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General => General discussion => Topic started by: TheRaven on 12 April 2013, 12:52

Title: Using Welding Glass as a 10 Stop ND Filter
Post by: TheRaven on 12 April 2013, 12:52
Well, I paid £1.50 for a piece, roughly equivalent to a 10 stop, but causes a terrible green hue, so B&W is pretty much necessary unless you can recover it.

Basically my Sony A200, 18-70mm kit lens,  tripod,  wired remote, welding glass. The glass I glued onto a ring from a lens hood that I removed.  now it just screws onto the front!

(http://farm9.staticflickr.com/8119/8642901548_d72de58441_b.jpg) (http://www.flickr.com/photos/ravenphotography2012/8642901548/)
Welding Glass ND filter set up (http://www.flickr.com/photos/ravenphotography2012/8642901548/) by Raven Photography by Jenna Goodwin (http://www.flickr.com/people/ravenphotography2012/), on Flickr

I'm quite chuffed with this, first attempt on a murky evening, I imagine a bright sunny day would be better. Any tips for improvement?

(http://farm9.staticflickr.com/8527/8640341315_5bb9049dfe_b.jpg) (http://www.flickr.com/photos/ravenphotography2012/8640341315/)
Welding Glass ND filter test (http://www.flickr.com/photos/ravenphotography2012/8640341315/) by Raven Photography by Jenna Goodwin (http://www.flickr.com/people/ravenphotography2012/), on Flickr
Title: Re: Using Welding Glass as a 10 Stop ND Filter
Post by: thatwillis on 12 April 2013, 14:59
Ahhh nice idea!  Does the job nicely. ND filters arn't cheap. I do want to get some tho.
Title: Re: Using Welding Glass as a 10 Stop ND Filter
Post by: Diamond Hell on 12 April 2013, 15:09
I got a pack of filters that cost around £20 last Christmas.

They are great fun and the results are top, if you like landscape photography.

The Cokin types I have mean you can stack a couple, getting near to a 10-stop filter.

I think this was a pair of filters, stacked:

(http://farm9.staticflickr.com/8369/8479087133_7f3c47402f_b.jpg) (http://www.flickr.com/photos/t_cowley/8479087133/)
Title: Re: Using Welding Glass as a 10 Stop ND Filter
Post by: TheRaven on 12 April 2013, 16:05
Nice! I didn't want to spend anything in it really as I may not enjoy it/want to continue it. But, if I do I will buy a decent filter, but for a few quid it's great to give an idea of exposure times, focusing, set up, results, what to expect etc.