Botanic Specimens

Discussion in 'Landscape & Cityscape' started by Ronman, Dec 20, 2007.

  1. Ronman

    Ronman TPF Noob!

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    I brought these flowers in last Summer, placed them in front of a black background and lit them with a desk lamp. What do you think about these?






    1 ?[​IMG]






    2 Common Fleabane
    [​IMG]








    3 Bluette
    [​IMG]
     
  2. Trenton Romulox

    Trenton Romulox TPF Noob!

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    They all seem really noisy and slightly underexposed to me, to be honest.
     
  3. Sideburns

    Sideburns TPF Noob!

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    way too noisy. They're pretty good, but I'd like to see less noise.
     
  4. Ronman

    Ronman TPF Noob!

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    Thanks, I'm trying to figure out where I'm introducing the noise.

    Hell, I'm just figuring out what noise is. Thanks again. Ron
     
  5. Ls3D

    Ls3D TPF Noob!

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    Noise is that graininess where there should be smoother gradients. I'm just a noob, but I'm guessing a larger aperture will let more light hit the sensor and reduce the effect (assuming digital). The ISO could be too high as well, or maybe a desk lamp is too warm - a combination of problems?

    This should get the pros chiming in!

    -Shea :mrgreen:
     
  6. Trenton Romulox

    Trenton Romulox TPF Noob!

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    I'd say the most common means of introducing noise to an image, if using digital, would be too high of an ISO. At least that's where I've run into noise. In fact, that's the only time I run into noise, is when shooting at anything above ISO 1250 or so, but that's usually minimal. I run into a lot of noise at ISOs 3200 and 6400. The level of noise when using a digital camera can depend on what body you're using.
     
  7. Ronman

    Ronman TPF Noob!

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    Maybe it's this old camera I'm using, it's an Olympus 7000C. It has a 1x1.8 CCD sensor, 7.1mp.

    I use Paint Shop Pro 8 for processing. My full size images do not look as bad as the ones from photobucket. The petals on #2 are much better on the larger files, the shaded and less exposed areas are not much different.
    Am I doing something wrong when they are compressed. I can print 8.5x11s that are real nice.
     
  8. Ronman

    Ronman TPF Noob!

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    Maybe it's this old camera I'm using, it's an Olympus 7000C. It has a 1x1.8 CCD sensor, 7.1mp.

    I use Paint Shop Pro 8 for processing. My full size images do not look as bad as the ones from photobucket. The petals on #2 are much better on the larger files, the shaded and less exposed areas are not much different.
    Am I doing something wrong when they are compressed. I can print 8.5x11s that are real nice.

    My fastest ISO is only 400, I'm usually at 100.
     
  9. Ls3D

    Ls3D TPF Noob!

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    Your printer inks may be sublimating and actually smoothing out the noise. Post a 100% sample crop if you want the noise evaluated at full resolution.

    -Shea
     
  10. Ronman

    Ronman TPF Noob!

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    Something like this?





    [​IMG]
     
  11. Ls3D

    Ls3D TPF Noob!

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    Are you seeing the noise now? It is pretty bad. Compare it to some of the other post here. Hopefully you can produce better results with some different settings. Someone with that camera may even be able to help you out. ;)

    -Shea
     
  12. Ronman

    Ronman TPF Noob!

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    I think I'm going to move ahead with my plan to purchase a DSLR. I think I had decided that this was the limitation of the camera. I didn't know they should be so much better. New camera should solve this problem.

    Thank you all, Ron
     

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