Tom. Posted September 22, 2016 Share #1 Posted September 22, 2016 Advertisement (gone after registration) Some of my photos (luckily very very few) are blurred, the whole image. Those things can happen, but I've seen it at some photos with higher shutter speed which should be sharp. For example this one, taken at ISO 100, f/2.2 and 1/160 sec. Enough daylight and I'm standing still (more or less). Also no fast moving things. So I can't explain why it's blurred... Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! (The photo sucks, even if it was sharp.. just an example ) Image Stabilization is turned on. But I've read somewhere that Leica advises to turn it off if it isn't necessary. Not really sure about that and don't remember where I read it. Is it better to turn it off? Does someone recognise this? Quote Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! (The photo sucks, even if it was sharp.. just an example ) Image Stabilization is turned on. But I've read somewhere that Leica advises to turn it off if it isn't necessary. Not really sure about that and don't remember where I read it. Is it better to turn it off? Does someone recognise this? ' data-webShareUrl='https://www.l-camera-forum.com/topic/264829-occasionally-blurred-photos-at-high-shutter-speeds/?do=findComment&comment=3117069'>More sharing options...
Advertisement Posted September 22, 2016 Posted September 22, 2016 Hi Tom., Take a look here Occasionally blurred photos at high shutter speeds?. I'm sure you'll find what you were looking for!
Tom. Posted September 22, 2016 Author Share #2 Posted September 22, 2016 This is a crop but the whole image has this 'effect', it's a bit less than in the first post. Settings: ISO 100, f/5.6, 1/200 sec. Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! How it should be (next photo, same settings): Quote Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! How it should be (next photo, same settings): ' data-webShareUrl='https://www.l-camera-forum.com/topic/264829-occasionally-blurred-photos-at-high-shutter-speeds/?do=findComment&comment=3117079'>More sharing options...
Tom. Posted September 22, 2016 Author Share #3 Posted September 22, 2016 Last example. ISO 100, f/4.0, 1/160 sec. Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Quote Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/264829-occasionally-blurred-photos-at-high-shutter-speeds/?do=findComment&comment=3117080'>More sharing options...
Leica Guy Posted September 22, 2016 Share #4 Posted September 22, 2016 Is it taking the photo before the focus is locked? That what it looks like to me. I tried taking a few photos in rapid succession, and could not make mine repeat your out of focus symptom. I'd check that your in single point focus. I'd double verify that you're not in manual focus and that the manual focus locking mechanism is in the AF position. Not sure. I'll noodle on it some. If I think of anything else, I'll add to this reply. Good luck. Quote Link to post Share on other sites More sharing options...
marchyman Posted September 23, 2016 Share #5 Posted September 23, 2016 Image Stabilization is turned on. But I've read somewhere that Leica advises to turn it off if it isn't necessary. Not really sure about that and don't remember where I read it. Is it better to turn it off? Yes, turn image stabilization off. See this thread -- http://www.l-camera-forum.com/topic/247770-leica-q-ois-on-or-off/ -- for some reasons why. Quote Link to post Share on other sites More sharing options...
Voxen Posted September 23, 2016 Share #6 Posted September 23, 2016 It is because you pressed the shutter before the image stabilisation process ended, this is the typical behaviour of IS. When you use IS, half press the shutter to focus but keep it pressed for at least a second until the optical moving element stops vibrating. Or better, turn IS off when it is not needed. BTW I never used IS on my Q, there are very few situations where a 28mm lens wide open requires stabilisation. Quote Link to post Share on other sites More sharing options...
Tom. Posted September 23, 2016 Author Share #7 Posted September 23, 2016 (edited) Advertisement (gone after registration) Thanks for your replies. Glad this is 'normal' behaviour and my Q isn't broken. I already suspected it has something to do with the IS. It's also my first camera/lens with IS. I'm a bit disappointed that the IS function isn't very smart. At 28mm and 1/200 sec. theres no need for IS. But I never knew in those situations it could work against you. It would be better if IS has an 'auto' option which enables it at 1/60 sec. and slower and turn it off if there's a chance that the effect of my images above appear. Guess I'll turn it off and only switch on for those very few occasions that would be useful. Lesson learned... Edited September 23, 2016 by Tom. Quote Link to post Share on other sites More sharing options...
jaapv Posted September 23, 2016 Share #8 Posted September 23, 2016 Actually all cameras using optical IS exhibit this problem. Pictures get blurred as long as the lens element is shifting. Don't use IS on a tripod either! Quote Link to post Share on other sites More sharing options...
Tom. Posted September 23, 2016 Author Share #9 Posted September 23, 2016 I don't have experience with IS so far. At the time I owned Canon-camera's I've always bought the non-IS versions of lenses. Didn't think IS was worth it, back then. I was correct But it's good to know. Hopefully this topic is also useful for other people. An automatic IS depending the shutter speed (as suggested in my previous post) could also be hard to implement if activation and de-activation is kinda slowly. Like holding your camera to the (dark) ground (enabling IS) and then take a picture up front (disabling IS). Another question: recording movies out of your hand will always benefit of IS, isn't it? Quote Link to post Share on other sites More sharing options...
jaapv Posted September 23, 2016 Share #10 Posted September 23, 2016 Basically yes, it will stabilize the image, and the occasional blurring of one or two frames will not be noticed. Quote Link to post Share on other sites More sharing options...
Iduna Posted September 23, 2016 Share #11 Posted September 23, 2016 yes, give the AF a second and then shoot. Take into account that a shallow DOF may cause a problem too if the object is far off. I recommend to use f-stop 5.6 or 8 and prefer a higher ISO. No problems with high ISO noise. On a tripod it is advisable to switch stabilisation. But I have not noticed any losses in IQ if you forget to switch it off when your exposure time is not too long. Quote Link to post Share on other sites More sharing options...
benpisati Posted September 30, 2016 Share #12 Posted September 30, 2016 After 30,000 shots I can say that sometimes the images are moved, this also happens also among a sequence of shots, I work in auto ISO with minimum time 1/125. It always happens at 1/125 with is enabled. Quote Link to post Share on other sites More sharing options...
benpisati Posted October 4, 2016 Share #13 Posted October 4, 2016 (edited) I can definitely confirm that with OIS activated photographs are not sharp, there is a slight blur, the same situation with OIS disabled photos are perfect. For example, I often shot wedding pictures, in the church my setting is auto-iso and 1/125 safety speed. the photos are inexplicably blur, often when I moved slow the camere following the subjet. In fact the problem there is paradoxically when I'm not still with my hands. I'm sure much better without IOS. Very frustrating because I do not know if it's my problem, or is common to all leica q Edited October 4, 2016 by benpisati Quote Link to post Share on other sites More sharing options...
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