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FORUMS Cameras, Lenses & Accessories Canon G-series Digital Cameras 
Thread started 23 Jul 2012 (Monday) 06:07
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Settings on G12

 
laffe
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Jul 23, 2012 06:07 |  #1

Im trying to take some images of running water.
I know that i can get 1 cool effects using the TV settings.

However, when i reduce the shutter speed (i think it is) to much i get an all white image.
When I increase it to get the still images of the water dropplets I get to dark images.

Is there a way to compensate this? I know I can use flash for the darker images, but for the white images?

What settings can I use?


Pictures taken with my FIRST underwater camera Canon Ixus 100IS:
http://s915.photobucke​t.com/albums/ac353/kdk​_photo/ (external link)
Photos taken with my NEW Canon G12 and OEM underwater housing:
http://s915.photobucke​t.com …%20til%20Kriken​es%202011/ (external link)

  
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Jacc
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Jul 23, 2012 06:25 |  #2

Can't say for G12 but on Nikon P310 this is simplest: choose shutter priority mode and select the slowest one which suits you, camera will automatically select aperture and voila. You can experiment also with exposure compensation, reducing it if necessary. On large Nikon DSLR, you can simply put in ND filter to reduce amount of light.




  
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laffe
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Jul 23, 2012 06:46 |  #3

Well, i do sett the exposure.
But it gets to much light on it.
When I reduce the exposure, the water isnt as good as I want it to be, if you know what i mean.
i want the water to look like fog running, but with slower exposure, you can see its water....

Hard to explain, but it gets to much light, and im wondering if I can compensate in any way


Pictures taken with my FIRST underwater camera Canon Ixus 100IS:
http://s915.photobucke​t.com/albums/ac353/kdk​_photo/ (external link)
Photos taken with my NEW Canon G12 and OEM underwater housing:
http://s915.photobucke​t.com …%20til%20Kriken​es%202011/ (external link)

  
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Jacc
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Jul 23, 2012 07:15 |  #4

you have to reduce exposure further or use ND filter for that to get silky flowiing water. You need slower shutter speed for that, therefore, you can also reduce aperture.




  
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Immaculens
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Jul 23, 2012 09:05 as a reply to  @ Jacc's post |  #5

a slower shutter lets in more light, as you now know

Go into Manual mode - select ISO 100 (or 80)

Set the aperture to something like f/6.3 or f/7.1 or f/8

select a slow shutter speed that gives you both the exposure and effect you want

Once you understand the relationship between ISO / aperture / Shutter Speed - then go to the woods with a tripod and find a nice stream and photograph the water so it looks like a milky texture

As mentioned, a ND (neutral density) Filter will be good to get if you like this type of photography.



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denncald
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Jul 23, 2012 09:48 as a reply to  @ Immaculens's post |  #6

Read page 104 in your user guide on activating the built in ND filter, then read this tutorial;

http://www.cambridgein​colour.com …utral-density-filters.htm (external link)

Dennis




  
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Gil ­ Bean
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Location: San Angelo, TX
     
Jul 23, 2012 11:29 |  #7

denncald wrote in post #14756524 (external link)
Read page 104 in your user guide on activating the built in ND filter, then read this tutorial;

http://www.cambridgein​colour.com …utral-density-filters.htm (external link)

Dennis

+1 ^^^^^^^^^^^^^^^


G3, G6, G12, T2i + kit lens & accoutrements

  
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steve40
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Jul 23, 2012 11:52 as a reply to  @ Gil Bean's post |  #8

The G12 has a built in 3 stop ND filter, go to the menu and find it. Use a 5.6 stop really no more, diffraction takes over after this, and ruins small details. If it is late enough in the day, the built in 3 stop filter may work for you. Also use manual, set the F stop, and watch the light meter as you adjust shutter speed. If you can get a 1/3 second speed or better, you can blur the water. If not, you will need more ND filtering to do it.

I have the extra filter adapter, and a 6 stop B+W ND filter, that does the job nicely.

The Cambridge article is directed toward DSLR's, and has no real bearing on the G12. Repeat do not use a stop of more than 5.6, use an even smaller one if possible, F4 is the sweet spot on the G12 lens. That means the F stop with the best DOF, and small detail resolution.


Steve40.
http://steveslandscape​s.50webs.com (external link)
Cameras: Canon G12, SX150 is, & A1200.
Darkroom & Printer: PhotoShop Elements 9, Canon Pixma iX6520.
Tripods: Manfrotto 190XPROB & Giottos MT 9251 + Several Heads.

  
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Settings on G12
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