Bobby Posted December 4, 2016 Share #1 Posted December 4, 2016 Advertisement (gone after registration) I know this is not specific about the M system. When focusing and recomposing, do you guys have suggestions about compensating for moving the camera (perhaps based on distance to subject, aperture and focal length)? Link to post Share on other sites More sharing options...
Advertisement Posted December 4, 2016 Posted December 4, 2016 Hi Bobby, Take a look here Focus and recompose compensation. I'm sure you'll find what you were looking for!
dpitt Posted December 4, 2016 Share #2 Posted December 4, 2016 Most of the time it is just a matter of turning your head and not moving it forward or backwards between focus and recompose. Link to post Share on other sites More sharing options...
ECohen Posted December 4, 2016 Share #3 Posted December 4, 2016 Small movements ...don't move your feet. I would suspect it becomes more of a conscious issue when using f/.95 or 1.4 For general photography ....just think about what your trying to acomplish It becomes second nature Link to post Share on other sites More sharing options...
edwardkaraa Posted December 5, 2016 Share #4 Posted December 5, 2016 With a theoretically perfectly planar lens, focus/recompose induces a bit of back focusing. In the real life good luck in finding such planar lens. Field curvature in Leica and other lenses, especially complex ones, is quite wavy, so there is no point in trying to predict where the focus plane is. Just shoot normally and hope for the best. You will be on target more often than not. Link to post Share on other sites More sharing options...
ECohen Posted December 5, 2016 Share #5 Posted December 5, 2016 With a theoretically perfectly planar lens, focus/recompose induces a bit of back focusing. In the real life good luck in finding such planar lens. Field curvature in Leica and other lenses, especially complex ones, is quite wavy, so there is no point in trying to predict where the focus plane is. Just shoot normally and hope for the best. You will be on target more often than not. This is why I love this forum I completely agree with you Edward........."Just shoot normally and hope for the best." Link to post Share on other sites More sharing options...
zlatkob Posted December 5, 2016 Share #6 Posted December 5, 2016 It's going to depend on the lens and the shooting distance. Why not run a test at a typical shooting distance? Compare shots where you've moved back a bit after focusing to those where you have recomposed without moving back. If one is usually better, then you have your answer. A lens may have enough field curvature that moving back is not needed. If neither method is reliable, just stop down the aperture when possible. Link to post Share on other sites More sharing options...
graphlex Posted December 5, 2016 Share #7 Posted December 5, 2016 Advertisement (gone after registration) With a theoretically perfectly planar lens, focus/recompose induces a bit of back focusing. In the real life good luck in finding such planar lens. Field curvature in Leica and other lenses, especially complex ones, is quite wavy, so there is no point in trying to predict where the focus plane is. Just shoot normally and hope for the best. You will be on target more often than not. Only lens that gave me noticeable defocus in this situation was the otherwise admirable 40mm Summarit on the Minilux. I gave up on that lens. Interesting to see now that this defocus may have been an artifact of superb flatness of field... Link to post Share on other sites More sharing options...
FlashGordonPhotography Posted December 6, 2016 Share #8 Posted December 6, 2016 The issue is most prevalent at wide apertures at close to mid distances. A long long time ago I was given a hint by a photographer I worked for. Take a big breath in between focusing and shooting. It forces your head/body back just a tiny bit and often that compensates for the change in focus distance between the centre and edge. Doesn't take long to get used to and you'll soon work out that some lenses need a bigger breath than others. Gordon Link to post Share on other sites More sharing options...
250swb Posted December 6, 2016 Share #9 Posted December 6, 2016 I know this is not specific about the M system. When focusing and recomposing, do you guys have suggestions about compensating for moving the camera (perhaps based on distance to subject, aperture and focal length)? f/8 Link to post Share on other sites More sharing options...
Keith (M) Posted December 6, 2016 Share #10 Posted December 6, 2016 f/8 and be there... Link to post Share on other sites More sharing options...
albertknappmd Posted December 8, 2016 Share #11 Posted December 8, 2016 Like any skill worth acquiring, just practice, practice and practice. The deep breathing trick seems attractive but opens up another uncontrollable variable IMHO.. A deep deep breath for a 90mm versus a light deep breath for a 50mm ??? Be very aware of this when the lens is opened up or when close to your subject. Albert Link to post Share on other sites More sharing options...
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