Tagged Questions
3
votes
4answers
243 views
Does micro 4/3 have an advantage in low light due to aperture equivilence?
Recent Micro Four/Thirds sensors seem to have improved their noise performance significantly.
I own a Canon 5D Mark 2 full frame DSLR and am considering purchasing an Olympus OM-D EM5 micro four ...
10
votes
8answers
890 views
Is it better to shoot with a higher ISO, or use lower ISO and raise the exposure in post-processing?
Suppose there are two photos taken in the following scenario:
Scenario 1 - Photo taken using ISO of 3200.
Scenario 2 - Photo taken using ISO of 100.
Both photos are taken in a medium light ...
1
vote
6answers
631 views
Is noise related to shutter speed as well as ISO?
I understand that as I increase ISO, I'll increase the amount of noise in the resulting image. With a constant aperture I can decrease ISO and slow the shutter speed (assume a non-moving subject, ...
17
votes
5answers
2k views
What is so special about ISO 1600?
I have heard many times that to minimize noise, the highest ISO you want to use is ISO 1600, and that no matter what camera or sensor you use, once you have passed this (ISO 1600) threshold, the noise ...
4
votes
1answer
210 views
How can a newer camera increase ISO while decreasing pixel size?
I am a bit confused as I am considering to upgrade my canon 350D to 600D. The pixel size has reduced from 6.4 microns to 4.3 microns, however, top ISO has increased from 1600 to 6400. How did that ...
4
votes
1answer
195 views
When is high ISO noise not noticeable?
I noticed that sometimes when taking pictures with my D5100, they come out with very little visible noise with ISO 800 and up, for example this picture. It was taken at ISO 1600 if I remember ...
2
votes
3answers
1k views
Noise Issue / Canon 5D Mark II
Just curious if anyone can help with this?
I am using a Canon 5D Mark II and it seams to be having noise issues at ISO 250 and up and especially at ISO 400? What is going on?
In low light when my ...
4
votes
4answers
351 views
How do I properly determine which camera is better in low light?
This question is motivated by the fact that I'm trying to decide between the the Canon 5D Mark III and the Nikon D800. I really would prefer the one that will perform better in low light.
As far as I ...
4
votes
4answers
501 views
Is higher ISO noise evenly distributed, or does it affect colors differently?
It's obvious that higher ISO affects the photograph by adding noise or grains.
But will that grain or noise be distributed equally over all parts of the photograph, or will it specifically affect ...
12
votes
8answers
3k views
Why aren't my night shots sharp even when I shot at ISO 100 on a tripod?
I recently purchased a tripod because I really want to do some night photography. I have tried practicing with street lamps, moon shots etc with my Canon 550D and 70-200 f/4L and most of them are shot ...
6
votes
4answers
834 views
Does noise in images depend upon “Megapixels” or “ISO”?
I have a question about image quality. Does noise in an image is depends upon "Megapixels" or on "ISO"?
74
votes
4answers
3k views
What is “ISO” on a digital camera?
What is "ISO" in general, and how is the scale defined?
How does the ISO scale for film speed differ from ISO sensitivity as used in digital cameras?
Is lower ISO always better?
19
votes
8answers
2k views
How can I reduce the noise present when taking pictures without lowering my ISO?
I know that high ISOs tend to produce more noise, and some cameras' software can handle that noise better than others, but are there any other settings or conditions tha affect visible noise?
I'm ...
