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Canon IV Sb |
 Version française |
Manufactured or assembled in Japan from 1952 to 1953.
Index of rarity in France: Rare (among non-specialized garage sales)
Inventory number: 10529
See the complete technical specifications
Chronology of cameras Canon
The first cameras marketed by Canon were heavily inspired by Leica. Their silhouette remained largely the same until the mid-1950s, with the arrival of the VT. These are 35mm cameras with interchangeable lenses. Some models have a non-standard mount for which only one lens was available. Most of these models are rangefinders. Slow speeds are adjusted using an independent dial located on the front face.
| Name in Europe |
Year | Name for Japan | Name in America |
Shutter | ||
| - | 1936 | Hansa Canon | - | 1/20 to 1/500, B |
approx. 1 100 copies | |
| - | 1939 | J | - | approx. 200 copies No rangefinder |
||
| - | 1939 | NS | - | approx. 100 copies | ||
| - | 1939 | S | - | 1 to 1/500, B |
approx. 1 600 copies | |
| - | 1939 | JS | - | Less than 50 copies No rangefinder |
||
| J II | 1946 | J II | J II | 1/20 to 1/500. B |
approx. 500 copies No rangefinder |
|
| S | 1946 | S I | S | 1 to 1/500, B |
97 copies | |
| S II |  |
1946 | S II | S II | 7 550 copies | |
| II B |  |
1949 | II B | II B | 14 400 copies Adding a magnifying glass to the rangefinder. |
|
| II C | 1950 | II C | II C | 1 to 1/500, B. T |
||
| III |  |
1951 | III | III | 1 to 1/1000, B, T |
10 175 copies Replacement of 1/20 with 1/25 |
| IV | 1951 | IV | IV | |||
| III A |  |
1951 | III A | III A | 9 025 copies Film reminder on the winding knob. |
|
| IV S |  |
1952 | IV F | IV S | approx. 2 000 copies M sync |
|
| II A | 1952 | - | II A | 1/25 to 1/1000, B | ||
| II D |  |
1952 | II D | II D | 1 to 1/500, B, T |
 21 725 ex No sync. No reminder |
| II D' |  |
1952 | II D' | II D' | approx. 2 400 ex No sync, but a reminder |
|
| IV Sb |  |
1952 | IV Sb | IB Sb | 1 to 1/1000, B, T | 34 975 copies X Sync |
| II AF | 1953 | II AF | II AF | 1/25 to 1/500, B |
||
| II AX | 1953 | II AX | II AX | |||
| II F |  |
1953 | - | II F | 1 to 1/500, B, T | 11 900 copies Multi-frame viewfinder |
| II S | 1954 | - | II S | |||
| IV Sb2 |  |
1954 | IV Sb2 | IV Sb2 | 16 800 ex X fast Sync |
|
| II S2 | 1955 | II S2 | II S2 | |||
| - |  |
1955 | II D2 | II D2 | Replacement of 1/25 with 1/30 | |
| II F2 | 1955 | - | II F2 | |||
Starting from 1952, some models were synchronized for magnesium flash, and a few years later for electronic flash. The synchronization device is the subject of patent No. US2643597 filed in 1950 (it was filed in Japan in 1948) and the inventor is Hiroshi Suzukawa. The uniqueness lies in the synchronization being done through a rail fixed on the side of the camera.
__________
Le Canon IV Sb a été produit de décembre 1952 à mars 1953 (N°de série de 65 760 à 160 000).
C'est le premier Canon à avoir été proposé en finition noire et à posséder une synchro X
Par rapport aux II D et II D', il dispose du nouvel obturateur à plan focal du IV S, permettant les vitesses rapides, du 1/25 au 1/1000, par molette sur le capot et les vitesses lentes de 1 au 1/25 par molette séparée, située sur la face avant du boîtier. La molette des vitesses lentes possède un verrou dans sa position inactive > 1/25 s.
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