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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

 
andyjensen
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May 13, 2011 03:55 |  #1006

Anke wrote in post #12399956 (external link)
The beauty of the welding glass is that you can see if this sort of photography is going to be for you and if you'll want to do it a lot, if not then you haven't wasted much cash :)

Oh I know I'm into this sort of photography ... I love shooting waterfalls and would like to do some other daytime long exposure stuff. I'm just a starving college student.


Some clicking occurred, a few lenses were involved, that's about all I know ...

  
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Anke
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May 13, 2011 03:57 |  #1007

andyjensen wrote in post #12401094 (external link)
Oh I know I'm into this sort of photography ... I love shooting waterfalls and would like to do some other daytime long exposure stuff. I'm just a starving college student.

Ahh, perfect for that too :D

Have fun! :)


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n4ck
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May 13, 2011 17:18 as a reply to  @ post 12400627 |  #1008

Well, I got my glass just now! I got it from ebay seller "netwelder" and I highly recommend them. It got here quickly, was very well padded, and was not dirty at all. Cost me $6!

Now I just need to find a way to attach it to my lens! :cool:


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Anke
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May 13, 2011 17:46 |  #1009

n4ck wrote in post #12404915 (external link)
Well, I got my glass just now! I got it from ebay seller "netwelder" and I highly recommend them. It got here quickly, was very well padded, and was not dirty at all. Cost me $6!

Now I just need to find a way to attach it to my lens! :cool:


Nice! Elastic bands are the cheapest way :)


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n4ck
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May 14, 2011 12:04 |  #1010

Alright everyone, I need your help! This morning I went to the beach to try out my new filter. I took some different exposures to experiment, but they all came out black with all of these crazy colored splotches and grain on them. I was shooting at ISO 100 as well.

I bumped the exposure, brightness, and fill light all of the way up in ACR, then turned down the saturation and this is what I got.

What did I do wrong? Should I have covered the viewfinder so no light can get in? If needed I can post examples that are SOOC. Thanks!
(I think it's kind of a cool error though, I didn't even need to add texture!)

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Anke
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May 14, 2011 15:27 |  #1011

n4ck wrote in post #12408525 (external link)
Alright everyone, I need your help! This morning I went to the beach to try out my new filter. I took some different exposures to experiment, but they all came out black with all of these crazy colored splotches and grain on them. I was shooting at ISO 100 as well.

I bumped the exposure, brightness, and fill light all of the way up in ACR, then turned down the saturation and this is what I got.

What did I do wrong? Should I have covered the viewfinder so no light can get in? If needed I can post examples that are SOOC. Thanks!
(I think it's kind of a cool error though, I didn't even need to add texture!)
QUOTED IMAGE
IMAGE LINK: http://www.flickr.com …ckphotography/5​718856523/  (external link)
Ocean Beach Pier (external link) by NackPhotography (external link), on Flickr

There is your problem, expose properly in-camera and you'll be fine. Expose for longer so that the image looks bright enough sooc.

The splodges you talk about are probably sensor dust, if you were shooting at tiny apertures then they'd show up more. Your sensor probably just needs a good cleaning.


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c2thew
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May 14, 2011 18:22 |  #1012

"I bumped the exposure, brightness, and fill light all of the way up in ACR,"

You definitely underexposed the image. The software tried to compensate for your underexposure but also introduced banding to your final image as well which is what you are seeing. There is only so much information that the software can interpret.


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J ­ Michael
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May 14, 2011 21:58 |  #1013

Astronomers who photograph the Sun often use a solar filter which is manufactured from aluminized mylar. Similar stuff is sold for tinting windows and might be another option, possibly even less expensive that your welding glass. I'm not sure what the coating standards are for the stuff, but an industrial supplier like McMaster-Carr might have spec sheets on their website.




  
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Anke
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May 14, 2011 22:24 |  #1014

J Michael wrote in post #12411090 (external link)
Astronomers who photograph the Sun often use a solar filter which is manufactured from aluminized mylar. Similar stuff is sold for tinting windows and might be another option, possibly even less expensive that your welding glass. I'm not sure what the coating standards are for the stuff, but an industrial supplier like McMaster-Carr might have spec sheets on their website.


Are you going to buy some and try it out for us? :)


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Ronin ­ Silv
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May 15, 2011 04:33 |  #1015

I have some privacy tint knocking around somewhere I think applied to a ND filter it would be interesting how it works. The only problem I can see would be the film peeling back when inserting the filter into the holder.


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May 15, 2011 08:19 |  #1016

No, sorry, too many other projects right now. Just making a suggestion. I did a little searching and I think a good google start would be 'polyester film metallized'. Have fun.

Anke wrote in post #12411198 (external link)
Are you going to buy some and try it out for us? :)




  
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rchr
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May 15, 2011 21:19 |  #1017

@Jetjoint,

So where did you manage to get your welding glass from?




  
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May 15, 2011 23:12 |  #1018

rchr

Ata place called Hardware and General in Brookvale, Sydney. It was the last one sitting a specials bin though!


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May 16, 2011 02:18 |  #1019

that intersection is kempton and kempton! i guess some city council person had a bit of an ego

c2thew wrote in post #12398094 (external link)
My sample white balance image

Resulting image after setting white balance
QUOTED IMAGE

same settings as above


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May 16, 2011 03:11 |  #1020

This is great stuff! :D Really want to try this out.

So just to confirm, if I get something like this (external link) - what shade should I order - 9EW/10EW/11EW?

Also, to fit this to a 24-70L do I buy a 77mm to smaller thread "step down" ring or 77mm to larger thread "step up" ring?


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