Fotokemika / Efke (Croatie)

Efke KB21 80

ISO 100 N&B fine all levels

expired stock

A high-silver-content B&W film, ISO 100 — the fastest film in the standard Efke line, based on the 1950 ADOX formula. Single-layer emulsion, classic grain, soft rendering. Sold as Adox CHS 100 by Fotoimpex. Today's Adox CHS 100 II carries on this heritage.

Atouts

+ High silver content — deep tones

+ A classic formula unchanged since the 1950s

+ ISO 100 — versatile

Limites

− Discontinued — expired stock only

− Fragile emulsion when wet

The KB 100 was the most versatile film in the Efke line, combining the characteristic high silver content with a practical ISO 100 speed. Its 1950s ADOX formula made it a film from another era — literally.

Caractéristiques techniques

Grain

fine

Contraste

medium

Latitude

+2/-1

Popularité

cult classic

Format 120

Non disponible

Nombre de poses

36 poses

Base du film

Acetate

Sensibilité spectrale

Panchromatic

Conservation

refrigerator (older stock)

Péremption typique

expired film

Développement maison

yes — easy

Niveau recommandé

all levels

Process	N&B standard
Révélateurs	Rodinal (1:50), D-76, HC-110
Temps / température	20°C — Rodinal 1:50 : 13 min · D-76 stock : 10 min
Usage recommandé	portrait, landscape, street
Revendeurs France	Expired stock — eBay, secondhand markets