TEH HIGH Diameter Molybdenum Reflector Engraving Review

Looks like good mirrors for the price, they are significantly harder than gold plated mirrors and hold up better to cleaning. Unfortunately, they are far from being listed. Surface pattern properties. Instead of 1/20 of a wave, it is about 1/5 of a wave at 633 nm measured with the PTI250 interferometer. I didn't expect them to live up to those specs for the price, but if you're counting on a good surface count, keep that in mind. The surface roughness on the white light interferometer was 77…

I replaced my original k40 mirrors with these silicone lenses. They worked well, but after a few weeks my ability to cut began to fade. After a quick check, mirrors #2 and #3 were scratched. A few days later the last remaining mirror (#1) broke while cutting. The scratches were caused by rough handling, and the cracks were most likely due to a lack of cleaning, so I don't really blame the mirrors: they're just a little brittle. I later installed a set of moly mirrors. When cutting 3mm thick MDF

I just had bad luck with this one. The first pack I bought was missing a mirror and the other two were obviously used as they looked burnt. It's not the seller's fault, this sometimes happens in warehouses. The replacement set I received was properly sealed in individual foil pouches, unlike the first set. There were no visible problems and I wore gloves while working. The first day was the first test of the laser to make sure everything was working. No questions. The second day (after I had…