I have a 35mm 1.8 and a 18-200mm lens for my d3100. Can anyone give advise on what the best settings would be for each lens in low light? IE: photojournalism type dawn/dusk photography?
Also, are there any aftermarket guide books for the d3100?
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#1. "RE: Lowlight settings help" | In response to Reply # 0Floridian Nikonian since 11th Feb 2007Mon 29-Nov-10 06:47 PM
If you want to let the most light in you can, set the camera on aperture priority, and set the aperture as wide as you can. That's f1.8 on your 35. On the 18-200 it's a variable aperture and will be the widest at 18mm, where you can set it to f3.5. As you zoom in, the aperture will narrow to f5.6 at the long end. Your 35 is a better choice than your 18-200 for low-light photography.
If you need a faster shutter speed with the lens wide open, you'll need to raise the ISO, but the D3100 should get good results as high as 1600 or maybe 3200 ISO. I don't have one, so I'm not an authority here, but you can take some test shots at higher ISOs to see what's acceptable to you.
Depending on what your subject is, if it's not moving you can put the camera on a tripod and shoot longer exposures, so what I've said above applies to shooting hand-held, or with subjects that are moving.
Short answer. Use your 35, aperture priority, set at f1.8, and up the ISO to whatever you need to get a shutter speed that minimizes blurring.