EX zoom, i.zoom and digital zoom

Started 2 months ago | Discussions thread
Jon_T Veteran Member • Posts: 4,347
Re: EX zoom, i.zoom and digital zoom

Dak on cam wrote:

dbelling wrote:

I realize that this topic has been raised before, but I found this Graham Houghton video on the subject to be of interest:


If I understand him correctly, he is saying that i.zoom is superior to EX zoom and that both are better than regular digital zoom (which is probably right). But it surprised me that he believes that i.zoom is superior to EX zoom. I would have thought it would be the other way around. There is also this post from evetsf:


I have to admit that it is hard for me to tell the difference in quality between the test shots. Opinions would be very welcome. Thanks.

Regards, Dave

The camera's lower-resolution modes are scaling full-size sensor data down. EX zoom scales sensor data down from a crop....

EX Zoom does not "... scales sensor data down ...".

Just a simple 10MP or 5MP central crop of the sensor's area.

.. i.Zoom is worse at the pixel level than EX zoom but has more pixels ...

True when using i.Zoom with full 20MP; you can use i.Zoom with the 10MP and 5MP EX.

... I'd not call i.Zoom superior to EX zoom but you'll find people swearing by it, ...

The main advantage of i.Zoom if for users that do NOT want to spend the time PP images.

i.Zoom provides a simple OOC solution just as in-camera Pano vs. taking multiple shots and stitching together into a pano.

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