
Ansco / GAF (États-Unis)
Ansco Ultra-Speed 100
ISO 100 N&B pronounced intermediate
expired stock (extremely rare)
A very-high-speed panchromatic ISO 100 B&W film — Ansco's fast film, medium grain, a competitor to Kodak Tri-X of its era. Available in 35mm and 120. Discontinued in 1967 when rebranded GAF.
Atouts
+ ISO 100 — high speed for its time
+ Expressive medium grain
+ A historic press film
Limites
− Discontinued in 1967
− Extremely rare
The Ansco Ultra-Speed 100 was Ansco's fast film of the 1940s-60s — an ISO 100 speed was considered 'very high speed' at the time, hence the name. Used by American press photographers who needed low-light responsiveness.
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) |








