mjeffries
TPF Noob!
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- Oct 24, 2008
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For years I've been frustrated with back focus issues on my 80-200 f2.8 AF-D lens. As I hold a black belt in procrastination, I've only just now attempted to use AF Fine Tune within the camera (D700, D750) to correct the issue.
At 200mm f2.8, I have the D750 AF Fine Tune set to -20 and the end result isn't bad. I came up with my own DIY calibration setup so I won't call it perfect by any means, but definitely an improvement.
When testing it at 80mm f2.8, still using the -20 AF Fine Tune, I now win the gold medal at the front focus olympics.
Am I correct in stating that there is no way to program the AF Fine Tune to only make adjustments to certain focal lengths? That I'm stuck with the adjustment (in this case -20) across the full range of the 80-200mm?
If that is the case I'll just leave the adjustment at -20 and try to remember to manual focus at shorter focal lengths. With this lens 200mm is where I spend most of my time so I might as well leave the AF Fine Tune adjustment so that the lens can properly focus at 200mm.
I just want to make sure I'm not overlooking any obvious solutions. Your time and input is greatly appreciated.
At 200mm f2.8, I have the D750 AF Fine Tune set to -20 and the end result isn't bad. I came up with my own DIY calibration setup so I won't call it perfect by any means, but definitely an improvement.
When testing it at 80mm f2.8, still using the -20 AF Fine Tune, I now win the gold medal at the front focus olympics.
Am I correct in stating that there is no way to program the AF Fine Tune to only make adjustments to certain focal lengths? That I'm stuck with the adjustment (in this case -20) across the full range of the 80-200mm?
If that is the case I'll just leave the adjustment at -20 and try to remember to manual focus at shorter focal lengths. With this lens 200mm is where I spend most of my time so I might as well leave the AF Fine Tune adjustment so that the lens can properly focus at 200mm.
I just want to make sure I'm not overlooking any obvious solutions. Your time and input is greatly appreciated.