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ND filters
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Dec 1, 2020 13:12:13   #
SpikeW Loc: Butler PA
 
I had this feeling that I would Like to try more long exposure photos. I understand that use ND filters can help. I think I remember that the variable filters are not much but i see they are made by companies that have been recommended by mu UHH group. IF they are good the price and the ease of using just one filter sounds good. Give me some recommendions.

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Dec 1, 2020 13:19:48   #
PixelStan77 Loc: Vermont/Chicago
 
SpikeW wrote:
I had this feeling that I would Like to try more long exposure photos. I understand that use ND filters can help. I think I remember that the variable filters are not much but i see they are made by companies that have been recommended by mu UHH group. IF they are good the price and the ease of using just one filter sounds good. Give me some recommendions.


Hoya, B&D

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Dec 1, 2020 13:21:56   #
CHG_CANON Loc: the Windy City
 
The issues are strength and format.

Format as in screw-in similar to a traditional UV / protective filter. Or, square that has a mount bracket that attaches to the lens and / or lens hood.

Strength depends on how / where / when you want to shoot. A 10-stop ND can be hard to work with because the lens / camera likely can't autofocus due to the lack of light. But, they can provide rather dramatic results in full daylight. Just focus the camera first, then set the lens to manual focus so it doesn't refocus and attach the filter and shoot.

You might find a 4-stop or 6-stop more useful over 10-stop. In a pinch, you can stack the two and create a 10-stop.

Wiki and B&H have details:

https://en.wikipedia.org/wiki/Neutral-density_filter

https://www.bhphotovideo.com/explora/photography/hands-on-review/a-guide-to-neutral-density-filters

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Dec 1, 2020 13:56:51   #
kufengler Loc: Meridian, Idaho 83646
 
SpikeW wrote:
I had this feeling that I would Like to try more long exposure photos. I understand that use ND filters can help. I think I remember that the variable filters are not much but i see they are made by companies that have been recommended by mu UHH group. IF they are good the price and the ease of using just one filter sounds good. Give me some recommendions.


Off hand I can't recall which brand I have, but here are a couple pictures when I first tried it out on our Water Feature we had.





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Dec 1, 2020 13:59:01   #
bleirer
 
SpikeW wrote:
I had this feeling that I would Like to try more long exposure photos. I understand that use ND filters can help. I think I remember that the variable filters are not much but i see they are made by companies that have been recommended by mu UHH group. IF they are good the price and the ease of using just one filter sounds good. Give me some recommendions.


A couple of articles covers the major types.

https://www.cambridgeincolour.com/tutorials/neutral-density-filters.htm

https://www.cambridgeincolour.com/tutorials/graduated-neutral-density-filters.htm

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Dec 1, 2020 14:09:05   #
DWU2 Loc: Phoenix Arizona area
 
CHG_CANON wrote:
The issues are strength and format.

Format as in screw-in similar to a traditional UV / protective filter. Or, square that has a mount bracket that attaches to the lens and / or lens hood.

Strength depends on how / where / when you want to shoot. A 10-stop ND can be hard to work with because the lens / camera likely can't autofocus due to the lack of light. But, they can provide rather dramatic results in full daylight. Just focus the camera first, then set the lens to manual focus so it doesn't refocus and attach the filter and shoot.

You might find a 4-stop or 6-stop more useful over 10-stop. In a pinch, you can stack the two and create a 10-stop.

Wiki and B&H have details:

https://en.wikipedia.org/wiki/Neutral-density_filter

https://www.bhphotovideo.com/explora/photography/hands-on-review/a-guide-to-neutral-density-filters
The issues are strength and format. br br Format ... (show quote)

A third factor is that some ND filters give the photo a distinct color cast.

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Dec 1, 2020 17:37:01   #
bleirer
 
DWU2 wrote:
A third factor is that some ND filters give the photo a distinct color cast.


Color cast? Can you give any specifics?

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Dec 1, 2020 19:43:30   #
kufengler Loc: Meridian, Idaho 83646
 
bleirer wrote:
Color cast? Can you give any specifics?


A colour cast is a tint of a particular colour, usually unwanted, that evenly affects a photographic image in whole or in part. Certain types of light can cause film and digital cameras to render a colour cast.

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Dec 1, 2020 20:23:03   #
bleirer
 
kufengler wrote:
A colour cast is a tint of a particular colour, usually unwanted, that evenly affects a photographic image in whole or in part. Certain types of light can cause film and digital cameras to render a colour cast.


I was wondering what the poster meant by saying a ND filter caused a color cast. Which ND filter? What color was the cast?

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Dec 1, 2020 20:52:34   #
CO
 
PixelStan77 wrote:
Hoya, B&D


I think B&D is an abbreviation for bondage & discipline.

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Dec 2, 2020 06:07:09   #
Triplets Loc: Reading, MA
 
SpikeW wrote:
I had this feeling that I would Like to try more long exposure photos. I understand that use ND filters can help. I think I remember that the variable filters are not much but i see they are made by companies that have been recommended by mu UHH group. IF they are good the price and the ease of using just one filter sounds good. Give me some recommendions.


I use a Breakthrough Technologies 6-stop ND filter.

Dennis


(Download)

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Dec 2, 2020 06:44:24   #
rmalarz Loc: Tempe, Arizona
 
B+W filters are one of the best. Avoid purchasing and/or using variable neutral density filters.
--Bob
SpikeW wrote:
I had this feeling that I would Like to try more long exposure photos. I understand that use ND filters can help. I think I remember that the variable filters are not much but i see they are made by companies that have been recommended by mu UHH group. IF they are good the price and the ease of using just one filter sounds good. Give me some recommendions.

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Dec 2, 2020 06:52:32   #
ctsteps5
 
All my main lenses have one on it. Highly learn how to use. You will see the inpact it has

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Dec 2, 2020 06:52:36   #
Gene51 Loc: Yonkers, NY, now in LSD (LowerSlowerDelaware)
 
bleirer wrote:
I was wondering what the poster meant by saying a ND filter caused a color cast. Which ND filter? What color was the cast?


Most all produce a cast compared to not using a filter. Shooting raw and using a ColorChecker Passport will fix that. Using a grey card will get you pretty close if color accuracy is not critical.

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Dec 2, 2020 06:54:19   #
Gene51 Loc: Yonkers, NY, now in LSD (LowerSlowerDelaware)
 
SpikeW wrote:
I had this feeling that I would Like to try more long exposure photos. I understand that use ND filters can help. I think I remember that the variable filters are not much but i see they are made by companies that have been recommended by mu UHH group. IF they are good the price and the ease of using just one filter sounds good. Give me some recommendions.


Variable ND filters can have an uneven effect across an image, especially if there is sky and one is using a wide lens. Best to stay away from them.

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