Well, I have now done three side-to-side tests with these two lenses, and I think my last one is about as good as I will be able to get, so it will be the last one I will do unless anyone wants to see how either lens performs under specific circumstances. Now that I know their performance characteristics, I can just worry about taking regular pictures with them.
My conclusions:
The sharpness of the A* wide open is noticably better than the FA* wide open. The resolution seems to be fairly similar, but the contrast of the A* is just superb. Along these lines, both lenses can make the in focus object "pop" out from the OOF areas of a photo very well, but at the widest apertures the A* does it better IMO. I believe this is due to the better contrast giving the subject of the photo a more defined edge. The difference in contrast(or microcontrast) isn't too large, as images from the FA* can be imparted a look similar to those from the A* with a little PP. Up to about f5.6 the A* is the winner in sharpness but from there on they're are very close.
Where the FA* shines in my eyes is color. It produces colors more true to life than the A*. It also has a warmer tone than the A*, which produces quite cool colors.
The FA* is also much better in suppressing CA. Like I said before, the A* can show very bad PF at wide apertures. It is strong and hard edged. When PF shows up in images from the FA* it is much more diffuse and less noticeable.
As far as bokeh goes, they are both superb performers. I would say that the FA* has a dlight edge, however. The bokeh of the FA* is very creamy and smooth. The same can be said of the A*, but just to a very slightly lesser degree.
As far as other qualities go, I prefer the cosmetics and handling of the A*. The smooth black finish is unassuming and manual focusing is a dream with it. The FA* is nice too, but the all to scratchable siver paint is a cause for concern and will no doubt draw looks. I was actually walking on the trails in a park and passed two guys carrying Nikons and one of them said hi, and then looked down at eh FA* like it was some alien device. For an AF lens the FA* is very nice to focus, and the focus clutch makes switching between the two modes very easy, but the MF just doesn't compare to the A*.
Now for the good part, the test photos. I'm only putting one set of test photos up because I simply don't have enough room left on my flickr account for this month to put up more. Also, since I don't have a Pro Flickr account these won't be viewable at full size. The pictures were taken an hour or so before sunset on an overcast day. The camera was on a tripod, with the SR turned off, and the shutter was fired with a IR remote with 3 second mirror lock up. The camera was in aperture priority mode and the ISO was set to 100, and not all the shutter speeds for the same aperture are the same for both lenses. EV compensation was left at 0 in the camera. In PS Lightroom I gave all photos the same white balance and tried to adjust the exposure so that they were as close to as each other as possible. Other than that the photos are straight out of the camera.
FA*:
1.4
Flickr Photo Download: FA- 85mm Tree Test
2.0
Flickr Photo Download: FA- 85mm Tree Test-2
2.8
Flickr Photo Download: FA- 85mm Tree Test-3
4.0
Flickr Photo Download: FA- 85mm Tree Test-4
5.6
Flickr Photo Download: FA- 85mm Tree Test-5
8.0
Flickr Photo Download: FA- 85mm Tree Test-6
11.0
Flickr Photo Download: FA- 85mm Tree Test-7
A*:
1.4
Flickr Photo Download: A- 85mm Tree Test
2.0
Flickr Photo Download: A- 85mm Tree Test-2
2.8
Flickr Photo Download: A- 85mm Tree Test-3
4.0
Flickr Photo Download: A- 85mm Tree Test-4
5.6
Flickr Photo Download: A- 85mm Tree Test-5
8.0
Flickr Photo Download: A- 85mm Tree Test-6
11.0
Flickr Photo Download: A- 85mm Tree Test-7
The lens buying addict within me wants me to keep both, and for the time being I will. At least for a couple more months. If I can find the money(meaning if I can find another job right after the seasonal job I'm currently doing is over in June) I will hold on to both lenses indefinitely. I've found I really love this focal length, and the large max aperture and great IQ of both lenses is just the icing on the cake. They each have their strengths and weaknesses, but if I had to pick one right now to sell, I'm thinking it would be the A*. As great as it is, its greater sharpness than the FA* only really reveals itself at high magnifications. On the other hand the better color, in my mind, and the less apparent PF of the FA* can be seen even at smaller sizes.