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11/17/2005 06:14:29 PM · #1 |
What do these filters do? What is a 2 stop good for? How about an 11 stop? Why do you use them?
Thanks,
E
Message edited by author 2005-11-17 18:15:25. |
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11/17/2005 06:19:24 PM · #2 |
They reduce the light the stated number of stops, without affecting the color of the light, thus the Neutral Density name.
This allows you to use a longer exposure during the day or bright light situations. (think moving waterfalls)
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11/17/2005 06:22:43 PM · #3 |
| 10-11 stops is almost purely for photographing the sun (ie eclipses)... |
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11/17/2005 06:23:54 PM · #4 |
With a ND graduated filter you get a dark area and a light area. The dark area can be used at the top of the shot to bring out the detail in the sky . The bottom (clear) half then lets as much light as possible through to give a different exposure fore the foreground.
I have lots of these and use them most of the time in landscape shots
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11/17/2005 06:30:22 PM · #5 |
Think of them as sunglasses for your camera. :)
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11/17/2005 07:16:54 PM · #6 |
You can probably use a 10 stop one to take a picture in a middle of a city street, like New York and be able to get a slow enough exposure as not to see any people in the picture. The buildings should be prominent in the shot instead of the people, cars, etc.
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11/17/2005 07:22:36 PM · #7 |
Thanks for posting the question eslaydog i was wondering the same question lately myself.
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11/17/2005 07:33:52 PM · #8 |
I have a B+W 13 stops ND filter. I have used it a couple of time. It's fun to use but I get a nasty color shift that I have a hard time getting rif off in photoshop. I can take a 2 minutes exposure in middle of the day; but greens (especially vegetation) shifts to red. Other colors are more or less ok. Even custom white balance can't get rid of that.
Also, with 10 and up ND filter, viewfinder and autofocus are useless. You have to setup the shot (focus and all) and then go to manual to take the exposure.
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11/17/2005 08:02:58 PM · #9 |
| If you are not shooting water, why would you want to slow anything down? What is the benefit? |
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11/17/2005 08:39:50 PM · #10 |
Originally posted by eslaydog:
If you are not shooting water, why would you want to slow anything down? What is the benefit? |
Creativity?
;o)
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11/17/2005 08:42:12 PM · #11 |
Originally posted by eslaydog:
If you are not shooting water, why would you want to slow anything down? What is the benefit? |
Perhaps you want to use a very small DOF with an aperture of f/1.4. You may have trouble doing that during a bright day. |
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11/17/2005 09:53:45 PM · #12 |
This was on a fairly bright day. This is the best i could do - as i slowed the shutter the pic began to get overexposed. A small DOF was not possible, but would have made the BG blurry and the shot much better. Had i had a ND filter then i could have captured my 'vision'. As it is the shirt is blown out and am at F22!
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11/18/2005 12:12:29 AM · #13 |
Originally posted by cpanaioti:
Originally posted by eslaydog:
If you are not shooting water, why would you want to slow anything down? What is the benefit? |
Creativity?
;o) |
Cpanaioti,
Creatively do what? That is my question. |
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11/18/2005 12:45:12 AM · #14 |
Originally posted by eslaydog:
Originally posted by cpanaioti:
Originally posted by eslaydog:
If you are not shooting water, why would you want to slow anything down? What is the benefit? |
Creativity?
;o) |
Cpanaioti,
Creatively do what? That is my question. |
Use your immagination. Take a picture of the wind at midday. Get motion blur with traffic at midday.
Message edited by author 2005-11-18 00:48:45.
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11/18/2005 12:58:25 AM · #15 |
Originally posted by eslaydog:
If you are not shooting water, why would you want to slow anything down? What is the benefit? |
I was shooting at the horse races the other day. I wanted to get the frantic motion of the horses, with legs bluring, but the jockies and heads of the horses pretty stable. I got what I wanted by panning with the action, but the backround was too intrusive, since I had to shoot with a high apature to get the exposure long enough for the blur. If I had had a ND filter I could have gone down a few stops and blurred out the backround by narrowing the depth of feild as well as the panning,to a softer look that would have really helped make the horses pop. Just one example that comes to mind. |
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