The 35mm option of Zero 135 is the smallest camera in the range, taking standard film cassettes in any length, with the take-up being into an empty cassette.
The camera is dual format, using both standard 24x36mm plus an extra wide 23x45mm, and adjustment for this is done by changing the internal baffles.
The teak wood in the Back to Nature range is wax oil finished which is more eco-friendly than the lacquer finish.
The models are broken into the following:
Basic: a simple sliding shutter
Deluxe: The shutter can be slid as for the basic but it can also operate with a cable release and swing up
Super Deluxe: Also contains a bubble level
Super Deluxe Plus: All the above + a 52mm filter adaptor
I have given them all a whirl and the cable release upgrade is useful not just if you are planning to do some shots with relatively fast exposure. The spirit level I did not find that useful as I either did shots using a tripod and therefore had time to level the shot using my own spirit level or I used it or street photography where the last thing on my mind was using the spirit level, but I guess it is a question of taste. The filter thread is a lovely addition but that does take it into a whole new realm.
Material: Teak Wood
Weight: 6.5 oz (185 gm)
Focal Length: 25mm
Tripod socket: 1/4” Thread
Pinhole Size: 0.18mm
Zone Plate (Optional): 25mm w/9 zones
Angle of View: 90.61° diagonally (Panoramic), 79.9° diagonally (135 format)
Dimensions: 4 3/4” (L) x 1 5/8” (D) x 2 3/4”(H) including all knobs
Film Stop: f/138 for pinhole | f/45 for zone plate
Film Formats: 35mm (23mm x 35mm) | panoramic (23mm x 45m)