Agfa-Gevaert (Belgique)
Agfa Copex Rapid 50
ISO 25 specialty ultra-fine Expert
~10–15 €
A panchromatic document B&W film, ISO 25 — the parent emulsion for many repackaged films (Rollei Copex Rapid, Argenti Nanotomic-X). Virtually nonexistent monodisperse grain, ~600 lp/mm resolution, polyester base. Made in Belgium by Agfa-Gevaert for industrial micrography.
Atouts
+ ~600 lp/mm resolution
+ Virtually invisible monodisperse grain
+ A sturdy polyester base
+ Still in production
Limites
− ISO 25 — plenty of light needed
− A special developer recommended
− Very high contrast without a suitable developer
Agfa Copex Rapid is the emulsion behind several 'mysterious' films — Rollei Copex Rapid and Argenti Nanotomic-X are both repackaged versions of it. Made since the 1940s, originally for industrial microfilming and archiving. According to some sources, it was used by the KGB for microfilming.
Caractéristiques techniques
Grain
ultra-fine
Contraste
very high
Latitude
+1/-0.5
Popularité
niche
Format 120
Non disponible
Nombre de poses
36 poses
Base du film
Polyester
Sensibilité spectrale
Panchromatic
Conservation
refrigeration recommended
Péremption typique
3–5 years
Développement maison
yes — expert
Niveau recommandé
Expert
| Process | N&B standard (révélateur adapté) |
| Révélateurs | Spur Dokupan, Rodinal (1:100), Agfa Studional |
| Temps / température | 20°C — Rodinal 1:100 : 20 min (stand) |
| Usage recommandé | technique, micrographie, architecture |
| Revendeurs France | Fotoimpex · Macodirect · Analog Wonderland |
