Hi,
I have here 50 Sheets of Orwo FO1 "fototechnischer Film" (exp 1989), new unopened box...
It says "Normal arbeitendes Halbtonmaterial - Orthochromatisch - blank-clear base" (normal working half-tone Material)
Do you have some tipps for estimated sensitivity of this film,
developing (in ID11?), and good (or bad) motivs for Ortho Film, have only Pan experience...
I got a tip that it should be similar to a Adox CMS20... that should mean ISO 16 guessed???
It is a graphic arts film intended for copy use. I don't think it compares to any taking film. It has a very thin base and is usually processed in a special developer (ORWO A71, which is very close to paper developer), much stronger than film developer. Your FO1 is well suited for regular photography. There were different types of film: FU unsensitized (blind to every color except blue), FO orthochromatic (blind to red light, can be handled with a red safelight), FP panchromatic (must be handled in total darkness).
There were versions with different contrast, given in gamma. I have seen 1, 3, 5, and 6. 5 and 6 are extremely hard, but can be overexposed and underdeveloped to show a scale of grays (I rate them at 1.5 ASA). 3 works well with regular film developer (I rate it at 12 ASA). 1 should work well with paper developer or strong solutions of film developer (I have no experience concerning EI). After all these years, many of my boxes show a stronger density around the edges of every sheet, probably very high base fog.
Try the film, it should be fun. It's a good starter film, because you can load and process it by sight. It feels very flimsy, and I don't think that it comes even close to the quality of a decent general-purpose b/w film.
thanks for your answer! I will try...
How will I know where the emulsion side is of the Orwo FO1?
My Foma has a nose up right when you lokk to the emulsion side. Is sthis standard with all sheet films?
Does anyone know the Agfa N33p ? Sould be an halfrone-ortho-Film???
Yes. ORWO didn't identify different films with different notch codes, though. They all have a singe triangular notch. |---------v--|Originally Posted by Xipho
I did the first testing today...
looks good. The 12 ASA tip seems very good.
took 12 ASA f8 1/4 sec and developed in ID11 stock 10 min ...
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