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Eclipse

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Russ from MN
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PostPosted: Sat Aug 12, 2017 9:11 am    Post subject: Eclipse Reply to specific post Reply with quote

I see a lot of talk about watching it, is a welding helmet safe enough to watch it through. That's how we did it when I was young, but maybe that's why I'm colorblind!
 
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CKain(MI)
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PostPosted: Sat Aug 12, 2017 9:48 am    Post subject: Re: Eclipse Reply to specific post Reply with quote

NO, welding glass is not safe. maybe two glass together be OK.
 
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Steve@Advance
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PostPosted: Sat Aug 12, 2017 11:32 am    Post subject: Re: Eclipse Reply to specific post Reply with quote

The recommendation is for a #14 lens. That is the darkest, I believe, not found very often, typically for large stick welding or gouging.

Like ckain(mi)said, double them up.

When I was a kid, there was an eclipse. We didn't know any better, took a piece of glass, smoked it over a candle, looked through that. Didn't go blind, but probably didn't do us any good!

Here's a chart, gives some idea what welding lens numbers mean.
Welding Lens

 
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PJH
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PostPosted: Sat Aug 12, 2017 11:43 am    Post subject: Re: Eclipse Reply to specific post Reply with quote

You can make a pin hole in a heavy piece of paper, then project the image on another white sheet of paper. It makes a real nice sharp image, and you won't even get a crick in your neck.
 
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PaGlenn
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PostPosted: Sat Aug 12, 2017 1:27 pm    Post subject: Re: Eclipse Reply to specific post Reply with quote




Iam going to view the eclipse in my eclipse

 
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Steve in VA
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PostPosted: Sat Aug 12, 2017 1:29 pm    Post subject: Re: Eclipse Reply to specific post Reply with quote

NASA cites #14 welding glass as safe. Obviously indirect observation via a pin-hole camera is safest. I'm finding that eclipse glasses are mostly sold out and confess that I would worry about counterfeit knock-offs.
 
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El Hombre
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PostPosted: Sat Aug 12, 2017 3:41 pm    Post subject: Re: Eclipse Reply to specific post Reply with quote


HF specs my auto dark helmet at 13. I'll take a peak thru it, won't stare at the sun for an hour straight.

I have some photo sun filters and going to see what they do combined with the HF....

Seems the 14 recommendation was because they don't make a 15. They just want to CYA and have the darkest possible...
 
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Stephen Newell
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PostPosted: Sat Aug 12, 2017 5:01 pm    Post subject: Re: Eclipse Reply to specific post Reply with quote

A welding helmet will work if it isn't one of the auto darkening helmets. Those need the electrical spark to make them work.
 
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JGayman
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PostPosted: Sat Aug 12, 2017 5:21 pm    Post subject: Re: Eclipse Reply to specific post Reply with quote

> A welding helmet will work if it isn't one of the auto darkening helmets. Those need the electrical spark to make them work.

My helmet has a sensitivity adjustment and if I turn it up it will trigger just from sun reflections.
 
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Steve@Advance
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PostPosted: Sat Aug 12, 2017 5:32 pm    Post subject: Re: Eclipse Reply to specific post Reply with quote

El Hombre, I think you are right about not staring for an hour.

Moderation is the key.

Wonder how many hours we've all racked up staring into a rising or setting sun while driving?
 
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Goose
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PostPosted: Sat Aug 12, 2017 7:21 pm    Post subject: Re: Eclipse Reply to specific post Reply with quote

I stacked two glasses in an arc welding helmet. I also have several pairs of certified eclipse glasses. They give an almost identical result.
 
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Stephen Newell
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PostPosted: Sun Aug 13, 2017 3:20 am    Post subject: Re: Eclipse Reply to specific post Reply with quote

Any helmets I've ever used you could look directly at the sun and it would never darken no matter how it was adjusted but immediately upon a welding strike and it would darken. I think before anyone depends on one for the eclipse they better try it now.
 
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ASEguy
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PostPosted: Sun Aug 13, 2017 4:12 am    Post subject: Re: Eclipse Reply to specific post Reply with quote

Now that's a good one! Smile
 
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Dusty MI
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PostPosted: Sun Aug 13, 2017 4:35 am    Post subject: Re: Eclipse Reply to specific post Reply with quote

CVPost-Stephen Newell wrote:
(quoted from post at 04:20:15 08/13/17) Any helmets I've ever used you could look directly at the sun and it would never darken no matter how it was adjusted but immediately upon a welding strike and it would darken. I think before anyone depends on one for the eclipse they better try it now.


Sometimes the sun will darken my auto helmet when I don't want it to.

Dusty
 
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tracto-man
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PostPosted: Sun Aug 13, 2017 4:49 am    Post subject: Re: Eclipse Reply to specific post Reply with quote

My $30 auto darkening HF helmet darkens for the sun. Probably what I'll use. But as already stated I won't look for long.
 
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