Fuji* Fujinon for GX680
Overview
Fujinon GX680 lenses are a specialized line of lenses designed for the Fujifilm GX680 series of medium format single-lens reflex (SLR) cameras. These cameras, known for their large size and extensive features, are often considered a bridge between medium format SLRs and large format view cameras. The lenses are a key part of this unique system, and they have several defining characteristics:
Key Characteristics:
  • Large Image Circle: Fujinon GX lenses are designed to cover the camera's large 6x8 cm film format. They have a massive image circle (120mm for most lenses), which is crucial for enabling the camera's extensive movements. This large image circle allows the photographer to use the camera's built-in bellows system for tilt, shift, rise, and fall movements without vignetting. This is a significant advantage for architectural and product photography, as it allows for perspective control and selective focus, similar to a large format camera.
  • Modular "Boxy" Design: The lenses are characterized by their distinct, boxy housing. This housing is designed to fit directly onto the camera's lens board, which in turn mounts on the camera's focusing rail. This design is what enables the various camera movements and allows for a standardized mounting procedure for all lenses in the system, from wide-angle to telephoto.
  • Bellows Focusing: Unlike most SLR systems where the lens barrel extends for focusing, the Fujinon GX680 lenses are focused by moving the entire front standard (the lens and lens board) forward and backward on a rail using the camera's bellows. This allows for extremely precise focus control and a wide range of focusing distances, including close-ups.
  • The GX680 series have an electronically controlled camera with a motorized film advance, which automates winding and framing after each shot. This was a significant feature for its time, allowing photographers to focus more on composition.
  • EBC Coatings: Like many of Fujifilm's high-end optics, Fujinon GX lenses feature EBC (Electron Beam Coating). This multi-coating technology reduces flare and ghosting, ensuring excellent image contrast and color fidelity.
In summary, the specialized nature and large size of the Fujinon GX680 system mean that these lenses are not easily adaptable to other camera systems. However, for photographers who value the precision and creative control of a large format camera in a medium format SLR body, the Fujinon GX680 lenses are a testament to advanced optical and mechanical engineering.
Evaluation
 
 
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