Elinchrom Rotalux Deep Octabox 39" Overview.The Elinchrom Rotalux Deep Octabox 39" is a preferred light shaper among portrait and fashion photographers, renowned for its unique design and versatile component usage. Here's an overview of its key features and benefits:Key Features: Size and Depth: 39" diameter with a 25.6" depth, providing a deeper light source compared to standard umbrellas,Lighting Quality: Offers focused light output with increased directional control, minimal spill light, and significant falloff,Diffusers: Includes removable interior and exterior diffusers for customizable lighting; use both for the softest light, just the interior for sharper contrast, or neither for high contrast, long throw, and controllable beam spread,Versatility and Performance:Deep Design: Similar to a beauty dish, it provides a crispness to the soft light that adds dimension and enhances facial features while tightening the light spread,Catchlights: The octagonal shape produces natural-looking catchlights in the eyes of your subjects, adding a professional touch to portraits