Another bad K-3, what is with this.

Started Jan 24, 2014 | Discussions thread
rwl408 Senior Member • Posts: 1,643
Re: Another bad K-3, what is with this.

The performance one can get from a car depends on the driver. Here we are talk about a photographer who complains bad focus from a higher MP camera. Technique does matter, all else being equal. With the same lens, a 24 MP camera requires better camera holding discipline to get the same level of focus result from a 16 MP one. Here is a simple math. A 16 MP chip's pixel is 4.9 microns in size whereas a 24 MP chip's pixel is 4.0 microns. (Just divide the chip area by the MP count and take a square root of the result.) Let's assume the lens can resolve 4 microns in size and one's camera holding technique always causes 1 micron movement when taking a shot regardless of the camera used. On the 24 MP camera it has 25% (1 / 4) of blur pixels but on the 16 MP it is down to 20% (1 / 4.9). So one can't just blame the camera alone.

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