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Glen Stocks
05-24-2010, 3:31 PM
This is my first post, I am trying to find an alternative lense for my Vytek MLT 4896 1.5" optic lense. The last supplied by Vytek lasted only 4 months before couting started to peel off.

Dan Hintz
05-24-2010, 4:25 PM
Won't Vytek warrant such a defect? Four months is abysmal for a properly maintained optic, even in a high-traffic environment.

If not a defect, you need to reconsider your cleaning process.

Frank Corker
05-24-2010, 4:31 PM
Seems extreme. Have you been cutting something toxic because the coatings are normally very resilient

Kevin Groenke
05-24-2010, 4:38 PM
+1 on the warranty, why did the coating fail?

We get ULS replacements from Laser Research Optics.
http://www.laserresearch.net/

I have noticed that generic lenses not sold (labeled) as laser optics can be significantly less expensive

For example, a 2.5" ULS replacement lens was $165, while the same lens, but not labeled/sold as a ULS replacement, was $100.

I've bought both and they're labeled identically.
LENS, PL/CX, ZnSe, 2.50"FL, COATED
# LX-0725-Z-ET1.78-DBAR

YMMV,
-kg