photography rule of thumb
Understanding Exposure: The Exposure Triangle with Mark Wallace
Where does "rule of thumb" come from? | FACTUAL FEMINIST
3 Rules of Thumb on Focal Length
9 photo composition tips (feat. Steve McCurry)
4 Framing & Composition Techniques for Beginners | Photography & Video Training
Rule of Thumb - Distance ( EASY !!! )..... TIPS & TRICKS ....NO MATH NEEDED