Silberra (Russie)
Silberra U400
ISO 400 N&B medium all levels
~10–15 €
An ISO 400 B&W film — a hybrid tabular + cubic grain emulsion, an ultra-thin clear polyester base. High resolution, wide tonal range, natural rendering. ULTIMA series. Exposable at ISO 200–800. 37 exposures (bonus frame thanks to the clear base).
Atouts
+ High resolution
+ 37 exposures — a bonus frame
+ Clear base — optimal scanning
+ Exposable at ISO 200–800
Limites
− Loading in dim light required
− Limited stock
The U400 gives 37 exposures instead of 36 — the clear base allows loading without losing the first frame if loaded in diffuse light. Same emulsion as the U200 but pushed to ISO 400.
Caractéristiques techniques
Grain
medium
Contraste
high
Latitude
+2/-1
Popularité
niche
Format 120
Non disponible
Nombre de poses
36 poses
Base du film
Polyester
Sensibilité spectrale
Panchromatic
Conservation
refrigeration recommended
Péremption typique
2–5 years depending on storage
Développement maison
yes — easy
Niveau recommandé
all levels
| Process | N&B standard |
| Révélateurs | Rodinal (1:50), D-76 (1:1), XTOL, ID-11 |
| Temps / température | 20°C — D-76 1:1 : 12 min · Rodinal 1:50 : 15 min |
| Usage recommandé | street, portrait, landscape |
| Revendeurs France | Retrocamera.be · Ateliers Marinette |
