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Digital Photo Grain - Question |
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Jan 30th 2005 | #165241 Report |
Member since: Mar 24th 2001 Posts: 3734 |
I'm getting high grain on photos I'm taking. I'm not sure if we have any photography 'buffs here, but I'll ask in case. Image 1: *Removed, cleaning up* Closeup: http://www.thinix.com/_images/istock_monitorgrain.jpg Camera: Olympus E-20N Shutter Speed: 1/50 sec F/Stop: f/2.2 ISO: 80 Flash: Not Used I've experimented with different ISO settings, different F/Stop values, and different flashes, including using a diffuser, with no luck. I don't like to blame bad photography on the camera, so I'm open to suggestions if there is anyone here who knows how to take good photos. I'm set up with a light kit using 600w tungsten bulbs, and have also experimented with setting the lights up at different angles, and differing levels of intensity and distance from the subject. I'm nearly ready to give up and go be a garbage man for a living. |
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Jan 30th 2005 | #165251 Report |
Member since: Apr 20th 2002 Posts: 3000 |
Use a tripod or back away from the subject, the lens probably can't focus that closely. There is a limit ya know. ;) For film at least, using a lower film speed (ISO) reduces the film grain. Might be the early morning high but that doesn't even look like a photo to me ... You can try to dim the lights, set up a tripod and using the same ISO and fstop, get a light reading off the monitor, then overexpose it a stop. |
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Jan 30th 2005 | #165252 Report |
Member since: Aug 12th 2002 Posts: 1693 |
yeah everything I have to say is use a tripod, that's the only way to go... and put the iso to 50... But it's pretty much up to the camera. Even if I have a tripod and use iso 50 on my canon A70, I will have more grain than I would have running with a nikon 70D and taking photos... |
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Jan 30th 2005 | #165268 Report |
Member since: Mar 24th 2001 Posts: 3734 |
Tripod was being used. I have other images where I focused on different areas of the monitor also: http://www.mattstanzel.com/images/monitorgrain2.jpg (Note the base of the monitor) And 80 is the lowest ISO the camera will do. |
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Jan 31st 2005 | #165277 Report |
Member since: Apr 20th 2002 Posts: 3000 |
All I can see is the JPEG artifacts from the compression, do you still see noise in the camera RAW?
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Jan 31st 2005 | #165317 Report |
Member since: Mar 24th 2001 Posts: 3734 |
Yeah, the noise is still in the RAW files. Here is a JPG saved at highest quality: http://www.mattstanzel.com/images/monitorgrain3.jpg |
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Feb 1st 2005 | #165347 Report |
Member since: May 1st 2002 Posts: 3034 |
maybe your lens is dirty and of course you have noise, its way uber too dark pimp up the lighting j00 foo.!
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Feb 4th 2005 | #165408 Report |
Member since: Mar 24th 2001 Posts: 3734 |
Too dark??!! I'm using 600W Tungsten bulbs. Hell, it don't much no brighter dan dat mang! Of course, in the ones I've posted, I did have the lighting set to soft, rather than tight on the subject, but I had to because of the reflective surface of the monitor. Maybe it is the camera: http://www.steves-digicams.com/2001_reviews/e20n_samples.html See the candies image, shows the same type of grain. And also here: http://www.dpreview.com/reviews/specs/Olympus/oly_e20.asp Click the "Sample Gallery" link to see sample images |
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Feb 4th 2005 | #165419 Report |
Member since: May 1st 2002 Posts: 3034 |
heh mattboy I downloaded one of your golf pictures before and didn't even know it was yours.!
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Feb 4th 2005 | #165423 Report |
Member since: Mar 24th 2001 Posts: 3734 |
Sweet, keep downloading them. I finally got some higher resolution ones last fall, but no "People golfing" shots until later this spring.
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