Ricoh Caplio GX (5MP 1/1.8" 28-85): the digital epic/GR1 ?

Started May 7, 2004 | Discussions thread
Olivier GALLEN
OP Olivier GALLEN Contributing Member • Posts: 528
Other issues: lines at high ISO & hot pixels

Olivier GALLEN wrote:

And some sites with samples:
http://photo.www.infoseek.co.jp/AlbumTopSet.asp?key=974476&un=111874&m=2

In those samples, you will notice that the GX shows red and blue horizontal thin lines in the pictures at high ISO. Here is a 100% crop of a 5MP at 800 ISO:
http://olivier.gallen.mageos.com/GX%20-%20Lines (800ISO).jpg

They are still slightly visible at 400 ISO, noticeable at 800ISO and strong at 1600 ISO.

It probably depends on the camera, as I don't see them in samples at 800 ISO from another person, and very slightly only at 1600 ISO from a third one... => I don't know what to think about this...

There are also some hot pixels for longer exposure. It seems to be normal, but I would expect the Noise Reduction system to take care of those. Here is an example (64 ISO - 8 seconds):

And last, thanks to wolfie, here is a small review (in Japanese) of the Ricoh GX:
http://pcweb.mycom.co.jp/news/2004/05/06/016.html
(more images of the camera + several samples)

Olivier

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