Both! FX9 has a 36mm x 24mm full-frame image sensor designed to bring the image qualities of large-format cinematography to handheld shooting. However, the Super35 imager scan mode can be selected, making FX9 compatible with a wide range of large-format or Super35 lenses.

FX9 imager scan mode diagram: full-frame 6K 6008x3168 (35.7x18.8mm), 5K 5008x2640, and Super 35 4K 4096x2160 areas, with broken lines marking the 16:9 area in DCI 4K mode