* The Subject: Tall, slender subjects often look good in portrait format, while wider subjects or groups might benefit from landscape.
* The Background: A beautiful or important background might be better showcased in landscape, while a simple background might be fine with portrait.
* The Story You're Trying to Tell: Do you want to emphasize the subject's height and presence, or their surroundings and context?
* The Purpose of the Portrait: A headshot for a resume might need to be cropped for portrait view while a portrait for art might require a wider view in landscape.
* Your Personal Style: Ultimately, your creative vision plays a big role in determining the best format.
Experimenting with both portrait and landscape formats can help you determine which one best captures the essence of your subject and the story you want to tell.