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"R" is a panchromatic paper designed for photo booth, converted and perforated to be used in classic 135 cameras. Processed in specific reversal chemistry it givesa 35mm perforated stripe with small 24x36mm positive pictures.
This film can be loaded in classic processing reels and must be processed manually with specific chemistry for black & white slide, such like reversal kits by FOMA, ADOX, ROLLEI or BELLINI. The paper base of the film being much thicker, the re-exposure time will be increase by 50 %. It is possible to use the same processing time as FOMA PAN R.