Tamron ended production of GS-1 cameras and lenses in June 2002, with sales continuing until stocks were depleted.
It is a completely modular camera, with several optional focusing prisms and viewfinders (with and without exposure metering), lenses, and film backs. In addition, lens hoods can offer some degree of physical protection for the lens due to the hood extending farther than the lens itself.Introduced in March 1983, the Bronica GS-1 in 6×7 cm format was the largest SLR produced by the company and the first medium format camera with TTL flash metering. Lens hoods are often designed to fit onto the matching lens facing either forward, for normal use, or backwards, so that the hood may be stored with the lens without occupying much additional space. For wide angle lenses, the length of the hood cannot be as long as those for telephoto lenses, as a longer hood would enter the wider field of view of the lens. Lens hoods are more prominent in long focus lenses because they have a smaller viewing angle than that of wide-angle lenses. This allows the lens hood to block stray light with the higher portions of the lens hood, while allowing more light into the corners of the image through the lowered portions of the hood. The geometry of the lens hood can vary from a plain cylindrical or conical section to a more complex shape, sometimes called a petal, tulip, or flower hood. This stray light often comes from very bright light sources, such as the sun, bright studio lights, or a bright white background. Flare occurs when stray light strikes the front element of a lens and then bounces around within the lens.
#BRONICA SQ WEIGHT FULL#
The Zenza Bronica SQ has been designed to take full advantage of the square 6cm x 6cm medium format and has been developed as a complete modular "system" camera, with a very high degree of interchangeability in lenses, finders, focusing screens, film backs, etc.Ī lens hood or lens shade is a device used on the end of a lens to block the sun or other light source in order to prevent glare and lens flare. Optional types are (1) central matte spot, (2) full-area matte with grid-lines, (3) microprism spot and (4) split-image rangefinder spot.įlash synchronization: X-setting (up to 1/500 sec.).īattery checking: Red-colored LED lights up at front end of finder, outside screen area, when battery check button is depressed also doubles as shutter closing signal.īattery: Single 6-volt silver oxide battery (Eveready 544, Mallory PX-28 or 4G13) or alkaline-manganese battery (SR44). Standard type, supplied with camera, has split-image rangefinder spot surrounded by microprism ring and full-area matte screen. Multiple exposure: Multiple exposure possible with lever on camera body.įilm back: Daylight loading interchangeable type exclusive backs for 120 (12 exposures) and 220 (24 exposures) roll films (supplied with Film Back SQ 120) with ASA film speed dial coupling to CdS MF Finder S and CdS MM Finder S, when attached.įinder: Interchangeable finder system (no finder specified as standard type).įocusing screen: Interchangeable type.
#BRONICA SQ WEIGHT PLUS#
to 1/500 sec., without intermediate settings, plus T (time exposure) mechanical control 1/500 second. Shutter: Electronic control SEIKO #0 between-lens leaf shutter shutter speeds 8 sec. Lens diaphragm: Fully automatic instant reopening lens diaphragm action equal-distant aperture scale graduations depth of field previewing. Lens mount: Exclusive four-claw Bronica SQ bayonet mount.įocusing: Helical focusing system built into each lens. Type: 6cm x 6cm format lens shutter single lens reflex camera, with interchangeable lens, film back, finder and focusing screen systems.įilm: 120 roll film (12 exposures) and 220 roll film (24 exposures), with exclusive film backs.
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