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RSS FeedsChoosing a camera Part 2: is a bigger sensor better?
(Digital Photography Review)

 
 

17 april 2019 15:09:40

 
Choosing a camera Part 2: is a bigger sensor better?
(Digital Photography Review)
 


When looking at pixel size, we saw that there`s little difference between having a few large pixels and having lots of small ones, once you consider the whole image. This is because sensors have the opportunity to capture the same amount of light per-whole-image, regardless of how many pixels they have. However, when looking for a new camera, there often is a way of getting more light and therefore better image quality: a larger sensor. This is because, at the same exposure settings, a large sensor is given the same amount of light per unit area, but has a greater sensor area capturing this light. Key takeaways: Two cameras with the same exposure receive the same light per square mm, and larger sensors have more square mm. Every object in your scene will be projected onto more square mm of sensor if those two hypothetical cameras have the same field of view. This means every object is described with more photons of light, which gives the potential for a cleaner image. Differences in sensor performance mean one camera may over- or under-perform expectations but these differences are usually smaller than the differences made by changing formats. The effect of sensor size: In this instance we`re comparing the Nikon D810 and the Nikon D7000, which have the same sized pixels but different sized sensors. The D810 has a full-frame sensor that`s around 2.3x larger than the APS-C chip in the D7000. ISO 1600 D810 whole frame [Raw File] D7000 [Raw File] D810 (resized: 16MP) [Raw File] ISO 3200 D810 whole frame [Raw File] D7000 [Raw File] D810 (resized: 16MP) [Raw File] ISO 6400 D810 whole frame [Raw File] D7000 [Raw File] D810 (resized: 16MP) [Raw File] ISO 12800 D810 whole frame [Raw File] D7000 [Raw File] D810 (resized: 16MP) [Raw File] As you might expect, the two cameras look similarly noisy at the pixel level because they received the same amount of light per square ...


 
6 viewsCategory: Culture > Photography
 
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