Panasonic G6 mini review from full frame user

Started Sep 7, 2013 | Discussions thread
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Sergey_Green Forum Pro • Posts: 10,101
I thought so also ..

Sean Nelson wrote:

Joachim Gerstl wrote:

Thank you. Maybe I'm stupid but why should I loose image quality when I use only part of the sensor?

Of course, "image quality" is a very vague and nebulous term. But in very general terms you loose "image quality" whenever you have to enlarge an image more than "usual", whether it's because you're starting from a smaller sensor, cropping, or displaying/printing the image at a large size. The "IQ" loss is due to factors such as reduced resolution (the bigger the pixels are reproduced, the less sharp the result), extra noise (you loose the noise averaging effects that occur when you show the picture at a small scale and noise in adjacent pixels is averaged out), etc.

I think the size of the image depends on number of pixels, and not the medium it was recorded on. Larger pixels for the same count (and on a larger frame) however is a different story, and is usually seen quite early in the images.

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- sergey

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