Developers for sharp grain?

[Gerald C Koch]

If you want sharp negatives then use one of the many acutance developers like the Beutler developer with a slow or medium speed film.

 

[grommi]

beautiful grain, tones and sharpness: Kentmere400/APX400new in Caffenol-C-M(rs):

https://www.flickr.com/photos/imagesfrugales/sets/72157672798582715
https://caffenol.blogspot.de/2016/08/apx-new-emulsion.html

 

[Juan Valdenebro]

beautiful grain, tones and sharpness: Kentmere400/APX400new in Caffenol-C-M(rs):

https://www.flickr.com/photos/imagesfrugales/sets/72157672798582715
https://caffenol.blogspot.de/2016/08/apx-new-emulsion.html

Thanks everyone for helping!
grommi,
Indeed beautiful sharp grain... Close to Rodinal: I didn't know Caffenol had that look on classic grain film...
Thanks!