Sigma 17-40mm f1.8 DC Art - Sony E umbrella The aperture ring includes options

The aperture ring includes options for clicked or smooth operation

With these specific controls

or similar devices

and comfortable ergonomics

Sigma 17-40mm f1.8 DC Art - Sony E umbrella The aperture ring includes optionsThe Sigma 17 40mm f1. 8 DC Art offers exceptional versatility with a bright f1. 8 aperture and versatile wide angle zoom range. Building on the acclaimed 18 35mm model, it delivers superior optical quality while weighing over 30% less. Its fast, quiet autofocus and minimal focus breathing make it ideal for both stunning stills and smooth video. The inner zoom design enhances handling, making this lens a powerful tool for creative professionals seeking