Canon IV-SB
akaCanon IV-S2
35mm MF film rangefinder camera • Discontinued
- Announced:
- · December 1952
- Production status:
- ● Discontinued
- Country of design:
- · Japan
- System:
- · Canon S (LSM) (1949)
Specification
| Format: | |
| 35mm full frame | |
Film type: | 135 cartridge-loaded film |
| Leica screw mount [28.8mm] | |
| Shutter: | |
Type: | Focal-plane |
Model: | Mechanical |
Speeds: | 1 - 1/1000 + B, T |
| Exposure: | |
Exposure metering: | None |
Exposure modes: | Manual |
| Physical characteristics: | |
Weight: | 790g |
Dimensions: | 140x72.2x67mm |
Manufacturer description #1
1952 Model IV-S2: Same as Model IV-S except speedlight (X) synchronization added into the flash synchronizer, and the lock provided on the slow shutter speed dial.
Manufacturer description #3
FILM SIZE: The CANON CAMERA MODEL IV-Sb is supplied with either a 50mm f:1.8 or a 50mm f:1.5 ultra-hard coated Canon lens. It is a 35mm precision-built miniature camera allowing 36 exposures, 36mm x 24mm size frame, in one cartridge.
APPEARANCE: The strong die-cast aluminium body is covered in black, grained plastic leather with an attractive satin-chromed diamond-finished and partly aventurine-chromed. These features give the Canon camera a trim, neat appearance.
SHUTTER SPEED: An efficient, smooth-moving focal plane shutter provides a range of speeds 1, 1/2, 1/4, 1/8, 1/15, 1/30, 1/60, 1/125, 1/250, 1/500, 1/1000 sec. plus T., B. and X contact.
SINGLE MOTION FILM ADVANCE & SHUTTER SETTER: Setting of the shutter and advancing of the film is made simultaneously.
NO DOUBLE EXPOSURES: Accidental double exposures are effectively prevented. Double and muItiple exposures can be made if necessary.
RANGE-VIEWFINDER: A novel image magnification range-view finder provides correct fields of view for 50mm, 100mm and 135mm lenses and permits quick, accurate focusing. Adjustments are made by a simple three positional lever. This device is patented in Japan.
BODY SYNCHRONIZATION: An internal flash synchronization system permits the use of F.P. bulbs at all shutter speeds marked on the camera. Speed light and peak bulbs may also be used with perfect results at a limited range of shutter speeds. This device is patented both in Japan and U.S.A.
FILM SPEED DIAL: The type of the film loaded can be seen easily from the dial giving the speed in ASA values.
INTERCHANGEABLE LENSES: Canon lenses whose focal lengths range from 28mm to 135mm can be accurately coupled to the range-finder of all Canon cameras. All glass-to-air element surfaces are hard-coated to reduce internal reflection and increase transmission.
ACCESSORIES: Over 130 varied accessories increase the already outstanding adaptability of the Canon camera and make it exceptionally versatiIe.
SPECIALIZED USES: A high degree of accuracy, coupled with smooth and rapid operational adjustment, makes the Canon camera suitable for scientific and other professional work, such as the recording of scientific phenomena, results of experiments and the copying of drawings and documents. Highly efficient specialist accessories such as the copying apparatus, photo-micrographic unit and photo-oscilloscope unit help to give the Canon camera a place high on the list of scientific achievement.
CANON RAPID WINDER: Permits successive exposures with extreme speed; it consist of an especially designed baseplate which may be interchanged with the standard baseplate. Canon rapid winder has a trigger which slides into groove and is operated by pulling it along the groove, this action enables to wind the shutter and move the film to the next section.
Manufacturer description #4
35 mm Canon Camera, frame 24 X 36 mm. Focal plane shutter with two dials for setting speeds: high speed dial sets speeds of 1/30, 1/60, 1/125, 1/250, 1/500, 1/1000 sec. and Bulb (B); slow speed dial sets speeds of 1/30, 1/15, l/8, 1/4, 1/2, 1 sec. and Time (T). Built-in synchronization for flash bulbs and speedlight (electronic flash); for speedlight synchronization both dials are set on "X" mark; side mounting bracket with built-in electrical terminal for Canon Flash Unit model Y or for adapter to connect speedlight unit, etc. Single eyepiece for both range and view-finder, with adjustable field-of-view for 50 mm, 100 mm or 135 mm lenses, or for magnification (1.5 X) of subject to permit critical focusing. Telescopic film take-up spool to facilitate removal; shutter winding knob has film reminder scale with ASA ratings and also total film length reminder; die cast body luxuriously finished in satin chrome with black-grained vinyl covering.
Manufacturer description #5
The world’s first camera of its kind to feature X-sync for Speedlites. The camera’s precision and finish was high. A historic model in Japan’s camera history.
It was intended to be the successor to the IV S. FP-sync and X-sync were provided for flash.
From the editor
The weight and dimensions are indicated for the camera body with the Canon Serenar 50mm F/1.8 lens mounted.
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