Which Camera Can Help Me Achieve This Effect?
not sure what that feature is called, i have the dsc707 and i'm not sure if i have that feature.
this site talks a lot about cams, give it a try. hope this helps.
www.dpreview.com
this site talks a lot about cams, give it a try. hope this helps.
www.dpreview.com
There are several ways to achieve this effect. Essentially it is a sequence of pictures.
In the olden days of film cameras, you'd need a motor drive on your camera -- effectively making it a movie camera. You just take a very fast sequence of shots (the motor drive is timed, so the space between shots is all the same, just like a movie film). Since the camera is taking individual pictures, you set the camera up (aperture and shutter) to properly expose the individual shots. Then to get the effect you see here, you'd need to overlap the pictures and get all the actions back into one picture.
Another way to achieve this all in one picture is with a high power strobe light. In this case, you are effectively taking one picture with a long shutter opening. But in this case, you must set your aperture carefully to limit the amount of light that gets to the film. Basically you open up the shutter while the action is going on, and flash the strobe a number of times (the strobe is also timed to equalize the time between flashes). Each flash is aimed at the person, so effectively you freeze one position and expose that to the film. The reason you must control the amount of light that gets to the film is that since this is a day-time shot, you don't want to over expose the surrounding areas. That's why strobe pictures are seldome taken outdoors, they are usually done in a studio environment with a black background (I'm sure you've seem pictures of people walking, basketball players jumping, etc.) With this technique, you don't need to "assemble" the finished picture.
With digital cameras, it can be done the same way, except the "assembly" process (if you take a sequence of individual pictures) is much simpler. But only a few expensive cameras have the capability of taking a fast sequence of shots. The technique with the strobe would also work with digital cameras, but a little harder to set up because most digital cameras do not provide the proper interface to manually control the shutter duration like film cameras used to.
All in all, not an easy thing to do.
In the olden days of film cameras, you'd need a motor drive on your camera -- effectively making it a movie camera. You just take a very fast sequence of shots (the motor drive is timed, so the space between shots is all the same, just like a movie film). Since the camera is taking individual pictures, you set the camera up (aperture and shutter) to properly expose the individual shots. Then to get the effect you see here, you'd need to overlap the pictures and get all the actions back into one picture.
Another way to achieve this all in one picture is with a high power strobe light. In this case, you are effectively taking one picture with a long shutter opening. But in this case, you must set your aperture carefully to limit the amount of light that gets to the film. Basically you open up the shutter while the action is going on, and flash the strobe a number of times (the strobe is also timed to equalize the time between flashes). Each flash is aimed at the person, so effectively you freeze one position and expose that to the film. The reason you must control the amount of light that gets to the film is that since this is a day-time shot, you don't want to over expose the surrounding areas. That's why strobe pictures are seldome taken outdoors, they are usually done in a studio environment with a black background (I'm sure you've seem pictures of people walking, basketball players jumping, etc.) With this technique, you don't need to "assemble" the finished picture.
With digital cameras, it can be done the same way, except the "assembly" process (if you take a sequence of individual pictures) is much simpler. But only a few expensive cameras have the capability of taking a fast sequence of shots. The technique with the strobe would also work with digital cameras, but a little harder to set up because most digital cameras do not provide the proper interface to manually control the shutter duration like film cameras used to.
All in all, not an easy thing to do.
another way to do it on traditional film is a fake advance. but that's tricky. You snap the film, then make the camera think you advance the roll to the next frame but really you keep the film on the same frame and take another picture. A high speed shutter and re-piecing the frames is much simpler and easier.
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Your DSC S70 won't take shots fast enough to achieve this as it does not have a big image buffer. I bought one for my Fiance' and it is a great camera (Carl Zeiss Lens) but that is it's one weakness.
If you had a high speed digital camera you would lock down the tripod and snap a sequence. Then you would have multiple shots with the background constant. You would then use a program such as Photoshop to recomposit all the action into one image.
If you had a high speed digital camera you would lock down the tripod and snap a sequence. Then you would have multiple shots with the background constant. You would then use a program such as Photoshop to recomposit all the action into one image.




