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FORUMS Canon Cameras, Lenses & Accessories Canon Accessories 
Thread started 01 Dec 2014 (Monday) 15:17
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Which 10-stop filter: B+W (color cast issue?) or off-brand (Camdiox)

 
trale
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Dec 01, 2014 15:17 |  #1

I'm struggling to decide on a 10 stop for my landscape lens (Canon 17-40mm F4 L).

I've bought various filters over the years and I've generally bought B+W filters. So my first instinct is to pick up this one, readily available on Amazon for $94:
http://www.amazon.com …gle-Coating/dp/B003ZDHP7U (external link)

But after reading up on some reviews, it seems this filter has a warm color cast
http://www.the-digital-picture.com …utral-Density-Filter.aspx (external link)
http://www.amateurphot​ographer.co.uk …d-10-stop-nd-filters-9470 (external link)

However, it is noted that the cast can be easily removed through WB settings or in post. Is there anyone there that has this filter and maybe comment on the situation?

Those reviews also mentioned great things about this Chinese brand 10-stop filter (Camdiox), which would ultimately cost me $50:
http://srb-photographic.co.uk …-nd1000-filter-5944-p.asp (external link)

This is a significant savings, and it's better than the B+W: it has no color cast. Here's one more review specifically for this filter:
http://forums.overcloc​kers.co.uk/showthread.​php?t=18602588 (external link)

At present, it seems the Camdiox is a no-brainer, but before I jump, I thought I might try to get some feedback on this issue.

Any thoughts?




  
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Mark-B
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Dec 02, 2014 08:57 |  #2

trale wrote in post #17301410 (external link)
I'm struggling to decide on a 10 stop for my landscape lens (Canon 17-40mm F4 L).

I've bought various filters over the years and I've generally bought B+W filters. So my first instinct is to pick up this one ....
But after reading up on some reviews, it seems this filter has a warm color cast. However, it is noted that the cast can be easily removed through WB settings or in post. Is there anyone there that has this filter and maybe comment on the situation?

Color casts are not consistent and will depend on the length of exposure, time of day, and sunlight conditions when you take the picture. Some of the pictures I take with my B+W 10 stop have a reddish color and some do not. Every picture I take (with or without the filter) will be adjusted for white balance anyway, so that is not really a concern.

Those reviews also mentioned great things about this Chinese brand 10-stop filter (Camdiox), which would ultimately cost me $50....

This is a significant savings, and it's better than the B+W: it has no color cast. Here's one more review specifically for this filter:
http://forums.overcloc​kers.co.uk/showthread.​php?t=18602588 (external link)

The pictures in posts #15 & 16 in that link have a red color cast. The backyard garden pictures in post #1 looks like they may have had a cast, then were improperly corrected to remove it and now just have a greenish tint. I don't see whatever you see at that link that is supposed to show a lack of color cast.


Mark-B
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DisrupTer911
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Dec 02, 2014 14:43 |  #3

Whenenver possible, you want to cover the viewfinder of the camera to prevent light leak.
I've read several articles that have stated that light going into the viewfinder bounces around at the front element and the filter and causes the color casts.

1D bodies have a viewfinder shutter, most of the canon bodies come with a viewfinder cap that attaches to the strap.


That being said, my B+W 10stop was amazing to use at the beach on my vacation, able to get nice cloud movement and silky oceans just after mid-day with it and no color issues.


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hollis_f
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Dec 03, 2014 06:56 |  #4

DisrupTer911 wrote in post #17305648 (external link)
Whenenver possible, you want to cover the viewfinder of the camera to prevent light leak.
I've read several articles that have stated that light going into the viewfinder bounces around at the front element and the filter and causes the color casts.

It won't cause a colour cast, but it can cause flare.

Colour casts can be caused by the filter letting through a lot of IR light, but it's normally down to the quality of the filter. All but the worst cases (welding glass) can be fixed by use of a grey target and shooting in raw.


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Charlie
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Dec 03, 2014 08:40 |  #5

Don't know about Camdiox, but Haida is a proven off brand that many board users use. Works very well.


Sony A7siii/A7iii/ZV-1 - FE 24/1.4 - SY 24/2.8 - FE 35/2.8 - FE 50/1.8 - FE 85/1.8 - F 600/5.6 - CZ 100-300 - Tamron 17-28/2.8 - 28-75/2.8 - 28-200 RXD
Panasonic G9 - Laowa 7.5/2 - PL 15/1.7 - P 42.5/1.8 - OM 75/1.8 - PL 10-25/1.7 - P 12-32 - P 14-140

  
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BrandonSi
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Dec 03, 2014 13:53 |  #6

I tried to go check on 10 stop and vari-nd filters before. Always had problems. I finally broke down and got the Lee set, been happy ever since. I don't use it that often, but I've never had any color cast issues on my end (or if I did, it was so trivial to resolve that I don't even remember doing it).


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Which 10-stop filter: B+W (color cast issue?) or off-brand (Camdiox)
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