pascal_meheut Posted December 11, 2006 Share #1 Posted December 11, 2006 Advertisement (gone after registration) Did somebody tried this ? I've not read every thread and maybe I missed something. But I was wondering if someone checked if the new firmware fix the cyan cast in the corner when using an IR filter ? Also, did somebody tried to use a non-coded lens over 35mm with an IR filter and the lens detection activated ? According to M8 documentation, using lens detection with non-coded lenses can be problematic. Quote Link to post Share on other sites More sharing options...
Advertisement Posted December 11, 2006 Posted December 11, 2006 Hi pascal_meheut, Take a look here New firmware and IR filters ?. I'm sure you'll find what you were looking for!
marknorton Posted December 11, 2006 Share #2 Posted December 11, 2006 Pascal, I can't see it being problemmatic unless there's a screw hole in the mount which might be mis-interpreted. I tried my old Summilux 50 and the uncoded 90/4 on the camera and there was no sign of mis-interpretation. As for cyan correction, there is some when lens detection is activated but it's not enough to clear the cyan completely. Quote Link to post Share on other sites More sharing options...
pascal_meheut Posted December 11, 2006 Author Share #3 Posted December 11, 2006 As for cyan correction, there is some when lens detection is activated but it's not enough to clear the cyan completely. Any examples ? I sent my 28mm and 24mm to be coded the same time I sent the M8 back and I wonder what kind of results I can expect once I finally got a camera in marching order. Quote Link to post Share on other sites More sharing options...
hjernemadsen Posted December 11, 2006 Share #4 Posted December 11, 2006 I have tried a new "fixed" m8 vith firmvare 1.09 and the IR filter supplied from Leica (B+W F-Pro). This combination gives - with lens dectection acivated - cyan corners with the 28 mm summicron. With the 35 mm summilux there are no cyan corners the above results are obtained on a laptop mac (I am currently away from home, travelling) Hope it helps Peter Quote Link to post Share on other sites More sharing options...
pascal_meheut Posted December 11, 2006 Author Share #5 Posted December 11, 2006 Thanks. Maybe the cyan fix will be in the expected 1.10 version of the firmware. Quote Link to post Share on other sites More sharing options...
sean_reid Posted December 11, 2006 Share #6 Posted December 11, 2006 Thanks. Maybe the cyan fix will be in the expected 1.10 version of the firmware. Hi Pascal, I'm hoping it will be there in 1.10 (which we all should be able to download from the web) but I'm not certain. I will have test filters from Leica soon as well as a test camera with the hardware fix. Did you see the new stuff about results with a hand-coded CV 28/3.5 in the revised 28s article? Cheers, Sean Quote Link to post Share on other sites More sharing options...
pascal_meheut Posted December 11, 2006 Author Share #7 Posted December 11, 2006 Advertisement (gone after registration) No, I didn't know there was an update. But I'm having trouble accessing your site from my Mac. Both Firefox & Safari read the first image and that's all. It seems to work better from a PC so I'll read it as soon as I have one available. Quote Link to post Share on other sites More sharing options...
wparsonsgisnet Posted December 11, 2006 Share #8 Posted December 11, 2006 ... new stuff about results with a hand-coded CV 28/3.5 in the revised 28s article Sean, I've just read the additional material about the cyan edges and coding that you completed. I would like to make the following comments: 1. IR sensitiviy of the sensor -- As evidenced by the long shake-out period of the M8 in testing, there is not always a shift of blacks to magenta. Many users may not notice this in their images, as well. 2. Cyan shift -- Many users may not notice this in their images, as well. 3. Lens Coding -- I, too, dislike closed systems, and agree with you that Leica has been one of the most open of manufacturers throughout its history. Therefore I want to beat my usual dead horse -- cyan/vignetting correction in software. IR filers will be required; that's a given. However, coding of lenses is optional and costly, at more than $100 per lens. If the correction for cyan and vignetting is in software, we will save the cost of coding the lenses. This will enhance the openness of the M8 system. You heard it here. Regards, Quote Link to post Share on other sites More sharing options...
Guest guy_mancuso Posted December 11, 2006 Share #9 Posted December 11, 2006 Bill I agree on one and two and hopefully leica will work on if not already work on number three . I would hope that there is a menu option on this for non coded and other brand lenses. there is also another option that i hope comes to light and that is C1 coming out with vignetting/cyan control in the Raw processing but that does not help the jpeg shooters much. Quote Link to post Share on other sites More sharing options...
wparsonsgisnet Posted December 12, 2006 Share #10 Posted December 12, 2006 Bill I agree on one and two and hopefully leica will work on if not already work on number three . I would hope that there is a menu option on this for non coded and other brand lenses. there is also another option that i hope comes to light and that is C1 coming out with vignetting/cyan control in the Raw processing but that does not help the jpeg shooters much. Guy, good for C1. I was planning on buying the PRO version anyway. Hooray for the far-sighted. Quote Link to post Share on other sites More sharing options...
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