SPUR Photochemie (Allemagne)
SPUR Ultra R 800
ISO 800 specialty ultra-fine Expert
~15–20 €
An orthopanchromatic document B&W film, ISO 800 — made by SPUR Photochemie (Langerwehe, Germany). Ultra-high resolution of 800 lp/mm, an AHU anti-halation coating, extended red sensitivity. Exposable from ISO 6 to 50 for maximum resolution. A high-precision technical film.
Atouts
+ 800 lp/mm — a world-record resolution
+ Orthopanchromatic — correct tonal rendering with no yellow filter
+ AHU anti-halation coating
Limites
− Exposable only at ISO 6–50 for maximum resolution
− A SPUR developer is recommended — complex times
− Very limited distribution
SPUR Photochemie (Speed Photography + Ultrahigh Resolution) is a small German company specializing in ultra-high-resolution technical films and developers. The Ultra R 800 is their flagship film — at 800 lp/mm it far outperforms Kodak Technical Pan (320 lp/mm) and Argenti Nanotomic-X (600 lp/mm). Used mainly in micrography and scientific photography.
Caractéristiques techniques
Grain
ultra-fine
Contraste
high
Latitude
+1/-0.5
Popularité
niche
Format 120
Non disponible
Nombre de poses
36 poses
Base du film
Polyester
Sensibilité spectrale
Orthopanchromatique
Conservation
refrigeration recommended
Péremption typique
3–5 years
Développement maison
yes — expert
Niveau recommandé
Expert
| Process | N&B standard (révélateur SPUR recommandé) |
| Révélateurs | SPUR HRX, SPUR Dokupan, Rodinal (1:100) |
| Temps / température | 20°C — SPUR HRX : selon datasheet |
| Usage recommandé | technique, micrographie, architecture |
| Revendeurs France | Fotoimpex · Macodirect · Analog Wonderland |
