With its superb, precision-ground Nikkor lenses, the first Bronica became an instant success. Bronica SLR cameras employ a modular design: the major components of the camera — lens, body, film back, and viewfinder — are separate and interchangeable. Bronica cameras were mainstays of wedding and portrait photographers for many years, and their relative affordability made them popular with amateur photographers as well. As the company expanded, Bronica would later introduce lenses of its own design, along with continued refinements and new models of the Bronica SLR, in different rollfilm formats. A rangefinder model, the RF in 4. Tamron , a large Japanese lens manufacturer and a supplier of lens elements, eventually acquired Zenza Bronica Ltd.

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It is a completely modular camera, with several optional focusing prisms and viewfinders with and without exposure metering , lenses, and film backs. Tamron ended production of GS-1 cameras and lenses in June , with sales continuing until stocks were depleted [2]. During the design phase a 1 shutter with a larger 30mm aperture was considered. The choice of a 0 shutter was then made even if it restricted the possibility of large aperture lenses, especially of longer focal lengths.

Designing the new PG-lenses for the small shutter aperture, Bronica emphasized correction of aberrations, reducing vignetting and a unified color balance for the whole series, with particular attention paid to distortion, aberrations, field curvature and chromatic aberration for the wide angle lenses.

The body, back base and mount are made of a die cast light alloy. The mount is stainless steel, while the front, left and right body covers are made of reinforced plastic. The body weighs g. The last 12 or so had small updates to the finish black buttons.

One camera serial has been noted with a brown leather finish similar to certain other Bronica special editions , and a 80mm F3. This was possibly a one off for promotional use when the 80mm F3. Lenses Lens block chart.


Tamron BRONICA GS-1 Owner Manual

Voodoodal The back cover will automatically close and lock. Press the shutter button Then after I wind again, and try to fire the shutter, the shutter opens, but it doesnt close. Furthermore, keep such batteries in an inside pocket. Pointers On Shooting Upon attaching the film back, always pull out the dark slide from its slit. To return to normal shooting, after shooting with the mirror locked up in the continuous mode, rotate the mirror lock-up switch lever and set S or N to the index; then, cock the shutter. Distance scales on the Zenzanon PS lenses can be used for focusing at the required distance or finding the distance actually focused. This is because proper exposures are obtained with exposure measurements made at the full aperture.


BRONICA Camera Manuals

The GS-1 is superior in terms of design, quality of the lenses and smoothness of function. But there is nothing flimsy about this body at all. There is a full line of accessories, including a rotating view finder that makes portrait orientation much easier. This camera is most likely to get compared with the Mamiya RB and RZ lines because they are similar in design; i. They also employ lens shutters. But the focusing mechanism is quite different. And while all three systems control aperture from a ring on the lens, the GS-1 is the only one that controls shutter speed from the camera body and not the lens.


Bronica Accessories - Bronica printed manual

Page 6: Loading The Battery 1. Loading the Battery The electronically controlled shutter and, of course, the electro-magnetic shutter release system will not work without loading the battery. Use one 6 volt silver oxide battery or alkaline-manganese battery. Take full advantage of the multi-format superiority of the GS-1 and use film backs in many different formats, which will not only give you different effects but will econ- omize on film.

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