Learn what actually matters in houseplant care:
https://courses.houseplantjournal.com/p/essentials
The LTH Meter: the first meter that measures light, temperature, and humidity
https://www.houseplantjournal.com/product/lth-meter/
My book 'The New Plant Parent':
https://amzn.to/2W5Boqw
Fisheye lens - creates a circular image with a 180-degree angle of view...
for Canon:
https://amzn.to/2WieykH
for Nikon:
https://amzn.to/2QwXpxi
for Sony Alpha:
https://amzn.to/2QznNH7
Learn about the position of the sun:
https://www.sunearthtools.com/dp/tools/pos_sun.php