3D film formats

From Photo-3d

Several formats are currently in use for 3D photography, as shown in the following table:

Also, see Appendix A for drawings of film formats.

Note: All dimensions in mm unless otherwise noted.

Format Name	Film Dimensions	Exposures on roll of:		Slide Mounts		Comments
		135-20	135-36	Opening Size	Mount Size
View-Master	12 x 13	37	69	10.64 x 11.72	3 17/32 (90mm) diameter circle holding 7 pairs	Interocular 64.90
Bruguere	?	?	?	12 x 13	?
Tru-Vue	?	?	?	14.36 x 13.24	?	Interocular 63.64
Nimslo / Nishika	24 x 18	10	18	22 x 16	1 5/8 x 4	4 side-by-side half frame images. Slide mounts hold 2 of the 4. Designed for special lenticular print
Half Frame	24 x 18, side-by-side on a 35mm frame	20	36		n/a	Typically produced by a beam-splitter arrangement
Realist	24 x 23	16	29	23 x 21.7	1 5/8 x 4	Normal (7 stereo window)
				23.6 x 21.4	1 5/8 x 4	Aluminum normal mount
				23 x 21	1 5/8 x 4	Medium (4 stereo window)
				23 x 19.6	1 5/8 x 4	Close-up (21/2 stereo window)
European	24 x 30	?	21	23.5 x 28	1 5/8 x 4
Twin 35mm	24 x 36	10	18	23 x 35	1 5/8 x 4	When mounted in European format slide mounts
				23.5 x 28	2 x 2	When mounted in separate 35mm slide mounts
				23 x 33	2 x 4 1/2	Reel 3D full frame mount
Twin 2 1/4	Mamiya - 56 x 56 Fuji 6x7 - 54.4 x 67.1 6cm x 6cm, 6cm x 7cm	n/a	n/a	n/a	n/a	from 120 or 220 rollfilm
Twin 4x5	3 3/4 x 4 3/4	n/a	n/a	n/a	n/a	from 4x5 sheet film