The other day I had my 50mm on the camera (Nikon D90) and I was just playing around adjusting different things to see what outcomes I would get. When I finished up, the ISO was up to 2000. The next day I was taking photos of my boys, niece and nephews and I forgot to change the ISO until after quite a few photos had been taken. Anyway, I noticed after uploading the photos that the ones with the super high ISO weren't nearly as grainy as when I have a high ISO on my kit lens (18-105mm). I find on the 18-105, if I go higher than 800, the photos look really grainy and bad.
My question is, does the lens really make that much of a difference? I was really amazed at how nice the photos looked even though I was at ISO 2000.
Interesting... I'm curious now, too. I don't know about lens difference, but I do notice more noise at high ISO when I'm taking pictures of subjects with more dark-colored areas. It's not as noticeable in pictures of lighter-colored things.
Sean Thomas - 6/30/09 @ 7:17pm 8lb 8oz, 19", 40w5d
Calvin Michael - 2/28/11 @ 7:39pm 6lb 8oz, 18", 37w5d
Nolan Matthew - 5/1/13 @ 11:54pm 6lb 4oz, 19", 38w4d
May 26, 2010 - 7w1d
I would guess that it wasn't the lens, but how the photo was exposed. If you even slightly underexpose a photo with a higher ISO you will have more noise. Where as, if you properly expose or even slightly overexpose a photo, the noise is significantly less. The key is always proper exposure.
I have taken pictures at 3200 ISO on my 50D and had little to no noise at all.
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Rylee Elizabeth & Tyler Ray
I think the lens CAN make a difference though. I can take a pic w/ my telephoto lens at 50mm and then with my 50mm prime and get a noticable difference. I think this is where the true definition of bokeh comes in to play. Recall that bokeh is the QUALITY of the blurry parts of your photo. When I use my telephoto lens I will notice a definite drop in the quality of my bokeh - it often looks pixellated and that might come across as noise.
So ... in the end ... I think that the lens CAN make a difference as well as the conditions for which you are exposing.
I just have a P&S so probably shouldn't even talk about the noise thing, but for my camera, no matter how well-exposed a shot is, anything above ISO 800 is simply unuseable. ISO 400 has to be run through noiseware. I guess the lens on my P&S isn't that great, and exposure of the shot doesn't make a difference. Probably underexposed shots are worse, but the problem exists regardless.
Married Anthony April 2, 2005
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That is interesting. I'm constantly forgetting to check my ISO before beginning a shoot. I need some kind of stickie on my camera to remember!
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