Adox (Allemagne)
Adox CHS 25
ISO 25 N&B ultra-fine Expert
expired stock
An orthopanchromatic ISO 25 B&W film — the slowest film in Adox's CHS line, derived from the Efke KB 25 emulsions. Ultra-fine grain, spectral sensitivity slightly reduced in red (orthopanchromatic), excellent resolution. A very thin triacetate base.
Atouts
+ Ultra-fine grain — exceptional resolution
+ Orthopanchromatic — dramatic skies with no filter
+ A very thin triacetate base
Limites
− Discontinued
− ISO 25 — plenty of light needed
− A fragile emulsion — max 20°C
Adox CHS 25 is one of the rare modern orthopanchromatic photographic films — its reduced red sensitivity gives skies a dramatic rendering with no yellow filter. Descended from the long tradition of Efke/Adox emulsions from Yugoslavia/Croatia, considered direct heirs of the 1950s AGFA emulsions.
Caractéristiques techniques
Grain
ultra-fine
Contraste
medium
Latitude
+1/-0.5
Popularité
Rare
Format 120
Non disponible
Nombre de poses
36 poses
Base du film
Acetate
Sensibilité spectrale
Orthopanchromatique
Conservation
refrigerator (older stock)
Péremption typique
expired film
Développement maison
yes — intermediate
Niveau recommandé
Expert
| Process | N&B standard |
| Révélateurs | Rodinal (1:50), D-76, Perceptol, Atomal 49 |
| Temps / température | 20°C — D-76 stock : 7 min (ne jamais dépasser 20°C) |
| Usage recommandé | landscape, architecture, studio |
| Revendeurs France | Expired stock — eBay · Fotoimpex |
