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Canon IV SB
France Version française
Photos by JPG text by JPG. From the collection of JPG. Last update 2012-02-14 par Eric Borel.

Manufactured or assembled in Japan from 1952 to 0.
Index of rarity in France: Rare (among non-specialized garage sales)
Inventory number: 10529

See the complete technical specifications
Chronology of cameras Canon 

Traduction de Manuel M

Canon IVSB was produced December 1952 to March 1953.
Produced specimens: 34,975

The 3rd bigger business success of Canon.
The first Canon to be proposed in black completion.

Compared to the IID and D1:

first Canon model to have a synchro X
rail of synchro flash M (F) and X
blocking of the serrated roller slow speeds, by lock, on its position 1/25 S

Principal characteristics:

Serial numbers: 65760 to 160000
Interchangeable lenses with the Leica standard screwing of 39mm and coupled with the rangefinder.
Rangefinder viewfinder combined for 50mm. No frame nor of correction of parallax. Round telemetric Image.
Magnifying glass of focusing of the rangefinder with 3 positions: F - 1x and 1.5x, actuated by a lever made up of only one part.
New focal plane shutter of the IVS, allowing fast speeds, of the 1/25s to the 1/1000s + B, by serrated roller on the hood and slow speeds of 1s to the 1/25s + T and X (between the 1/8 S and the 1/25 S), by separated serrated roller, located on the front face of the body. The serrated roller slow speeds has a lock in its position inactivates > 1/25 S.
35mm for exposures 24x36mm
Socket of flash synchronization on side rail, for flash “X and M.-bulb (F)”.
Loading by the sole.
The button of cocking has a window of recall of the type of film used
Standard lens: Canon 50 mm F1.8 - Canon Serenar 50mm f1.5 or f3.5.

Picture one: IVSB - n°: 149412 with new Canon SERENAR - f2,8-22 of 35mm + wiewfinder

Picture two: view of top

Picture three: Detail of the rail synchronization

Picture four: IVSB - “EP” (exemplary sold in Japan with a US soldier, by a military store) - n°: 152555 with the Flash Canon V2

Picture five: 2 “normal” IVSB and “EP” seen of top.

Canon IV SB
IVSB - n° : 149412 avec le nouveau Canon SERENAR – f2,8-22 de 35mm + viseur

Canon IV SB
Vue de dessus
Canon IV SB
Détail du rail synchro
Canon IV SB
IVSB – « EP » ( exemplaire vendu au Japon à un militaire US, par un magasin militaire ) – n° : 152555 avec le Flash Canon V2
Canon IV SB
les 2 IVSB « normal » et « EP » vus de dessus.