Rollei RPX 25 4x5 (25)
Rollei RPX 25 sheet film 4x5" 25 sheets
Rollei RPX 25 is a low-speed panchromatic black and white film with a nominal sensitivity of ISO 25/15°. Aside from the extraordinarily fine grain, the Rollei RPX 25 has great resolving power and high acutance. Rollei RPX 25 is characterized by a high sensitivity reserve of one f-stops, depending upon development. The thin, silver-rich emulsion is coated onto a crystal-clear base and offers an excellent balance between image quality (sharpness/fine grain) and speed yield. Summary of important product features:
- low-speed panchromatic film, ISO 25/15°
- resolving power contrast 1000:1 = 260 lines/mm
- RMS granularity (x1000) = 8
- extended exposure latitude (between 12 and 50 ISO)
- good for push/pull processing
- good tone reproduction
- great maximum density
- transparent = ideal for scanning and as a slide
- anti-curling layer ensures optimum flatness
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