carstenw Posted December 16, 2006 Share #21 Posted December 16, 2006 Advertisement (gone after registration) Good point, Rex, about changing the values later. Link to post Share on other sites More sharing options...
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rvaubel Posted December 16, 2006 Share #22 Posted December 16, 2006 Good point, Rex, about changing the values later. Being able to change coding at will, has an added benefit. For us perpetual tinkerers, we can "improve" on the factory model. This opens the infinite possibilities of arguing incessently about the "proper" coding of a non-leica lens. Think of the fun! Rex Link to post Share on other sites More sharing options...
carstenw Posted December 17, 2006 Share #23 Posted December 17, 2006 Hehe. But I do disagree: we can't improve on the factory model. We can only switch between factory models. Link to post Share on other sites More sharing options...
sean_reid Posted December 17, 2006 Share #24 Posted December 17, 2006 Sean You have noted that the VC 28/1.9 if self-coded as a Leica 21/2.0 might overcorrect the cyan shading. If that is true, why can't the enterprising photographer simply code the non-leica lens with whatever leica lens has the appropriate amount of cyan correction? I know it has something to do with the frameline selector but I don't get it. I assume when self-coding screw mount adapters that "fooling" the camera is 100% successful. Rex Hi Rex, The 28 Ultron does better coded as a 28 Elmarit Asph. (see the newest revision of the 28s article). In a white wall test, it's still slightly over-corrected in the corners at smaller apertures (because it vignettes less than either of the two Leica lenses) but for many real-world pictures, it isn't very noticeable. In order to trigger lens corrections, the camera relies on both the frame line selector and the code. Both have got to be right. Cheers, Sean Link to post Share on other sites More sharing options...
rvaubel Posted December 17, 2006 Share #25 Posted December 17, 2006 Hi Rex, In order to trigger lens corrections, the camera relies on both the frame line selector and the code. Both have got to be right. Cheers, Sean Hmmmm. What would happen if I coded a 24mm adapter with a 35mm/2.0 code? What would the camera think? Does this mean that there are 3 times as many codes possible thru the 6bit arithmetic? Rex arf Link to post Share on other sites More sharing options...
sean_reid Posted December 17, 2006 Share #26 Posted December 17, 2006 Hmmmm. What would happen if I coded a 24mm adapter with a 35mm/2.0 code? What would the camera think? Does this mean that there are 3 times as many codes possible thru the 6bit arithmetic? Rex arf You could code a 24 to trigger a 35 code but then the cyan drift correction would be wong. Cheers, Sean Link to post Share on other sites More sharing options...
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