Q: how can i air drop photos from my iPhone to my mac?

The following has instructions: How to use AirDrop with your iPhone, iPad, or iPod touch - Apple Support

Also note the following from Use AirDrop to send content from your Mac - Apple Support

To send items to an iPhone, iPad, or iPod touch, or to receive items from those devices, you need a 2012 or later Mac model with OS X Yosemite or later, excluding the Mac Pro (Mid 2012).