There are all kinds of opinions about the enlargeability of Minox 8x11 negatives. People who never use Minox thinks Minox is a toy, cannot enlarge beyond 4x6, but in fact many expert Minoxers enlarge their 8mm x 11mm size negatives to 16x20", some even to garage door size mural. What is the criteria of enlargebility ? What are the main factors in obtaining big enlargement from Minox which looks sharp ? Is film a limiting factor ? Is lens a limiting factor ?