Raw Video: Apple Unveils the iPhone 11

The video tutorial introduces new features in iOS 13, focusing on advancements in camera technology. It highlights the new sensor with 100% focus and a 120-degree field of view, allowing users to capture more in their photos. The tutorial explains how to switch between wide and ultra-wide camera modes to reveal more of the scene, utilizing an optical zoom out feature. Additionally, it showcases the immersive camera interface that hints at a larger shot, enhancing the photography experience.

What does the term 'contextual menus' refer to in the context of iOS 13?

Describe the optical zoom feature mentioned in the text.