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Preferred ISO
Jan 21, 2012 16:56:29 #
Since I got my D7000 about a year ago I've used a wide range of ISOs, but only recently took some indoor photos with a flash set at ISO 100. When set at 800, of course, the exposure time was much quicker. What gives the best results? Is 800 still within a reasonable range in order to use fast speeds? What happens at 1600?
Jan 21, 2012 17:00:32 #
May I suggest that you set-up a small indoor scene, set-up a tripod-mounted camera, the photograph scene on aperture priority, varying only the ISO between sequential photos. You can shoot available light as well as flash exposure.
We would be interested in seeing comparisons of ISO 100, ISO 800, ISO 1600, etc.
We would be interested in seeing comparisons of ISO 100, ISO 800, ISO 1600, etc.
Jan 21, 2012 17:02:20 #
Wendycmt
Loc: Alaska
The higher the ISO the faster shutter speed is available but there is more noise or grain (film) in the print or image. You only want to use the faster ISO when you are unable to make adjustments in shutter speed or f-stop i.e. the larger the f-stop (smaller number) the faster shutter speed you will be able to use. I have lots of fun playing with ISO, shot a photo hand held in a poorly lit lava tube ISO 3200 at 1/10 sec just to see what the camera can do (D90). So experement around shoot at different ISO with different setting to see what kind of results you get. Good Luck
Jan 21, 2012 17:09:31 #
Nikonian72 wrote:
May I suggest that you set-up a small indoor scene, set-up a tripod-mounted camera, the photograph scene on aperture priority, varying only the ISO between sequential photos. You can shoot available light as well as flash exposure.
We would be interested in seeing comparisons of ISO 100, ISO 800, ISO 1600, etc.
We would be interested in seeing comparisons of ISO 100, ISO 800, ISO 1600, etc.
I'll try that. I guess I was just trying to get some feedback on when noise starts to kick in and when it absolutely interferes with the picture. I'm interested in this on outdoor pictures as well, especially when I'm shooting at 300mm and need to shoot faster than the length of my lens.
Jan 21, 2012 17:13:07 #
Your D7000 also offers High Speed Synch, and that can be fun to experiment with too. The manual details how to do it.
Jan 21, 2012 17:41:07 #
MT Shooter wrote:
Your D7000 also offers High Speed Synch, and that can be fun to experiment with too. The manual details how to do it.
That's one of those things I haven't gotten to yet. Need to do it. I need a new flash, but that comes after PS Elements and a couple of Nikon courses. Maybe they'll touch on that in the second course.
Jan 21, 2012 17:51:08 #
SteveR wrote:
I'll try that. I guess I was just trying to get some feedback on when noise starts to kick in and when it absolutely interferes with the picture. I'm interested in this on outdoor pictures as well, especially when I'm shooting at 300mm and need to shoot faster than the length of my lens.
Good point on long lens protocol.
One of your advantages is the Sony sensors used in Nikon cameras. Typical to Sony, the D7000 sensor has smaller receptors than used by other camera manufacturers. Sony can the space the individual receptors farther apart, which lessens noise due to "cross-fire" (similar to electrical shorting) between sensors. When you crank-up your ISO, you make each receptor more sensitive to light (and more sensitive to cross-fire).
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Jan 21, 2012 17:52:02 #
SteveR wrote:
That's one of those things I haven't gotten to yet. Need to do it. I need a new flash, but that comes after PS Elements and a couple of Nikon courses. Maybe they'll touch on that in the second course.
MT Shooter wrote:
Your D7000 also offers High Speed Synch, and that can be fun to experiment with too. The manual details how to do it.
That's one of those things I haven't gotten to yet. Need to do it. I need a new flash, but that comes after PS Elements and a couple of Nikon courses. Maybe they'll touch on that in the second course.
It does take an off camera flash, but at least it works with old flash units rather than just CLS compatible units. I haven't played with it much either, but you can get some interesting results.
Jan 23, 2012 10:46:03 #
Great answer by Nikonian
Results using High ISO will vary in Noise and contrast.
Try to take the same pic inside while changing the ISO setting and compare results.
Now do the same series of tests outside with the sun coming at you, then on the side, then behind you and see how your camera reacts as far as the colors and the contrast.
Your D7000 should be doing well from 100 to 1600. Higher ISO will require blowing up on the screen and check out the noise to see if the pic is still acceptable.
I have had very decent results at 3200 and 6400 ( using a tripod ) with my camera ( not a D7000)
Results using High ISO will vary in Noise and contrast.
Try to take the same pic inside while changing the ISO setting and compare results.
Now do the same series of tests outside with the sun coming at you, then on the side, then behind you and see how your camera reacts as far as the colors and the contrast.
Your D7000 should be doing well from 100 to 1600. Higher ISO will require blowing up on the screen and check out the noise to see if the pic is still acceptable.
I have had very decent results at 3200 and 6400 ( using a tripod ) with my camera ( not a D7000)
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