Max/Min Aperture limits
Aperture range locked to the lens and body in your hands.
Where to find it
Viewfinder Wheels; Tools tab Ranges
Summary
The aperture wheel clamps to the widest and narrowest apertures your lens and body support. Gear-based mode pulls the widest and narrowest stops from the selected LensSpec.
How it works
When you pick a lens, the aperture wheel clamps to the widest and narrowest f-stops that lens can achieve. A 50mm f/1.4 opens the wheel down to f/1.4 and might close to f/16. A slow zoom might run f/3.5 to f/22.
Why it matters
The meter can then suggest apertures you can actually dial. If your lens is f/2.8 to f/22, the wheel never offers f/1.4 or f/32.
Body limits
Some bodies have physical limits too (older SLRs might not meter past f/16). In those cases, both the lens and body constraints are honored.
Manual override
In Ranges tab, you can manually set custom aperture limits if you want to test a different lens or work with a restriction.