Panasonic DMC LX5 replacement options with a better zoom

Started Feb 2, 2014 | Discussions thread
NetMage Senior Member • Posts: 2,910
Re: Panasonic DMC LX5 replacement options with a better zoom

It doesn't work that way - 10MP or 20MP is the area of pixels, cropping for a narrower angle of view (e.g. 100mm to 200mm) means you must divide by the square of the difference to convert to area.

So a 20MP Sony takes a 5MP 200mm equivalent image, on a much smaller sensor with corresponding worse noise by the same 4x factor. Now it doesn't look so good to crop drastically.

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