Hi all, I have a few questions that i need answered as part of this photo course that i want to do. I'm hoping to improve way beyond my amateur level. Searched google with no luck so maybe you guys can help. - When using both color negative and transparency films, do we work out the correct exposure the same way, if not why? - Any disadvantage of using a telefoto lens? - What happens to film if subjected to a magnetic field? - What is a quick way to color correct an image containing a white or grey area? - What is the maximum value of a pixel? thanx in advance, appreciate your help!