Ever wonder how many megapixels are in a single frame of 35mm film? or 120 film? or 8x10 sheet film?
well this video will explain IN DETAIL everything you need to know about the detail resolving power of film!

Here is a cool site with a good diagram explaining what a LINE PAIR really is:
http://www.theimage.com/photography/p...

The INs and OUTs of FOCUS and FOCUSING the VIEW CAMERA :
http://www.trenholm.org/hmmerk/downlo...