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p.1 #1 · p.1 #1 · Sigma 35mm A on D800E body outer focus resolution. | |
When using the outer focus points on my D800E + SIgma 35mm f/1.4 A it would backfocus.
Center was dead on with an AF Microadjust of +3
The tech support rep also told me he was not aware of a firmware addressing this issue or knowing of this issue at all, but was friendly and said they will calibrate the lens to the body for free if I mailed it in after telling me all the things I might be doing wrong to begin with such as using proper test targets, using a tripod, outer focusing points being less accurate and non cross type, explaining the focus point should be 2/5 in focus in back and 3/5 in focus in front, yadi yadi yadi .....
I searched online and all threads with this similar issue seemed to have died off as of late last year with hardly anyone reporting their findings minus user 'binary visions' from here saying the firmware fixed the issue for him.
I want to confirm that it has indeed fixed the issue for me updating firmware from 1.00 to 1.02 via Sigma dock.
Here are the test shots I took using a tripod / mirror lock up / exposure delay at about 4-5 feet away. The top row is with the phase detection / viewfinder focusing. The bottom row is with Live view contrast detection just for reference on what it should look like. Focus point was always on that black veritcal hand written line.
Testing the central focusing point at the 4 different distances the dock is able to adjust showed it needed no adjustment. So basically I paid $60 for an interface to update the firmware of the lens to make it work properly.
**Just some random information. The camera menu for firmware version does not reflect the actual Sigma lens firmware version. Mine said L 1.009 when infact it was version 1.00. After the update it was 1.02 and the camera menu still listed L 1.009. This was contrary to a Sigma tech support rep telling me the L version under camera menu reflects the Sigma lens firmware version. Go figure.
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