Which was the better tac recon plane (equipment arrangement): NAA F-6D/K or CAC PR22 Mustang

[BarnOwlLover]

These were both tac recon adaptions of the P-51D/K Mustang. Wondering which was the better implementation of the concept, and the differences beyond the obvious visual differences.

F-6D/K:

https://cdn.prod.website-files.com/60d3c6d0e106af90561564f7/66a783561aa6289547f09796_61012da0d0d2e6acbf76a7b7_North-American-F-6D-Mustang.jpeg

https://scalespot.com/reviews/books/valiant_p51/Valiant%20Wings%20P-51D%20K%20(3).jpg

PR 22:

https://www.goodall.com.au/photographs/mustangs/Must-A68-187-BK-7.67KKK.jpg

https://scalespot.com/reviews/books/valiant_p51/Valiant%20Wings%20P-51D%20K%20(4).jpg