YongLee

have other resource , i cannot upload this :http://en.wikipedia.org/wiki/Exposure_value

What is "dB", for example ,dynamic range of HD usual is 72dB. what difference between the stop and dB?

I think EV is important. who can tell me where to download the table of EV value of usual object or scene? thanks!

thank you very much , I see completly!

oh ,thanks ! in my POV, the dynamic range is equal to lattitude, but i know it is wrong. can you explain to my,thanks!

why 30P cannot convert well to 24P, why 60i can ?

i will shoot a 35mm film in next month. i have shoot movie in HD several , but use film is my first . i want to know if all type of film have same lattitude , seven stops , up 3 and down 4 between the middle gray. can you help me ? thanks!