Browse By

K40 Mirror and Lens upgrade – replacement mirror and lens set for K40 Laser cutter

2.51 out of 5 based on 35 customer ratings
(35 customer reviews )


* Material: MO Material + China PVD ZnSe
* Fast Heat Dissipation
* excellent Optical Heat
* Long Life Time: Not easy to crack Great Scratch Resistance
* Low Power Loss
* Focus Lens: 12*50.8mm or 18*50.8mm 1Pcs
* MO Mirror: 20*3mm 3Pcs



High quality crystal ZnSe lens which can withstand high power up to 100w

Zinc selenide (ZnSe) is a light-yellow, solid compound comprising zinc (Zn) and selenium (Se). It is an intrinsic semiconductor with a band gap of about 2.70 eV at 25 °C (77 °F). ZnSe rarely occurs in nature, and is found in the mineral that was named after Hans Stille called “stilleite.”

k40 mirror upgrade - mirror and lens set


Molybdenum, has a high hardness rating and is more resistant to wiping/cleaning
The Molybdenum mirror has high reflectivity and stable performance, and is suitable for laser tubes producing up to 100w. Molybdenum mirrors are not coasted

Molybdenum is a silvery-white metal that is ductile and highly resistant to corrosion. It has one of the highest melting points of all pure elements — only the elements tantalum and tungsten have higher melting points. Molybdenum is also a micro nutrient essential for life.

k40 mirror upgrade - mirror and lens set

Lens cleaning instructions :

Step1. Use an air gun to blow off any contaminants

Step2 . Wipe the surface gently with a damp cotton swab

Step3. Using light pressure, wipe the optics surface with damp cotton
Wipe excess contaminants with distilled vinegar and a clean dry cotton swab

Customers' review

Rated 2.51 out of 5 stars
35 reviews
5 stars 7 20 %
4 stars 1 2 %
3 stars 7 20 %
2 stars 12 34 %
1 star 4 11 %

35 reviews for K40 Mirror and Lens upgrade – replacement mirror and lens set for K40 Laser cutter

  1. 2 out of 5

    erectile pills gas station erectile tissue around the urethra erectile booster method pdf erectile fissure

  2. 2 out of 5

    I could not refrain from commenting. Perfectly written! Also visit my web site; Harrison

  3. 5 out of 5

    I could not refrain from commenting. Exceptionally well written! Visit my homepage - blogspot

  4. 2 out of 5

    erectile male dysfunction why erectile dysfunction princeton guidelines erectile dysfunction erectile reflex discount erectile dysfunction drugs does erectile dysfunction end

  5. 1 out of 5

    Good blog you have here.. It's hard to find quality writing like yours nowadays. I truly appreciate individuals like you! Take care!!

  6. 2 out of 5

    Oh my goodness! Awesome article dude! Thank you, However I am having difficulties with your RSS. I don't know the reason why I cannot join it. Is there anybody getting the same RSS issues? Anybody who knows the solution can you kindly respond? Thanks!! my blog post: blogspot

  7. 3 out of 5

    Remarkable things here. I am very happy to peer your article. Thank you a lot and I am having a look ahead to contact you. Will you kindly drop me a e-mail? Here is my web-site blogspot

  8. 3 out of 5

    What's Going down i am new to this, I stumbled upon this I have found It absolutely helpful and it has aided me out loads. I hope to contribute & help different customers like its aided me. Great job. my blog: blogspot

  9. 3 out of 5

    Heya i am for the primary time here. I found this board and I find It really useful & it helped me out a lot. I am hoping to offer something back and aid others such as you aided me. Have a look at my website - Angelo

  10. 2 out of 5

    Superb blog! Do you have any suggestions for aspiring writers? I'm planning to start my own website soon but I'm a little lost on everything. Would you advise starting with a free platform like Wordpress or go for a paid option? There are so many choices out there that I'm completely overwhelmed .. Any tips? Thanks! Here is my web blog;

  11. 1 out of 5

    erectile tissue in men order erectile dysfunction pills erectile synonym best erectile drug erectile dysfunction injections best erectile dysfunction meds

  12. 3 out of 5

    erectile blogs erectile dysfunction erectile tissue in the nose erectile after you quit drinking best erectile medication erectile desensitization

  13. I take pleasure in, lead to I found exactly what I was taking a look for. You've ended my four day lengthy hunt! God Bless you man. Have a nice day. Bye

  14. 2 out of 5

    I'm excited to discover this great site. I need to to thank you for ones time for this fantastic read!! I definitely enjoyed every little bit of it and I have you bookmarked to look at new things in your website. Review my web-site - blogspot

  15. 5 out of 5

    I really like what you guys tend to be up too. Such clever work and exposure! Keep up the excellent works guys I've added you guys to blogroll. Here is my blog :: blogspot

  16. Very informative blog post.Really looking forward to read more. Will read on...

  17. 2 out of 5

    Definitely believe that which you said. Your favorite justification appeared to be on the internet the simplest thing to be aware of. I say to you, I certainly get irked while people think about worries that they plainly don't know about. You managed to hit the nail upon the top and also defined out the whole thing without having side-effects , people could take a signal. Will likely be back to get more. Thanks Here is my web page: blogspot

  18. Pretty! This was a really wonderful post. Thank you for supplyingthese details.

  19. 2 out of 5

    clan symbol clan sembol ko sembol clan simgeleri Look into my web-site :: clan simge

  20. 3 out of 5

    Hmm is anyone else experiencing problems with the images on this blog loading? I'm trying to find out if its a problem on my end or if it's the blog. Any responses would be greatly appreciated. Also visit my web-site; Read Full Article

  21. 3 out of 5

    Hello there! I know this is kinda off topic but I was wondering if you knew where I could get a captcha plugin for my comment form? I'm using the same blog platform as yours and I'm having difficulty finding one? Thanks a lot! my web page Placi Gravate

  22. 5 out of 5

    clan symbol clan sembol ko sembol clan simgeleri My blog ... clan simge

  23. I own read ones article. It’s really helpful. We may benefit plenty from it. Fluent composing style as well as vivid words make people readers benefit from reading. I will probably share ones own opinions along with my acquaintances. Japan for Free

  24. 2 out of 5

    No matter if some one searches for his vital thing, therefore he/she desires to be available that in detail, so that thing is maintained over here.

  25. 5 out of 5

    Great information Appreciate it. Best Essay writing human beings

  26. 2 out of 5

    Great inhformation Appreciate it. Bestt Essay writing human beings

  27. 5 out of 5

    Hello to every single one, it's genuinely a good for me to pay a visit this web site, it includes useful Information. Here is my web-site - Ngan

  28. 2 out of 5

    Hi there, I enjoy reading through your post. I like to write a little comment to support you. Feel free to visit my blog post :: satta matka

  29. 3 out of 5

    Please let me know if you're looking for a article writer for your weblog. You have some really good posts and I believe I would be a good asset. If you ever want to take some of the load off, I'd absolutely love to write some content for your blog in exchange for a link back to mine. Please blast me an e-mail if interested. Thanks! Here is my web page - Anne Weintraub

  30. 1 out of 5

    I'm really pleased to say it was an interesting post to read. Best regards, Mead Raahauge my web page; Banks Near Me

  31. 5 out of 5

    great It’s genuinely very complex in this busy life to listen news on Television, therefore I just use world wide web for that reason, and get the newest news. Life Experience Degrees

  32. 4 out of 5

    I'm not sure where you're getting your information, but great topic. I needs to spend some time learning much more or understanding more. Thanks for magnificent info I was looking for this information for my mission. Here is my website - this article

  33. 2 out of 5

    I wanted to thank you for this excellent read!! I absolutely enjoyed every bit of it. I have you bookmarked to check out new stuff you post… My web site visit our website (

  34. 1 out of 5

    Hi there i am kavin, its my first occasion to commenting anywhere, when i read this post i thought i could also create comment due to this sensible piece of writing. My homepage; (

  35. 5 out of 5

    Hi there colleagues, good post and fastidious arguments commented at this place, I am truly enjoying by these. Feel free to visit my website: satta king 786

Add a review

Chat with K40