including hard candy (yes, I know not very smart) as well as different biotin products, the mouthwash, the spray and the gel, which all do work, but do not last for very long. These stay in place open the corner of your mouth, last for hours and truly work. I highly recommend it if you are having a dry mouth issue
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 5, 2026
S
Verified Purchase
Sharon
Belleville, US
★★★★★ 5
Works great
Scent Name: Berry, Size: 100 Count
I have to use these for about 1/2 a year. I keep bronchitis and sinusitis from about Oct. to April every since I was a child. When I am suffering with these I can't breath through my nose, epically at night while sleeping and would wake up several times a night with dry mouth so bad ir was literally painful. My mom turned me on to these because she was using the with her CPAP. I sometimes have a bit of difficulty getting them to stay put but overall they are great. I have tried the OG, cinnamon, and berry. The OG have no real taste, but you wake up with a sweet taste in your mouth. I tried the cinnamon because I love cinnamon and didn't listen to the reviews stating how strong the flavor is, big regret, it's like putting two or three fireballs in your mouth, won't be making that mistake again. The berry ones are actually best in my opinion. They have a light berry flavor that isn't overpowering, isn't quite as sweet as the OG. Whichever one you choose you won't wake up in pain. I do suggest using only one at first as opposed to the two they recommend, unless you like waking up with your head on a water logged pillow. One generally gets me through the night unless my congestion is super bad, then I will sometimes have to use a 2nd one about 1/2 way through my night when I wake up for the bathroom and realize it's already completely dissolved.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 21, 2025
G
Verified Purchase
Gustavo roman
Pawtucket, US
★★★★★ 5
Perfect
Love it...
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Reviewed in the United States on January 31, 2026
C
Verified Purchase
Curious
San Leandro, US
★★★★★ 4
Happy to have a stainless steel one
I'm a female and I tried a few others, but this one seems to be more comfortable in my mouth. I would've given it five stars, but I wish it had one side, a little bit rougher than the other side. I'm spoiled with the one I had which was plastic, but it was perfect. Otherwise one was a milder scraping than the other side, and I seem to like the more aggressive scraping. People who have never used a tongue scraper will be just fine with this and I'm going to stay with this one. Just have to do it more times.
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Reviewed in the United States on February 22, 2026
N
N. Cupit
San Leandro, US
★★★★★ 5
Solid and dependable product
This product has had a positive impact on my oral health. It is well made of solid stainless steel, and is comfortable to hold and use. I have no doubt this product will continue to work for me for years to come.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2026

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