Question Type
Mutliple choice question
Question
When storing and transporting a lens, you should always
Answer
Yes
open the iris
No
close the iris
No
lock the back focus
No
set the focus to infinity
Old Node ID
3294
Answer Json
{answers:[{answer:open the iris,img:},{answer:close the iris,img:},{answer:lock the back focus,img:},{answer:set the focus to infinity,img:}],correct:1}
Old Lesson reference ID
1225