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I am having considerable difficulty with my Canon 5D Mark III and its pairing with Adobe Lightroom (5.7.1).  During tethered capture sessions, the camera frequently disconnects from Lightroom, continuing to capture images (1 CR2 file every 8.0 sec), ...
When manually focusing the EF 100mm f/2.8L IS USM macro lens (or any lens, for that matter), is best practice to align the distance index | with the periods on the distance scale (e.g. 0.30 m) or with the magnification ratios' central colons (e.g. 1:...