Couple of shots from Ilford SFX 200 tests, both with and without an R72 IR filter. All taken with A2 and 24-105 f4L.
1 - NO R72 filter
1/30s, f/11 200
2 - R72 filter
1/2s, f/11, 200. (4 filter factor)
No photoshop other than resize for web as these are pure testing photos.
Comments either here or on welcome!