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Fuji Neopan 100

Fujifilm Neopan 100 Acros is an ultra-fine-grain ISO 100 black-and-white negative film celebrated for its world-class granularity, wide tonal range, and exceptional reciprocity characteristics. The original Acros was discontinued in 2018; Acros II relaunched in November 2019 with a reformulated emulsion and is the current production version.

Key specs

Brand
Fuji
Model
Neopan 100
ISO
100
Process
BW
Formats
135, 120
Production status
In production
Introduced
2000

Grain

ultra-fine

Contrast

medium-high

Saturation

Unknown

Latitude

Unknown

Rendering profile

Sharpness
very high

Technical details

Handling notes

Storage
Cool, dry conditions; refrigerate for long-term storage

Profile notes

Fujifilm Neopan 100 Acros (and its successor Acros II) is a panchromatic black-and-white negative film known for producing some of the finest grain of any ISO 100 film ever made. Originally introduced in 2000 under the Acros name—a rebrand of the earlier Neopan 100 SS—the film earned a devoted following for its rich three-dimensional tonal gradation, high acutance, and remarkably stable reciprocity performance. The original Acros was discontinued in April 2018 due to loss of key raw materials. In June 2019, Fujifilm announced a reformulated successor: Neopan 100 Acros II, which began shipping in Japan in November 2019 and reached international markets by early 2020. Acros II employs Super Fine-Σ Grain Technology (RMS granularity of approximately 7, finer than Fuji Provia 100F and Kodak Ektachrome E100) alongside PIDC (Precision Iodine Distribution Control) for consistent development across both hand-tank and machine processing. The film's hallmark reciprocity behaviour—no compensation needed for exposures up to 120 seconds, only ½ stop for 120–1000 seconds—makes it a favourite for long-exposure landscape and architectural work. Available in 35mm and 120 formats. Develops in standard black-and-white chemistry (D-76, Rodinal, HC-110, etc.).

Aliases

Neopan 100 AcrosAcros IINeopan Acros IINeopan 100 Acros IINeopan 100 SS

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