Originally posted by MrB1 I wonder if the HD coating will make a noticeable difference ... 1...that can be seen in normal viewing (rather than pixel peeping) on an LCD monitor, or in prints up to A3, viewed from a sensible distance... and/or 2. that cannot be reproduced in post processing. It will be interesting to see the comparison reviews.
My understanding is that HD is just more consistent in the manufacturing process.
So there may be observable differences compared to a lens with badly done SMC,
but not compared to a lens with good SMC.
This raises a more general question:
Will HD or "nano" lenses be less subject to variation?
Put another way,
how much of the copy variation we have seen so far
has been due to variation in the coatings
(as opposed to issues like element alignment)?