Standard Film Sizes

Kodak Film Sizes

No.	Intro.	Size		No. Position
101	1895	3 ½ x 3 ½		Bottom
102	1895	1 ½ x 2		Centre	Pocket Kodak with ratchet spool movement
103	1897	4 x 5
104	1897	5 x 4		Bottom
105	1897	2 ¼ x 3 ¼
106	1898	3 ½ x 3 ½
107	1898	3 ¼ x 4 ¼			Cartridge Roll-holder
108	1898	4 ¼ x 3 ¼		Centre	Cartridge Roll-holder
109	1898	4 x 5			Cartridge Roll-holder
110	1898	5 x 4			Cartridge Roll-holder
111	1898	6 ½ x 4 ¾			Cartridge Roll-holder
112	1898	7 x 5			Cartridge Roll-holder
113	1898		9 x 12 cm		Cartridge Roll-holder
114	1898		12 x 9 cm		Cartridge Roll-holder
115	1898	7 x 5
116	1899	2 ½ x 4 ¼		Bottom
117	1900	2 ¼ x 2 ¼	6 x 6 cm	Centre
118	1900	3 ¼ x 4 ¼		Bottom
119	1900	3 ¼ x 4 ¼
120	1901	2 ¼ x 3 ¼	6 x 9 cm	Top
121	1902	1 ⅝ x 2 ½
122	1903	3 ¼ x 5 ½		Top, Bottom
123	1904	4 x 5
124	1905	3 ¼ x 4 ¼		Top
125	1905	3 ¼ x 5 ½		Top
126	1906	4 ¼ x 6 ½
127	1912	1 ⅝ x 2 ½	4 x 6.5 cm	Centre	Narrow diameter metal core
128	1913	1 ½ x 2 ¼		Centre
129	1913	2 x 3		Centre
130	1916	2 ⅞ x 4 ⅞
616	1932	2 ½ x 4 ¼		Bottom	Narrow diameter metal core
620	1932	2 ¼ x 3 ¼	6 x 9 cm	Top	Narrow diameter metal core
828	1935		28 x 40 mm	Centre	Narrow diameter metal core
135	1934		24 x 36 mm		Perforated 35 mm film in cassette
35	1916		32 x 44 mm

Sizes in the left column are in inches, the width (across the spool) is given first. The column headed 'No. Position' shows the frame number position as if the film is being wound to the right.

Film numbers were not allocated until 1912.

Alternative Image Sizes

No.	Size		No. Exp.	No. Position
120	2 ¼ x 3 ¼	6 x 9 cm	8	Top	Original format
	2 ¼ x 2 ¼	6 x 6 cm	12	Centre
	2 ¼ x 1 ⅝	6 x 4 cm	16
	2 ¼ x 1 ¾	6 x 4.5 cm	16	Bottom
127	1 ⅝ x 2 ½	4 x 6.5 cm	8	Centre	Original format
	1 ⅝ x 1 ⅝	4 x 4 cm	12	Top
	1 ⅝ x 1 ⅛	4 x 3 cm	16		Intro. 1930
	1 ¼ x 1 ¼		16
620	2 ¼ x 3 ¼	6 x 9 cm	8	Top	Original format
	2 ¼ x 2 ¼	6 x 6 cm	12	Centre
	2 ¼ x 1 ⅝	6 x 4 cm	16	Bottom
116	2 ½ x 4 ¼		8	Bottom	Original format
	2 ½ x 2 ⅞		12	Centre
	2 ½ x 2 ⅛		16	Top

Sizes in the left column are in inches, the width (across the spool) is given first. The column headed 'No. Position' shows the frame number position as if the film is being wound to the right.

The idea for doubling the number of exposures on a roll of film came from W.H. Harvey's patent 13246 of 1914. He describes camera backs having two red windows or film with intermediate marks on the backing paper, masks for the focal plane and view-finder are also described. The Ensign Cupid, 1922, was probably the first camera to use the 'double window' arrangement for doubling the number of exposures on a roll. It employed two red windows where film with standard numbering on the backing paper was advanced so that each number appeared in each window successively. The Cupid used 120 roll-film. In 1930 Zeiss introduced cameras using two red windows for 127 roll-film. Later, film manufacturers printed frame numbers for alternative image sizes on the backing paper.

Film Size Equivalents

Size	Kodak	Ensign	Ensign	Butcher	Ilford	Illingworth	Agfa	Zeiss	Ansco
3 ½ x 3 ½	101	3 ½	E01						8A
1 ½ x 2	102	1 ½	E02
4 x 5	103	4	E03			23			10A
5 x 4	104	5	E04			25			12A
2 ¼ x 3 ¼	105	2 ¼C	E05		05				5A
7 x 5	115	7	E15						13A
2 ½ x 4 ¼	116	2 ½	E16	C16	16	9	D	D8	6A
2 ¼ x 2 ¼	117	2 ¼A	E17	C17	17	5	B1	B1	3A
3 ¼ x 4 ¼	118	3 ¼	E18	C18	18	12	E	E	7A
4 ¼ x 3 ¼	119	4 ¼	E19						11A
2 ¼ x 3 ¼	120	2 ¼B	E20	C20	20	8	B2	B11/8	4A
1 ⅝ x 2 ½	121	1 ⅝	E21		21				2A
3 ¼ x 5 ½	122	3 ¼A	E22	C22	22	21	G	G	18A
4 x 5	123	4A	E23						10C
3 ¼ x 4 ¼	124	3 ¼B	E24		24	14			7C
3 ¼ x 5 ½	125	3 ¼C	E25						18C
4 ¼ x 6 ½	126	4 ¼A	E26			28			19A
1 ⅝ x 2 ½	127	1J	E27	C27	27	3	A	A8
1 ½ x 2 ¼	128	1E	E28	C28	28	2
2 x 3	129	2E	E29	C29	29	6	N	N6
2 ⅞ x 4 ⅞	130	2 ⅞	E30	C30	30	17	M
2 ½ x 4 ¼	616				Z.16		PD	DM8
2 ¼ x 3 ¼	620		E62		Z.20		PB	B11/M8
28 x 40 mm	828				88
2 ¼ x 3 ¼		2J
1 ¼ x 1 ⅝			E10		10
3 ½ x 2 ½					01

Sizes are in inches, the width (across the spool) is given first.

There were two numbering systems used on Ensign film, those shown in the left column are the earlier, the second system was used from the early 1920s and following the Houghton-Butcher merger.

Ansco used the suffix A or B to designate different lengths of film of the same type, likewise the suffix C or D, but a film numbered, for example, 18C was a different size to 18A.

References & Notes

Clemitson Cat. 1909, p. 130.; BJA 1913, p. 1229.; BJA 1923, p. 170.; Coe and Gates, Snapshot Photograph, p. 138.

Early Photography

Standard Film Sizes

Kodak Film Sizes

Alternative Image Sizes

Film Size Equivalents

References & Notes

References & Notes