In season 9 episode 13, Gary Martin and guest Darrel Hosing discuss portrait photography and lighting. Darrel talks about his approach to capturing dramatic portraits using off-camera flash. He emphasizes that less is more when it comes to lighting, and that using fewer lights can often lead to more impactful images. He also touches on how technology has changed the way he approaches photography, specifically with the advent of high-speed sync. Throughout the conversation, Gary and Darrel share their mutual appreciation for the simplicity and power of Instagram as a platform for sharing photography. Darrel also shares his social media handles where people can find his work and e-book, which provides tips and insights into his photography process.