Ansco / GAF (États-Unis)
Ansco Super Hypan 400
ISO 400 N&B pronounced intermediate
expired stock (very rare)
A panchromatic ISO 400 B&W film (formerly rated ASA 320-500 depending on the era) — a high-speed film from Ansco available in 35mm and 120. Pronounced grain, contrast that varies with development, generous latitude. A direct competitor to Kodak Tri-X. Rebranded GAF Super Hypan after 1967. Used by the US military in bulk 100-foot rolls.
Atouts
+ ISO 500 — very high speed for its time
+ Expressive grain
+ A historic competitor to Tri-X
Limites
− Discontinued in 1977 — very old
− Extremely rare
The Super Hypan was Ansco's answer to Kodak Tri-X — a high-speed film for photojournalism and low-light photography. Its nominal 500 ISO speed was exceptional for its time. Some American press photographers preferred it to Tri-X for its more expressive grain.
Caractéristiques techniques
Grain
pronounced
Contraste
high
Latitude
+2/-1
Popularité
Rare
Format 120
Non disponible
Nombre de poses
36 poses
Base du film
Acetate
Sensibilité spectrale
Panchromatic
Conservation
congelateur-stock-ancien
Péremption typique
expired film — very old
Développement maison
yes — intermediate
Niveau recommandé
intermediate
| Process | N&B standard |
| Révélateurs | HC-110, D-76, Rodinal |
| Temps / température | 20°C — HC-110 dil.B : 8 min (à ajuster selon âge) |
| Usage recommandé | street, documentary, basse lumière |
| Revendeurs France | Expired stock — eBay (extremely rare) |
