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10 Stop ND filter for Eclipse?


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#1 Leaviathan

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Posted 19 August 2017 - 01:41 PM

Has anyone had luck with 10 stop filters for the an Eclipse? Is it safe and would this require a maximum shutter speed? How about aperture? I was thinking f11, or should that be closed down as well?


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#2 Dennis

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Posted 19 August 2017 - 01:53 PM

You will need at least 16 stop ND, and it will not protect your eyes from the strong IR & UV light. If your in the zone of totality, you can remove the ND (or a real solar filter) as it will be safe to photograph. But, need to place it back on as soon as you see baily's beads, or the diamond affect( after the picture of course). But you have to be in the moons unbra to remove the filter and see baily's beads. I'm not recommending this approach of the ND filter as a replacement for a true solar filter.

Thanks, Dennis.

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#3 Gary Poole

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Posted 19 August 2017 - 01:53 PM

Normal NDs can not be used for the eclipse.

  • Solar filters are about 17 stops
  • Solar filters block UV and IR, normal NDs do not

If you use normal NDs even stacked you will probably fry the insides of your camera.  Think about burning holes in leaves or frying ants with a magnifying glass.


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#4 Dennis

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Posted 19 August 2017 - 01:58 PM

I second Gary's post! Not recommend.

Thanks, Dennis.

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#5 Leaviathan

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Posted 19 August 2017 - 03:50 PM

That's why I asked  :rolleyes: I'll gear up for the next time around. I need a better lens anyway..


Nikon D-3300 18-55 VRII, 1971 Nikkor 135mm Q-Auto, Tamron 70-300 AF. Not much! But I'm working on mastering what I do have.


#6 Sailjunkie

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Posted 20 August 2017 - 12:06 PM

Normal NDs can not be used for the eclipse.

  • Solar filters are about 17 stops
  • Solar filters block UV and IR, normal NDs do not

If you use normal NDs even stacked you will probably fry the insides of your camera.  Think about burning holes in leaves or frying ants with a magnifying glass.

 

Good question by Lea.  Last week, I bought a 10 stop ND filter.  However, the plan was to do some Long Exposure photography.  That said, I'll confess to wondering how effective a 10 stop filter would be for a solar eclipse.  However, Dennis and Gary have ably confirmed my doubts.  Sticking to my original plan of photographing the dog, if he even notices it. :lol: 

 

Wa-a-a-y back in the last century, "experts" used to recommend welder's glass for viewing.  Not very hard to buy, but I'm not even sure if that is safe enough.  :o


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#7 Leaviathan

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Posted 20 August 2017 - 12:09 PM

Someone here did it!

 

https://www.dpreview.../thread/3212095


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#8 justshootit

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Posted 21 August 2017 - 10:37 AM

Maybe it's okay, maybe they were incredibly lucky. I'm sticking with Gary's recommendation.
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#9 Sailjunkie

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Posted 21 August 2017 - 11:53 AM

Maybe it's okay, maybe they were incredibly lucky. I'm sticking with Gary's recommendation.

 

That makes two of us.  Just too risky.


Mark

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