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The Adox CMS 20 II Professional 4 x 5" Black and White Negative Film is an extremely high resolution, fine-grained film featuring a slow nominal sensitivity of ISO 20/14° when developed with the recommended Adotech II developer. Slower speeds can be used to reduce overall contrast or when utilizing other developers. A unique monodisperse emulsion layer provides high sharpness and resolution with virtually no perceivable grain, and a anti-halation layer has also been incorporated between the emulsion and film base to maintain consistent sharpness void of halation effects. The film's base is completely transparent, making it well-suited for scanning and copy work, as well as reversal processing techniques (using Adotech II as a first developer) for projection. Its orthopanchromatic sensitivity is a responsive to all light and requires no filtration for pictorial applications.
This item is one box of 50 sheets of 4 x 5" sheet film.
Table of Contents
Black and white negative
4 x 5" / 10.2 x 12.7 cm
ISO 20/14° (for reduced contrast situations)
ISO 16/12° (for normal contrast situations)
ISO 6/9° or lower if developed in chemistry other than Adotech II
Development with Adotech II developer, requires acidic stop bath prior to fixing
Can be processed in standard black and white chemistry at slower film speeds
Anti-halation layer between emulsion and base material
1000:1 = 800 lp/mm
RMS = 14 (at density 1.0 with a focal opening of 25μ)