Yup 95% coverage, 0.8x magnification.
MF with a D40 is seriously a PITA compared to the FM2n...
TS, it's up to you whether you want to
1) MF
2) Change your focusing screen and MF
3) Buy a new body with in-body AF motor
4) Buy a SWM/HSM lens
Option 4 is the easiest and least painful.