When I was a kid back in the 70's, I did the Panatomic and Microdol 1:3 bit on scenics. D-76 is too rigorous on a high contrast film like that. And I was going for the view-camera look with a 35. I was never happy with my sharpness, not like I imagined it would be. Although I DID get view-camera grain out of my Mamiya/Sekor 1000DTL. This was like...1972, maybe. 73 and 74. Wasn't until about 2 years ago that a brainstorm dawned on me. I was shooting what?--f/11 and 1/60 or 1/30 on a tripod? It was the leaves, the branches, the grass, and many other thing that the breeze was moving. OF COURSE they are not going to be sharp. So the moral is to use the plus-x speed films. And use the Microdol 1:3 on the 35's and even the 2 1/4 cameras if you're doing scenics. Few scenics can stand grain as part of the photo like you get from D-76. Forget about the slow-speed film. That's my frank advice from and to myself. I misspelled scenics I see. Oh, well.
If you want sharpness, I wouldn't use Microdol-X (or the modern clone or Perceptol) for any film. It gets finer grain at the expense of sharpness. With today's films there's no need for it.