KONICA PEARL III
The Konica Pearl III is a folding medium format camera made by Konica (then known as Konishiroku) between 1955 and 1960. It is the last of the Pearl series. It made modest but real improvements over its predecessors in ergonomics, lens quality, and mechanical reliability.
Overview
The Pearl III came out in 1955 as the third and most refined of Konica's 6x4.5cm folding roll-film cameras. It was an affordable medium format option aimed at amateurs and enthusiasts who wanted better image quality than 35mm cameras could give, without the expense or complexity of larger professional systems. It succeeded the Pearl II and added a redesigned body, an improved focusing mechanism, and an enhanced lens assembly. The bellows let the lens standard collapse into the body, so the camera packed small and traveled easily.
Konica, still operating under the full name Konishiroku, was expanding its product line fast in the mid-1950s. It was moving from photographic paper and chemicals into full camera manufacturing, and the Pearl III was a key part of that plan, balancing quality and price. It was marketed as a "snapshot" medium format camera, but it could make high-resolution negatives good enough for enlargements. It used 120 roll film and gave sixteen 6x4.5cm exposures per roll, a popular format in Japan and Europe for its balance of negative size and frame count.
The Pearl III belonged to a broader trend in postwar Japan: precision-engineered cameras that could compete with European models at lower prices. It was not as advanced as contemporaneous TLRs like the Rolleiflex or SLRs like the Asahiflex, but it offered simplicity and portability. The design stressed ease of use, with a fixed lens and shutter system that needed minimal user intervention. Despite the modest feature set, it showed Konica's growing expertise in optical engineering and mechanical design, and it led toward more sophisticated models like the Konica Auto Reflex series in the 1960s.
Specifications
| Specification | Value |
| Type | Folding viewfinder camera |
| Film Format | 6x4.5cm on 120 roll film |
| Years Produced | 1955–1960 |
| Lens Mount | Fixed lens (non-interchangeable) |
| Lens | Hexar 75mm f/3.5 (4 elements in 3 groups) |
| Aperture Range | f/3.5 to f/22 |
| Shutter | Konica Synchro-Kompass leaf shutter |
| Shutter Speeds | 1 sec to 1/300 sec, plus B |
| Flash Sync | Yes, via PC terminal (X-sync at all speeds) |
| Metering | None (manual exposure) |
| Exposure Modes | Manual only |
| Viewfinder | Optical frame-type viewfinder with parallax correction marks |
| Focusing | Scale focusing with helical focus mechanism (from 3.3 ft to infinity) |
| Film Advance | Red window with frame numbers on back |
| Dimensions | Approx. 130 x 90 x 55 mm (folded); 130 x 90 x 105 mm (unfolded) |
| Weight | Approx. 580 g (without film) |
Key Features
- Hexar 75mm f/3.5 lens: A high-quality, four-element optical design known for sharpness and contrast, derived from the renowned Hexanon line.
- Synchro-Kompass leaf shutter: Offers a wide range of shutter speeds from 1 second to 1/300 sec, with flash synchronization at all speeds.
- Compact folding design: Bellows collapse into the body for portability, making it one of the more travel-friendly 6x4.5cm cameras of its era.
- Parallax-corrected viewfinder: Includes framing guides for near and far distances to improve composition accuracy.
- Red window film advance: Simple and reliable, with numbered frames visible through the back for precise winding.
Historical Context
The Pearl III was released while the Japanese camera industry was changing fast. In the mid-1950s, Japanese manufacturers were gaining international recognition for well-engineered, affordable cameras that challenged German dominance of the market. The Pearl III entered a crowded segment of folding cameras from brands like Minolta (Autocord variants), Petri, and Fujica, along with TLRs and early SLRs. It lacked the dual-lens reflex design of premium models, but it offered a sharp lens, a reliable shutter, and medium format image quality in a compact body.
Konica's plan with the Pearl series was to provide an accessible entry point into medium format. The Pearl III refined the focusing mechanism - earlier Pearls used less precise sliding focus systems, while the III introduced a helical focus mount for smoother, more accurate adjustments. The updated body also had a more rigid folding mechanism and improved leather covering, which helped durability. It had no built-in metering or automatic exposure, but it was well received in domestic and export markets for its optical performance and build quality. It was particularly popular among students, hobbyists, and photo clubs in Japan, where medium format roll film was widely adopted.
Collectibility & Value
Today the Pearl III is moderately collectible, valued more for its history and optics than for rarity. It is not as sought-after as contemporaneous Rolleiflex or Yashica TLRs, but it has a niche following among collectors of Japanese folding cameras and Konica enthusiasts. In good working condition, with a clean lens and functional shutter, it typically sells for $150 - $300 USD. Cameras with original cases, instruction manuals, or accessories may command higher prices. The Hexar lens is a key factor in valuation, and units with haze-free glass and smooth aperture blades are preferred.
When buying a Pearl III, inspect the bellows for pinholes or deterioration, since these can compromise image quality. Test the Synchro-Kompass shutter at all speeds, because lubricants can dry out over time and make the timing inaccurate. The red window should be intact and free of cracks, and the film pressure plate should be flat to keep the film plane aligned evenly. The camera uses no batteries and has no electronic components, so it is generally reliable if mechanically sound. The red window advance system does need attention to avoid overlapping frames, a common problem for inexperienced users.
Similar Cameras
- Minolta Autocord III (1958) – TLR with 75mm f/3.5 lenses, offering superior focusing and build at a higher price.
- Fujica Six III (1958) – Folding 6x6cm camera with interchangeable lenses, larger format but less portable.
- Petri 35mm RF with 120 back – While primarily 35mm, some Petri models offered medium format backs, providing format flexibility.
- Yashica 44 (1958) – Compact 6x4.5cm folder with Yashinon lens, similar in concept and target market.
- Rollei 4×4 (1961) – Later Rollei folding camera for 127 film, smaller format but similar design philosophy.
Repair & Maintenance
The Pearl III needs no batteries and runs entirely mechanically, so it lasts a long time with proper care. The main maintenance concerns are the leaf shutter and the bellows. The Synchro-Kompass shutter should be serviced by a technician experienced with vintage leaf shutters, as incorrect disassembly can cause timing errors. Common problems are slow shutter speeds from dried lubricants or stuck blades. The bellows are made of accordion-fold black leather and fabric, and over time they may develop pinholes or lose light-tightness. Replacement bellows are rare but can be custom-made by specialist restorers.
The Hexar lens is generally sturdy, but internal haze or fungus can occur if the camera has been stored in humid conditions. Aperture blades should move smoothly and fully close at f/22. Limit cleaning to the front and rear elements, using appropriate lens solution and a microfiber cloth. Keep the red window clean and free of flaking paint, which can obscure frame numbers. Because the camera uses a red window for film advance, advance the film carefully and check the numbers in low light to avoid exposure. The Pearl III is a low-maintenance camera for occasional use, provided it has been stored properly and gets periodic mechanical inspection.
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