07-06-2020, 10:32 AM
With the small size (DO) they do not have the room, probably, to make a longer focus path, hence the "long" MFD.
1:39X is not a thing, though. The Tamron you refer is said to do 0.26X max.mag.
1:39X is not a thing, though. The Tamron you refer is said to do 0.26X max.mag.