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DPChallenge Forums >> Tips, Tricks, and Q&A >> Smooth Water
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02/13/2009 08:53:26 PM · #1
I'm impressed with water/landscape photos that have that glasslike or really smooth look to bodies of water in them. Not waterfalls. Bays, ponds, lakes, rivers, etc.

Since I live along a river I am interested in achieving the same effect. I'd appreciate any insight as to how to achieve the effect. Most of what I shot to date still has too much detail in the water, which to my mind ruins the shot.

My current assumption is that daylight shots you'd have to use a low ISO (100 or less), f22 or higher in order to get the shutter speed slow enough. But, I still wonder if that's enough.

What am I missing here?

Message edited by author 2009-02-13 20:56:24.
02/13/2009 09:02:46 PM · #2
yes you need a longer than normal exposure in daylight to get that effect so you may want to use a ND filter or even stack a couple of them together. eta: and a tripod would be helpful.

Message edited by author 2009-02-13 21:03:13.
02/13/2009 09:12:51 PM · #3
I've had a neutral density filter on the shopping list for way too long. But, I've always thought they were all graduated filters. I'm guessing now they make them solid as well? So on a bright day when you can't get the shutter speed down slow enough with a high f stop you add filters till you can?
02/13/2009 09:28:28 PM · #4
Originally posted by Yandrosxx:

I've had a neutral density filter on the shopping list for way too long. But, I've always thought they were all graduated filters. I'm guessing now they make them solid as well? So on a bright day when you can't get the shutter speed down slow enough with a high f stop you add filters till you can?


Yeah, the standard ND filter is not graduated; the variable-density ones are the specialty items. And yes, you just use denser and denser filters until you get a shutter speed that works.

R.
02/13/2009 09:33:59 PM · #5
Thanks. Ill look up Filter posts and see what people are using.
02/13/2009 09:43:15 PM · #6
Originally posted by Yandrosxx:

Most of what I shot to date still has too much detail in the water, which to my mind ruins the shot.

My current assumption is that daylight shots you'd have to use a low ISO (100 or less), f22 or higher in order to get the shutter speed slow enough. But, I still wonder if that's enough.

What am I missing here?

When you say there is too much detail in the water, are you referring to what is under the water and not the reflection of the sky? If this is the case you want a circular polarizer which will allow you to add or remove reflections in the water. If you post an example of what you are looking for it may help also. An ND filter will help you get a longer exposure but not get more reflections.
02/13/2009 09:55:15 PM · #7
No wind. It's the air movement across water which rips a lake. Not sure I understand the question. If one is looking for silk effect on flowing water, the secret is to set camera parameter to properly expose with 0.5 to 1.5s shutter speed. I often use a circular polarizer to make this work. But, for other water, there's nothing better than still air to facilitate a glass surface. Usually in the moments prior to dawn where I live.

02/13/2009 10:22:57 PM · #8
Hahn, funny you'd post that explanation, I made that observation driving to work this morning when I noticed how clear and glass like a particular pond was. It occurred to me that it was the hour of the day, which is also something I've notice'd about clear skies. There's less wind, unless there's a storm system in the area, but as the day heats up so do the winds. Clouds typically also develop as a day progresses.

But, I was referring to getting rid of wind produced ripples, etc. in bodies of water I'm shooting.

This is a test shot I took yesterday in the morning. In the spring this site ponds like this and the surrounding fields are full of golden rod flowers for as far as the eye can see. I intend to go back in the Spring to shoot it again when the flowers are in bloom. I don't want ripples in the water. I want it to be smooth.

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Message edited by author 2009-02-13 22:25:36.
02/14/2009 09:46:49 PM · #9
something like noise ninja or neatimage will help you out to remove ripples and/or contrast differences in the water so you can make it look a lot less active.

I use noise ninja on my waters to make them look more silky. Combine this with a 30+ second exposure and it works rather well! You can use noise ninja or neat image time and time again too to increase the effects, just remember to mask out the rocks and other elements you want to remain untouched.

See here:



30 sec exposure, noise ninja applied.

and here:



Message edited by author 2009-02-14 21:48:39.
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