camera formats

When considering the camera format to use for maximizing the number of photos you can take and store on your iPhone 13 Pro Max with 80GB of storage, you should focus on balancing image quality and file size. Here are a few tips to help you decide:

1. The JPEG format is a commonly used image format that offers a good balance between image quality and file size. iPhones typically capture photos in JPEG format by default. This format compresses images while maintaining a reasonable level of image quality. It's suitable for everyday photography and will allow you to capture and store a substantial number of photos on your 80GB iPhone.
2. iPhones also offer a newer image and video format known as High Efficiency Image Format (HEIF) for photos and High Efficiency Video Coding (HEVC) for videos. These formats provide higher compression while maintaining image quality. They are supported by modern devices and operating systems. Enabling HEIF/HEVC in your iPhone settings can help you save more space without significantly compromising image quality.
3. If you're primarily capturing photos for personal use and online sharing, you can consider lowering the resolution settings of your iPhone camera. While this reduces the overall image quality, it significantly reduces the file size, allowing you to store more photos.
4. With iCloud Photo Library enabled, you can choose to optimize storage on your iPhone. This means that your full-resolution photos are stored in iCloud, and only smaller, device-friendly versions are kept on your iPhone. This can help you manage your storage more efficiently.
5. Periodically review and offload photos and videos that you don't need to keep on your device. This can free up space for new photos during your trip.

See the pic below for more clarity

Remember that the iPhone 13 Pro Max has a powerful camera capable of capturing high-quality images. While optimizing for storage is important, preserving memorable moments in good quality is also valuable. It's a good idea to find a balance that works for you by experimenting with different settings and considering how you plan to use the photos in the future.