In a 300mm 2.8 lens - the number 2.8 refers to __________

🎲 Try a Random Question  |  Total Questions in Quiz: 77  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
Photography Fundamentals Test 2 — practice the complete quiz, review flashcards, or try a random question.


In a 300mm 2.8 lens - the number 2.8 refers to __________