Length (L) - Sets the lengths of the Primary and Secondary Spikes and the sizes of the Soft and Ring Flare effects Length Control

Click the control or press L to activate.

The Length control, part of the Main Diffraction Spikes control group, sets the lengths of the Primary Spikes and Secondary Spikes, as well as the sizes of the Soft Flare and Ring Flare effects.

Higher Length values make longer spikes and larger flares.