From: Performance of Akatsuki/IR2 in Venus orbit: the first year
Filter (μm)
Factor
Focal length (mm)
1.65
1.0 (reference)
85.35 (astrometry)
1.735
+ 0.07%
85.41
2.02
+ 0.17%
85.50
2.26
+ 0.11%
85.44
2.32