Samsung S20 ultra comparison

Started 6 months ago | Discussions thread
Lee Jay Forum Pro • Posts: 56,133
Re: My own comparison

RDM5546 wrote:

Lee Jay wrote:

These are cropped to match the FOV, and they were taken in a store so not a controlled test, but the processing on the Ultra's main camera seems terrible compared to the S20's telephoto camera with the same pixel size. The Ultra's telephoto is good.

Since the Ultra main and S20 telephoto have the same pixel size but the Ultra's main camera has more focal length (7mm vs 5.9mm) and aperture (3.9mm vs 2.9mm), it should out-resolve the S20's telephoto. But it doesn't. The 19mm telephoto on the Ultra is substantially better than the 5.9mm telephoto on the S20 when ultimate resolving power is desired.

The F-number of a lens is the ratio of its focal length divided by the diameter of the aperture.

Yes...that's how I calculated the aperture.

Smaller F numbers than three commonly are more difficult to build with good quality than large F.

We're talking about f/1.8 vs f/2. Not enough difference to matter.

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Lee Jay

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