Hello to you all and sorry if you think this is a stupid question but.... have you ever tryed to change a normal frame 35mm camera into a square format 24mm by 24mm ?? If you think about it for a minute you will find this is not that stupid. If you have your enlargements no bigger than 30x40cm ( and this can easely be achived by a good quality lens for 35mm format and of course a good film (grain) and developer) and if you change to a square format 24x24mm then you get the 30x30cm enlargements without compromise quality. Besides, the best "part" of any lens is allways a circle around the center portion of the image. The lighter and affordable lens set is no doubt the 35mm line of any brand (Leica apart). So if you have done something like this please describe the process. Thank you in advance for your replies.