Date | # Prod. | Features | |
IV | 1951.4-1952.4 | 1,400 | III + flashbulb sync via rail |
IVF | 1951.12-1952.8 | 6,900 | IV+redesigned knobs, lever+redesigned screw flange |
IVS | 1952.4-1953.5 | IVF+redesigned shutter crate (die cast) | |
IVSB | 1952.12-1955.3 | 34,975 | IVS+X sync slow speed+slow speed lock |
IVSB2 | 1954.7-1956.7 | 16,800 | IVSB+slow shutter split at 1/30 sec+universal shutter progression + non-rotating shutter dial + fast X sync+redesigned viewfinder |
Used with kind permission of Jim Williams who wants to add the caveat that he wrote this while waiting for his dinner and this should not be considered to cover every minor variation between the models. |
Camera Name | Canon IV Series |
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Manufacturer | Canon, Inc. |
Place of Manufacture | Japan |
Date of Manufacture | IVs: 1952.4-1953.5 (about 4,900 produced) IVSB: 1952.12-1955.3 (about 35,000 produced) |
Focusing System | Coupled rangefinder (~36 mm optical base length) Switchable magnification finder: 50mm (F-0.67x), 100mm (1x), and 135mm (1.5x) |
Lens Mount | Leica M39 screw mount compatible Standard lenses: 50mm f/1.8 Serenar |
Shutter | Horizontal focal plane shutter (rubberized cloth) 1 sec - 1/1000 sec + B + T IVsb-slow: T 1 2 4 8 X 25 (locks on '25') IVsb-fast: B 1-25 40 60 100 200 500 1000 |
Metering System | None |
Flash | External cold accessory shoe Proprietary flash connector on left side |
Film type | Type 135 film (35mm standard) |
Battery type | none |
Dimensions and weight | Body + lens:140 x 72.2 x 67 mm, 790 g (with Serenar 50mm f/1.8) |
Retail price | ¥77,000 with Serenar 50mm f/1.8 |
My Leica Mount Lens Collection |
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