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Microscope for micro welding and hand engraving application


hi to all !

i need to my bench stereo microscope for at least two different applications.
first use for micro welding tig arc under argon gas, example PUK U5
optional, adaptable and removable, quality darkening glass filter, possible from helmet.
will be without “unit optical cable”, no cable connection to central unit.
automatically momentarily blackout sensor to arc.

to lampert puk 5 microscope eye protection features
magnification x10
switching time < 50 ms
UV protection > UV11
IR protection > IR11

the SM5 lampert microscope, sold with the welding unit the eye protection system is built-in, non-removable.
can not be used for another application.

second use for hand engraving

thanks for your views !


HI Ariel,

Unfortunately, you cannot hotwire an auto-darkening welding shield to work with a PUK. I tried. It was a serious mistake. Took exactly one weld pulse for me to figure that out. I was seeing spots for hours.
They just do not respond fast enough. The PUK shutter is actually tripped a few milliseconds ahead of the welding pulse, so it is fully dark before the welder fires. Since the PUK welding machine triggers the shutter, it can do that. No shutter that waits for the flash before it trips can ever be fast enough.

I also have one of the 20 microscope lens shields that Lampert ever made for converting a microscope other than theirs. That didn’t work very well either. I finally ended up paying the money to buy the real PUK microscope, even though I already had a Nikon stereo scope.

I wrote a review of my original PUK, complete with the extra microscope conversion lens here:
It does talk a little about the conversion shutter, and why it is a bad idea.

Hope this helps.
But for now, please trust me on this: do NOT try to hotwire a welding shutter to your microscope. You could do serious damage to your eyes.