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At Wisley today in the glasshouse I attempted to take some shots (of the butterflies, of which there werent many) using my 6 month old 50D and my equally 6 month old 100 macro (all Canon, camera from Jesopps, lens from Park Cameras). A few worked fine but then after a while the combo stopped focussing properly, the lens worked ok on my substitute old brick built 10D and another lens (50mm and 85mm) worked ok on the 50D.
If I manually focussed on a distant object the 50D would auto focus on objects that were about the same distance away but not on close objects. If I manually focussed on close objects the lens would auto focus on similarly close objects but not far away ones.
I appreciate it was humid and hot in there and now I am home all seems to be ok, but I am dissapointed that nearly £1200 worth of camera kit failed when I needed it and peoples camera phones or P&S seemed to be working fine, even my wife's 400 and kit lens carried on working.
I'm also tempted to think that even the shots which did work have their AF point slightly off point as items beyond the 'marker' are in focus whereas items on teh point arent, although to be fair that could be a bit of camera movement after focus point has been achieved, I'll certainly have to check that tomorrow and re-calibrate if required.
Is it worth taking it all into a Canon service agent (I have one close by, Nth London) and getting them to check the combo out (presumably under warranty) or just assume that it was a one off, I'm tempted to go back to Wisley again and having another try to see if the camera/lens are still playing up.
Views?
Matt
If I manually focussed on a distant object the 50D would auto focus on objects that were about the same distance away but not on close objects. If I manually focussed on close objects the lens would auto focus on similarly close objects but not far away ones.
I appreciate it was humid and hot in there and now I am home all seems to be ok, but I am dissapointed that nearly £1200 worth of camera kit failed when I needed it and peoples camera phones or P&S seemed to be working fine, even my wife's 400 and kit lens carried on working.
I'm also tempted to think that even the shots which did work have their AF point slightly off point as items beyond the 'marker' are in focus whereas items on teh point arent, although to be fair that could be a bit of camera movement after focus point has been achieved, I'll certainly have to check that tomorrow and re-calibrate if required.
Is it worth taking it all into a Canon service agent (I have one close by, Nth London) and getting them to check the combo out (presumably under warranty) or just assume that it was a one off, I'm tempted to go back to Wisley again and having another try to see if the camera/lens are still playing up.
Views?
Matt
