System Variable Entry: ZOOMFACTOR

ZOOMFACTOR

integer, range 3 to 100

60

no

registry; saved in registry

Controls how much the magnification changes when the mouse wheel moves forward or backward.

AutoCAD and BricsCAD. AutoCAD all; BricsCAD V20+. Divergence: type AutoCAD Integer, BricsCAD Short; default AutoCAD 60, BricsCAD 40.

• AutoCAD: https://help.autodesk.com/view/ACD/2026/ENU/?guid=GUID-6A77AD55-6035-42FF-8FB1-FB0D8EFE1278
• BricsCAD: https://help.bricsys.com/en-us/document/system-variable-reference/z/zoomfactor-system-variable