What is 32 90mm on medium format in full frame?

32-90mm on medium format gives the view of 25-71mm on full frame.

The same view on every common format:

• Medium format (44 x 33) (yours): 32-90mm
• Full frame: 25-71mm
• APS-C: 17-47mm
• APS-C (Canon): 16-44mm
• Micro Four Thirds: 13-36mm
• 1-inch: 9.4-26mm
• 1/1.3-inch: 7-20mm
• 1/1.7-inch: 5.5-15mm
• 1/2.3-inch: 4.5-13mm

Crop factors are by the sensor diagonal, rounded as they're usually quoted; a format with a different shape (4:3 against 3:2) frames a little differently across the width. More in the focal length converter.

Computed from the sensor sizes, not written by a model.