girphoto Posted August 1, 2007 Share #1 Posted August 1, 2007 Advertisement (gone after registration) Hello All After talking with Guy this A.M. he suggested that I post some of the images, so here is the problem. I was on assignment Monday and had updated the rel. in my M8 to 1.107, Images that I shot out side in daylight had no problem. They were shot at ISO 160 & 320 with WB set to Coudy (See image 1). When I went inside I changed the ISO to ISO 640 & 1250 (Image 2-4), I found that the jpg. had lines going accross the mddle of the image. Images 5 was shot at 2500 and showed no lines at all. I was using a CV15mm with filter and JM shade. I have not yet had a chace to look at the raw images (just changed to a new computer) and had to shoot jpg. due to dead-lines on the assignment The images that I have posted are out of the camera Pre-Processing. At first I thought it might be from blinds on the windows, but I also shot the same images with a 5D and had no problems at all. I will also say that I have shot images of this type before going to 1.107 and have NOT had the problem. Q- Has anyone else had the same problem? Thanks Gary http://www.girphotos.com Quote Link to post Share on other sites More sharing options...
Advertisement Posted August 1, 2007 Posted August 1, 2007 Hi girphoto, Take a look here Lines On Image With 1.107. I'm sure you'll find what you were looking for!
Guest tummydoc Posted August 1, 2007 Share #2 Posted August 1, 2007 Hello AllAt first I thought it might be from blinds on the windows, I had the same thought, that it was ghost images from your IR filter, because shot #4 you are pointing at the backlit window whilst in #5 you've moved to where it's sidelit. However shot #3 has no blinds but has banding and and shot #2, without banding, is from the same angle. but I also shot the same images with a 5D and had no problems at all. That's hardly surprising, sadly. Quote Link to post Share on other sites More sharing options...
luigi bertolotti Posted August 1, 2007 Share #3 Posted August 1, 2007 ... too many lines for thinking of a sensor issue... do not pretend to be an expert, but I suspect somehing related to jpeg conversion... they are visible in adiacent areas of similar luminosity... the jpg processing surely "manages" in some way this areas, that are obviously "fit for compression"... I'd suggest you try asap similar shots in DNG and JPG and see the results; I have not red the HUGE threads on new firmware, so don't know if something about jpg has been posted: take a look... they are threads with hundreds of posts... Another option: the filter... when shooting agains strong lights (and yours are so) ghost reflections can take on... Quote Link to post Share on other sites More sharing options...
farnz Posted August 1, 2007 Share #4 Posted August 1, 2007 ... I have not red the HUGE threads on new firmware, so don't know if something about jpg has been posted... I've read it all but I don't recall this issue being raised by anyone else. I notice that the lines in the 3rd image appear magenta so could they perhaps be a reflection from the inside of the UV/IR filter? Pete. Quote Link to post Share on other sites More sharing options...
Guest guy_mancuso Posted August 1, 2007 Share #5 Posted August 1, 2007 At first as Gary described it i thought for sure it was the green banding but this is not it. I would get leica involved here in NJ. Call Robert Fisk in repair. maybe send some of these images Gary or point him here Quote Link to post Share on other sites More sharing options...
jquimby Posted August 1, 2007 Share #6 Posted August 1, 2007 First this is not meant in any way to be derogatory or viewed as non-constructive criticism. I am only looking at the images same as anyone else, and I don't know the photog that shot them. That said, could it be that the camera is just fine and these pics were just exposed improperly? In the original posting it said that the ISO was raised to 640 and 1250 for the indoor shots. Look out the windows in one of them it looks like Dante's Inferno out there. When you blow out the exposure that much after telling the sensor to up the juice (raising the ISO) of course that is going to happen. The banding is common on ccd based senors when you over expose by this much. So much so that there is a term for it, it's called blooming. Try dialing down the ISO or at least not not have so much light pouring into the lens and I bet the blooming goes away. It wasn't mentioned in the original post if the camera was picking the shutter speed. That could be another contributing factor. Leica's metering is very heavily weighted in the center. Thus with all of the light pouring in from the sides the meter is determining shutter speed based upon whats in the center of the lens. In fact looking over the pictures both picture 2 and 5 shows no blooming probably because the bright light is close enough to the the center of the frame and thus the metering has taken that into account. The ones that show blooming have something considerably darker (the guys black pants) in the center of the frame and the light coming in from the outer side of the frame so the camera is probably exposing for the pants. It would be interesting to hear how the Canon 5D was set up, since it showed no ill effects. What was the metering mode and was it set to Av, Tv, P or M? My guess is that the Canon was able to evaluate a larger area and thus get a better exposure value. Just a thought, you mileage may vary -joe Quote Link to post Share on other sites More sharing options...
Jack_Flesher Posted August 2, 2007 Share #7 Posted August 2, 2007 Advertisement (gone after registration) It sure looks like a reflection off the IR filter to me... Also fits with the 5D since you aren't using the very reflective IR filter on it. Quote Link to post Share on other sites More sharing options...
cmogi10 Posted August 2, 2007 Share #8 Posted August 2, 2007 At first as Gary described it i thought for sure it was the green banding but this is not it. I would get leica involved here in NJ. Call Robert Fisk in repair. maybe send some of these images Gary or point him here Green Banding? I have not read through the firmware thread but only since then have I noticed some nice green blobs on my pictures. Are other people having this problem? Quote Link to post Share on other sites More sharing options...
barjohn Posted August 2, 2007 Share #9 Posted August 2, 2007 First, the colors seem way off with greens that are over saturated and off in color. The entire image has a green cast (More like chartreuse). The exposure appears to be off too. I haven't seen anything like this with my M8. Was this shot in DNG and processed in??? Was it shot in JPG? What was WB setting? Filter/no filter? Sorry, I don't have more to offer in suggestions. Quote Link to post Share on other sites More sharing options...
M6J Posted August 2, 2007 Share #10 Posted August 2, 2007 First, the colors seem way off with greens that are over saturated and off in color. The entire image has a green cast (More like chartreuse). The exposure appears to be off too. I haven't seen anything like this with my M8. Was this shot in DNG and processed in??? Was it shot in JPG? What was WB setting? Filter/no filter? Sorry, I don't have more to offer in suggestions. I agree, everything is yellowish in the center going to green outwards. Serious vignetting too. Quote Link to post Share on other sites More sharing options...
Melampus Posted August 2, 2007 Share #11 Posted August 2, 2007 First, the colors seem way off with greens that are over saturated and off in color. The entire image has a green cast (More like chartreuse). The exposure appears to be off too. I haven't seen anything like this with my M8. Was this shot in DNG and processed in??? Was it shot in JPG? What was WB setting? Filter/no filter? Sorry, I don't have more to offer in suggestions. Well - the OP said clearly they were shot in jpg with JM lens shade and filter (IR/UV I assume?). However, I agree with others, they are seriously over-exposed and the stripes look like filter reflections. Nothing I've ever seen. Cheers, -Peter Quote Link to post Share on other sites More sharing options...
russell Posted August 2, 2007 Share #12 Posted August 2, 2007 I get banding at high ISOs but not that bad. Funny thing is the internval between bands looks close to what I get. Mine look more blue and I get them with or without filter. Quote Link to post Share on other sites More sharing options...
ho_co Posted August 2, 2007 Share #13 Posted August 2, 2007 Green Banding? I have not read through the firmware thread but only since then have I noticed some nice green blobs on my pictures. Are other people having this problem? Carl-- What the forum refers to as 'green blobs' were taken care of by the M8 recall. Is your camera by any chance an early one that did not make the trip to Solms for hardware update? You might want to post some pictures as Gary has done, just to be sure we're on the same page. The answer to your specific question is, no, no one in the firmware thread is complaining of green blobs. Sounds like something that needs to be evaluated. --HC Quote Link to post Share on other sites More sharing options...
cmogi10 Posted August 2, 2007 Share #14 Posted August 2, 2007 Hmm I have had the camera for a little over a month I think? It was one of the newer ones. I never noticed a green blob until last night unfortunatly I deleted the pictures. If it turns up again I will post it, this is making me nervous. I don't want to be cameraless for half a year, not after paying what I did for it. Quote Link to post Share on other sites More sharing options...
girphoto Posted August 2, 2007 Author Share #15 Posted August 2, 2007 Thanks to all that responded, As I said in my OP, The images were shot DNG+JPG and I have not had a chance to work the DNG files (will try to get to it this AM). For thoes who suggested turning down the ISO , I did that also, amd had the same results. I set the ISO to the higher limits due to all of the Threads indicating that the usage of 1250 and 2500 is now new and improved and ready t o go. (?) Just to add another piece of information, my M8 is one of the original cameras to come into the US (last November) and it has not gone back go Germany for any hardware updates.Maybe it is time, but until 1.107 I have not had this problem. I have been running on the iea of "IF IT AIN'T BROKE, THAN DON'T FIX IT" Well it miht be time, but after using it on a daily basis, I just hate to send it away to the doctor. (I guess that comes from livig in Florida and never knowing what is going to happen to you when you go to the doctor). When I have some of the DNG files ready, I will post them. Thanks Again Gary http://www.girphotos.com Quote Link to post Share on other sites More sharing options...
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