All About Symbian - Nokia (S60) and Sony Ericsson (UIQ) smartphones unwrapped

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Old 19-02-2007, 03:37 PM
stephen.tickell stephen.tickell is offline
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n73 camera shake/blurring

N73 on O2 UK, v2.0628.0.0.1

Bought this about 3 weeks ago partly for its camera quality ratings. I can live with with slightly excessive jpeg compression, however most of my shots so far have been blurred. Looks like camera shake/motion blur, and it seems to me that the shutter speeds as recorded in the jpeg are pretty slow. A few pics taken in full sun are perfectly sharp, therefore it's probably not a lens fault. I don't see a lot of posts about this, and most of the n73 sample photos that I found on various sites look ok. So I would like to establish if there's a fault with my phone, or something to do with the firmware rev - or if I'm just not using it properly.

The attached picture shows the blurring and has a shutter speed of 1/77 at f2.8, iso100 (taken with 'auto' settings). I should probably try to do a direct comparison with my Olympus on the same scene, but anyway I checked a few of the jpegs from that camera and it rarely shows longer than 1/320 at f4.8, in similar lighting conditions

Has anyone else had this problem, and do the later firmware versions (not available on O2) make any difference ? I would imagine not if it's just the small image sensor needing a longer time to catch enough light. Also it's bound to be harder to hold a phone perfectly still compared to a larger camera. But I would like to know how others are able to get good shots in apparently similar conditions, particularly some of the 'n73 v k800' shootout comparisons. Where the original camera settings properties are visible they generally have similar shutter speeds to my pictures. Using 'sports' mode does reduce blur but at the expense of increased noise and shouldn't be necessary for a static subject. Thanks for any suggestions !
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  #2  
Old 20-02-2007, 11:06 AM
kidsilver kidsilver is offline
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Adjusted in Photoshop

Hi, I have found that to get the best out of the N73 images you need to do some basic adjustment in Photoshop. The image you took would be a difficult one for any camera to get right because of the great expanse of white in the shot...it did what most point and shoot cameras do which is to average the scene out to a greyish hue. I have tried to sharpen the image slightly using the high pass filter and soft light blending...I think it looks not too bad
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Old 20-02-2007, 04:23 PM
stephen.tickell stephen.tickell is offline
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Thanks for the tips on improving the contrast and sharpness. Apparently the newest version of Photoshop (which I don't have) even includes a filter specifically for reducing motion blur. I don't mind tweaking pictures a bit, however I'm still puzzled why mine have so much motion blur to start with. - they look ok on the phone screen, but viewed full-size on a PC it's very obvious. Using self-timer and placing the n73 on a firm surface I can get perfectly sharp pics, so maybe that's how the reviewers did it, although it's not very practical in most situations

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Old 21-02-2007, 04:19 PM
clonmult clonmult is offline
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I've rarely had problems with my N73, especially in regular daylight shots.

The attachment was taken on the train a few weeks back on the way into waterloo. Have to admit it could quite get the colour balance right, so I switched to B&W.
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