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Author Topic: Big Stoppa Filter  (Read 1073 times)

Offline Andrew

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Big Stoppa Filter
« on: November 18, 2013, 09:35:26 PM »
I recently acquired one of those 'big stoppa' (ND10) filters wit which to experiment - i do like the pearlescent water or blurred cloud look that is gaine by attaching a piece of welding glass to the lens.

My thought though is this - i've always been given to believe that when using such a filter you have to manually focus then slide filter into place and hold remote release for a substantial numbers of seconds (usually enough to make a cup of tea).

Well, tested mine out and was somewhat amazed to discover that the camera could actually focus right through this piece of commercially produced welding glass, and i didn't have time to make the cup of tea - 15-20 seconds seeming to be as long as i need  :-\

Has any one any experience of using these filters and can you enlighten me on your usage in relation to my expectations and experience...


1 body, 1 lens, 1 flash gun, 1 tripod, 1 cable release & 1 filter. Keeping it simple!
(I lied, just got a second lens!)

Offline Jediboy

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Re: Big Stoppa Filter
« Reply #1 on: November 19, 2013, 07:22:29 AM »
That's interesting. I've never tried focussing through my filter. I always focus then attach the filter.
I will definately try your method.
May the Force be with you.

Chris

Offline donoreo

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Re: Big Stoppa Filter
« Reply #2 on: November 19, 2013, 05:35:54 PM »
I have done both.  In bright light my 10 stop will allow me to focus through it. 

Offline Andrew

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Re: Big Stoppa Filter
« Reply #3 on: November 19, 2013, 06:54:15 PM »
I have done both.  In bright light my 10 stop will allow me to focus through it.

that may explain it then - more 'sunnier' days give the extra light to allow the AF to work as designed. I think my test day was getting near the end of daylight and probably had low sun which often producers that much brighter light.

Waiting for the weather to be a bit more suitable for those wonderfuls effects this filter can produce - but clear skies and water at either low or high tide is not really dooing it  :-\
1 body, 1 lens, 1 flash gun, 1 tripod, 1 cable release & 1 filter. Keeping it simple!
(I lied, just got a second lens!)

 

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