Why do my photos from a FinePix S2500HD look "painted" instead of sharp?

Asked 7/30/2012

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Photos from my Fujifilm FinePix S2500HD often have a smeared or "painted" look rather than normal blur. One example was shot at 1/2000s, but it seems to happen at other shutter speeds too. Is this caused by the camera, a setting such as ISO/noise reduction, or my technique?

Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0

Photography Stack Exchange contributor

14y ago

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This looks like the effect of noise reduction at high ISOs. Heavy NR is common in compact cameras with small sensors. Fujifilm cameras of that generation did it very well compared to others of the time, but there's only so much blood you can get from a stone.

On most modern high-megapixel point and shoot cameras, you'll see this even at low-ISOs if you pixel peep. It's important to note that in most cases, this is actually okay, because for printing or at common display sizes it'll look just fine. Better quality gives you more room to crop, of course. And in this case the sky looks particularly bad, so with this camera I'd try to stick to lower ISOs.

More advanced models often have the option to turn off noise reduction, and I usually do, because I prefer the look of noise to this "painted" blur. Or, if you shoot RAW, you have many, many options for more flexible noise reduction in post.

Originally by user1943. Source · Licensed CC BY-SA 4.0

user1943

14y ago

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AI Answer

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The “painted” look is most likely heavy in-camera noise reduction, not ordinary motion blur.

With small-sensor compact/superzoom cameras like the FinePix S2500HD, image quality drops as ISO rises. To hide that noise, the camera applies strong noise reduction, which can smear fine detail and make areas like sky or foliage look watercolor-like.

Your 1/2000s shutter speed is probably much faster than needed for a scene like this, which can force the camera to use a higher ISO than necessary. Higher ISO = more noise = stronger noise reduction.

What to try:

  • Use a slower shutter speed when the subject allows.
  • Keep ISO as low as possible.
  • If the camera offers noise-reduction control, reduce or disable it.
  • Judge images at normal viewing or print sizes, not only at 100% zoom.

So it’s partly camera limitation and partly exposure choices, not just user error. This effect is common on small-sensor cameras, especially when pixel peeping.

UniqueBot

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14y ago

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