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fruheadmj
22nd of April 2004 (Thu), 20:51
I know there are a few techniques for conveying motion, but one that I've been trying to use w/ my Canon S200 is using a slower shutter speed... eg, I want to take a photo of a waterfall w/ a tripod, with the water blurred but everything else in clear focus.

The only way I know how to change the shutter speed on the S200 is manual--> long shutter --> then change the shutter speed... but doing this lets in WAY too much light. How can I still use the slower shutter speed but not have the photo so overexposed? The ISO is on the lowest setting possible (50), and it seems that you can't change much else (exposure compensation, etc.) while in the long shutter mode...

Or is there a better way of taking such photos w/o messing around with the shutter speed?

This has been driving me up the wall for quite a while... :-( please help! E-mailed repsonses preferred (tigger246 [at] hotmail [dot] com).

Thanks!

timmyquest
22nd of April 2004 (Thu), 21:11
The shutter speed is the only thing that will effect the "time of the photo". Which makes sence.

More time though means more light, lucky for us...there are other things that controll light without controlling time.

You can close your appature (larger numbers=smaller appature)

And/Or lower your ISO.

Thats...pretty much it though.

PhotosGuy
23rd of April 2004 (Fri), 07:51
I'm not familiar with the S200, but in addittion to the advice above, there's a "last option" to slow everything down, if metering is TTL. Put a neutral density filter on the lens - polarizing, Conkin ND, etc.

There's a shot of a seagull at www.************/7k43 that I took years ago. I used an ISO 400 film because I wanted grain, but I wanted to get down to the 1/2 sec range, so I stacked a polarizer, neutral density filters, & a red filter (to get the sky black).

Experiment with small f-stops & low ISO first, & neutral density last. And, have fun!

stopbath
23rd of April 2004 (Fri), 08:10
I know there are a few techniques for conveying motion, but one that I've been trying to use w/ my Canon S200 is using a slower shutter speed... eg, I want to take a photo of a waterfall w/ a tripod, with the water blurred but everything else in clear focus.

The only way I know how to change the shutter speed on the S200 is manual--> long shutter --> then change the shutter speed... but doing this lets in WAY too much light. How can I still use the slower shutter speed but not have the photo so overexposed? The ISO is on the lowest setting possible (50), and it seems that you can't change much else (exposure compensation, etc.) while in the long shutter mode...

Or is there a better way of taking such photos w/o messing around with the shutter speed?

This has been driving me up the wall for quite a while... :-( please help! E-mailed repsonses preferred (tigger246 [at] hotmail [dot] com).

Thanks!
You'll need neutral density filters to trick the camera into using longer exposure times.

The scene is too bright so shoot early morning or late evening, or during heavy overcast to remove some daylight for you. Then hold or otherwise employ one or more filters in front. An lens of sunglasses (in or out of the frames) may work well but be carefull of distortion from cheaper glasses.

You may need multiple filters.