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FORUMS Photo Sharing & Visual Enjoyment Still Life, B/W & Experimental 
Thread started 15 Oct 2009 (Thursday) 10:31
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Welding Glass (£1/$1 ND Filter) Exposures

 
DwainRowe
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Jun 16, 2015 19:50 as a reply to  @ post 17599046 |  #2491

Looks more like a bad memory card issue. Have you tried another card?


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Ducedo
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Jun 17, 2015 16:17 |  #2492

DwainRowe wrote in post #17599876 (external link)
Looks more like a bad memory card issue. Have you tried another card?

No but I removed the filter holder and took some photos in the middle of the series without any issues so I believe it's related to the filter.




  
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Littlejon ­ Dsgn
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Jun 17, 2015 16:18 as a reply to  @ Ducedo's post |  #2493

Did you rotate the filter, if so did the line rotate with the filter?




  
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Ducedo
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Jun 18, 2015 03:25 |  #2494

Just did a new test with another memory card and took three photos.

1) Regular photo without filter or holder. (20mm)
2) Photo with the filter and filter holder. (35mm)
3) Photo with the filter and filter holder rotated 180 degrees. (35mm)

I had the idea that it might be a light leak so I covered most of it (not in front of the glas) with a black shirt.

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IMAGE: https://dl.dropboxusercontent.com/u/1363199/Nikonforum/SMN-20150618-100733-4625.jpg

IMAGE: https://dl.dropboxusercontent.com/u/1363199/Nikonforum/SMN-20150618-100841-4626.jpg



  
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Littlejon ­ Dsgn
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Post edited over 4 years ago by Littlejon Dsgn.
     
Jun 18, 2015 11:24 |  #2495

Thats a tough one, if it was a problem with the filter itself I would expect to see the colors rotate with the filter.

Can you post a picture of your setup with the filter on the lens




  
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Ducedo
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Jun 18, 2015 15:03 as a reply to  @ Littlejon Dsgn's post |  #2496

Ah, unfortunately I misread and took some photos of just the welding glass. I'll take a photo tomorrow with the filter on the lens if it makes a difference. Not my proudest creation or photo. A simple Cokin filter holder attached to the glass with double-sided tape and plenty of electrical tape to cover any potential light leaks from the edges. Unfortunately I didn't get it spot on in the middle but surely the tape in the top would follow around the photo when turning the filter.

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IMAGE: https://dl.dropboxusercontent.com/u/1363199/Nikonforum/SMN-20150618-214631-4630.jpg

IMAGE: https://dl.dropboxusercontent.com/u/1363199/Nikonforum/SMN-20150618-214710-4633.jpg



  
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Littlejon ­ Dsgn
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Jun 18, 2015 15:12 |  #2497

I dont see anything wrong with that, that would be causing this issue. I guess the next thing I would try is using a different piece of welding glass, even if just hand holding in front of the lens. If you encounter the same problem then its a camera issue not a glass issue, if the problem goes away then I would think its something in the glass and not the camera.




  
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InPhoto
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Jul 04, 2015 03:11 |  #2498

a test


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Bluetreefrog
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Jul 04, 2015 11:16 |  #2499

Some of my first acceptable attempts with welding glass.

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It's a bit noisy but that comes with taking many long exposures I assume.

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Ranger ­ Kevin
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Jul 05, 2015 01:44 |  #2500

I found another use for my welding glass today:
We had nice thunderstorm and I wanted to capture some lightning,
but as it was so bright outside allready I had to use the glass to get a nice long exposure time.


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InPhoto
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Sep 24, 2015 03:08 |  #2501


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Some simple photos

  
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Skaperen
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Oct 04, 2015 06:49 |  #2502

Ducedo wrote in post #17599046 (external link)
I recently ended up getting one and took some photos today. Unfortunately all of them look like this. This line is on all the photos and it doesn't matter if I rotate the glass 180 degrees or change between 16-35mm, it's always on the same position. As you can see, the result is far from useable even if you go for B&W. Any ideas on what the problem could be or should I just give up?

can you try recomposing different parts of the scene to see how the line affects the image?


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InPhoto
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Oct 28, 2015 15:04 |  #2503


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marcwilliams88
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Jan 05, 2016 04:36 |  #2504

Is this thread still alive? Time for a bump I feel...

Been a while, I'm getting back into shooting with a snap of my favourite location.

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Two image stitched pano with MS ICE, welding glass filter used ~ 90s exposure.

Winter Pier

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CameraMan
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Jan 05, 2016 10:08 |  #2505

I think some of us have moved on to ND10 filters since the price has dropped spo much on them. I still have mine but finding time to shoot anything lately has been a real challenge for me.


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Welding Glass (£1/$1 ND Filter) Exposures
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