It has been roughly 4 years since I found APUG and have been seduced by the large format world. In that time, I have noticed a number of formats both LF, MF and even 35mm that are used that would be considered odd-ball formats. 35mm has fans of the 1/2 frame, and various panoramic formats, MF has the 645, 6x6, 6x7, 6x8 and 6x9 fans as well as the 6x12 and 6x17 pano formats, LF - let's see there are the mainstream 4x5,8x10 (or 10x8) workers (5x7 could fit here today), the the ULF crowd with the 7x17, 8x20, 11x14, 12x20 and even 20x24 - then there seems to be a big movement to Full Plate 6.5x8.5, plus the really odd formats 4x10, 5x12, 7x11 (my personal favorite), 10x12, 14x17 and 16x20.

Curious how many are out there shooting the non-standard formats and why you do? Is it because you bought a camera and that is the format it was set up in? OR is it, as in my own case, the traditional formats did not fit your way of seeing? In my own case I love 5x7, but 8x10 did not fit like the 7x11 does.

Would be interested in hearing the Why? I know there are those out there that think we are nuts when we choose one of the odd-ball formats, let's get serious there are not a lot of film holders out there, film is either bought through "special" runs, or cut down from other sheet film sizes.

How would you answer someone when they are "why bother" to work with obscure formats when there are a lot more "common" formats that have film available and more choices for lens, film, etc?