| CCSTID | STHD21869S |
| Brand | Herbert George |
| Sub | |
| Model | Duo-Flash |
| Factory Ref. | |
| Estimated price US$ | 20 |
| Other name | |
| Type – see definitions | TLR |
| Introduced | 1955 |
| Format | 620 |
| Country | USA |
| ISO | insufficient data |
| CCSTID | STSD25556S |
| Brand | Sperling |
| Sub | |
| Model | Duobalg Field Camera |
| Factory Ref. | |
| Estimated price US$ | 240 |
| Other name | |
| Type – see definitions | Field |
| Introduced | |
| Format | |
| Country | Germany |
| ISO | insufficient data |
| CCSTID | STLD89176S |
| Brand | Lone Riders |
| Sub | |
| Model | Duoflex |
| Factory Ref. | |
| Estimated price US$ | 520 |
| Other name | |
| Type – see definitions | Large format SLR |
| Introduced | 1930 |
| Format | |
| Country | |
| ISO | insufficient data |
| CCSTID | STHD129692S |
| Brand | Hanimex |
| Sub | |
| Model | Duomatic |
| Factory Ref. | |
| Estimated price US$ | 10 |
| Other name | |
| Type – see definitions | Rangefinder |
| Introduced | |
| Format | |
| Country | |
| ISO | insufficient data |
| CCSTID | STUD3261S |
| Brand | Universal |
| Sub | |
| Model | Duovex |
| Factory Ref. | |
| Estimated price US$ | 240 |
| Other name | |
| Type – see definitions | Stereo |
| Introduced | 1934 |
| Format | |
| Country | USA |
| ISO | insufficient data |
| CCSTID | STND16799S |
| Brand | Nettel |
| Sub | Nettel |
| Model | Duplak |
| Factory Ref. | |
| Estimated price US$ | 160 |
| Other name | Nettel Camerawerk |
| Type – see definitions | Folder |
| Introduced | 1911 |
| Format | Plate |
| Country | Germany |
| ISO | insufficient data |
| CCSTID | STHD37090S |
| Brand | Hanau |
| Sub | |
| Model | Duplex |
| Factory Ref. | |
| Estimated price US$ | |
| Other name | |
| Type – see definitions | Stereo |
| Introduced | 1890 |
| Format | |
| Country | |
| ISO | insufficient data |
| CCSTID | STDD20488S |
| Brand | Darling |
| Sub | |
| Model | Duplex |
| Factory Ref. | |
| Estimated price US$ | |
| Other name | |
| Type – see definitions | |
| Introduced | |
| Format | |
| Country | UK |
| ISO | insufficient data |
| CCSTID | STID13722S |
| Brand | Ihagee |
| Sub | |
| Model | Duplex |
| Factory Ref. | 810 |
| Estimated price US$ | 120 |
| Other name | Industrie- und Handelsgesellschaft |
| Type – see definitions | Folder |
| Introduced | 1925 |
| Format | 9×12 |
| Country | DDR |
| ISO | 8 |
| CCSTID | STID15030S |
| Brand | ISO |
| Sub | |
| Model | Duplex 120 |
| Factory Ref. | |
| Estimated price US$ | 260 |
| Other name | Industria Scientifica Ottica |
| Type – see definitions | Stereo |
| Introduced | 1956 |
| Format | 120 |
| Country | Italy |
| ISO | 32 |
| CCSTID | STAD3045S |
| Brand | Anthony |
| Sub | |
| Model | Duplex Novelette |
| Factory Ref. | |
| Estimated price US$ | 440 |
| Other name | |
| Type – see definitions | Tailboard |
| Introduced | 1885 |
| Format | |
| Country | USA |
| ISO | insufficient data |
| CCSTID | STAD3046S |
| Brand | Anthony |
| Sub | |
| Model | Duplex Novelette Stereo |
| Factory Ref. | |
| Estimated price US$ | 580 |
| Other name | |
| Type – see definitions | Stereo |
| Introduced | 1885 |
| Format | |
| Country | USA |
| ISO | insufficient data |
| CCSTID | STTD25778S |
| Brand | Thornton Pickard |
| Sub | |
| Model | Duplex Ruby Reflex |
| Factory Ref. | |
| Estimated price US$ | 160 |
| Other name | |
| Type – see definitions | Large format SLR |
| Introduced | |
| Format | |
| Country | UK |
| ISO | 9 |
| CCSTID | STTD25779S |
| Brand | Thornton Pickard |
| Sub | |
| Model | Duplex Ruby Reflex Tropical |
| Factory Ref. | |
| Estimated price US$ | 1,550 |
| Other name | |
| Type – see definitions | Large format SLR |
| Introduced | |
| Format | |
| Country | UK |
| ISO | 5 |
| CCSTID | STID15031S |
| Brand | ISO |
| Sub | |
| Model | Duplex Super 120 |
| Factory Ref. | |
| Estimated price US$ | 350 |
| Other name | Industria Scientifica Ottica |
| Type – see definitions | Stereo |
| Introduced | 1956 |
| Format | 120 |
| Country | Italy |
| ISO | 91 |
| CCSTID | STRD130699S |
| Brand | Rouch |
| Sub | |
| Model | Duplicating |
| Factory Ref. | |
| Estimated price US$ | |
| Other name | |
| Type – see definitions | |
| Introduced | |
| Format | |
| Country | UK |
| ISO | insufficient data |
| CCSTID | STAD88840S |
| Brand | Anthony |
| Sub | |
| Model | Duplicating 9 Lens |
| Factory Ref. | |
| Estimated price US$ | 1,560 |
| Other name | |
| Type – see definitions | Niche |
| Introduced | |
| Format | |
| Country | USA |
| ISO | insufficient data |
| CCSTID | STZD19678S |
| Brand | Zeh |
| Sub | |
| Model | Duplo |
| Factory Ref. | |
| Estimated price US$ | 80 |
| Other name | ZeCa |
| Type – see definitions | Folder |
| Introduced | 1925 |
| Format | |
| Country | Germany |
| ISO | insufficient data |
| CCSTID | STFD13499S |
| Brand | Franka |
| Sub | |
| Model | Duplo |
| Factory Ref. | |
| Estimated price US$ | 40 |
| Other name | Franka-Kamerawerk |
| Type – see definitions | Folder |
| Introduced | 1930 |
| Format | Plate |
| Country | Germany |
| ISO | insufficient data |
| CCSTID | STZD8502S |
| Brand | Zeiss |
| Sub | Ikon |
| Model | Duplo |
| Factory Ref. | |
| Estimated price US$ | 110 |
| Other name | Zeiss Ikon |
| Type – see definitions | Folder |
| Introduced | |
| Format | |
| Country | Germany |
| ISO | insufficient data |
| CCSTID | STBD11491S |
| Brand | Birnbaum |
| Sub | |
| Model | Duplum |
| Factory Ref. | |
| Estimated price US$ | 200 |
| Other name | Emil Birnbaum Fotozavody |
| Type – see definitions | Folder |
| Introduced | 1937 |
| Format | 120 |
| Country | Czechoslovakia |
| ISO | insufficient data |
| CCSTID | STCD6563S |
| Brand | Certo |
| Sub | |
| Model | Durata |
| Factory Ref. | |
| Estimated price US$ | 110 |
| Other name | VEB Certo-Kamerawerk |
| Type – see definitions | Klapp |
| Introduced | 1949 |
| Format | 35mm |
| Country | Germany |
| ISO | 6 |
| CCSTID | STCD6564S |
| Brand | Certo |
| Sub | |
| Model | Durata II |
| Factory Ref. | |
| Estimated price US$ | 40 |
| Other name | VEB Certo-Kamerawerk |
| Type – see definitions | Klapp |
| Introduced | 1951 |
| Format | 35mm |
| Country | Germany |
| ISO | 9 |
| CCSTID | STZD136107S |
| Brand | Zeiss |
| Sub | |
| Model | Duroll |
| Factory Ref. | 215 |
| Estimated price US$ | |
| Other name | Zeiss Ikon |
| Type – see definitions | |
| Introduced | |
| Format | 6*9 |
| Country | Germany |
| ISO | insufficient data |
| CCSTID | STCD33244S |
| Brand | Contessa |
| Sub | Contesa |
| Model | Duroll |
| Factory Ref. | |
| Estimated price US$ | 40 |
| Other name | Drexler & Nagel |
| Type – see definitions | Folder |
| Introduced | 1926 |
| Format | Plate |
| Country | Germany |
| ISO | 3 |
