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Photo Forum / Film Photography / Darkroom / July 2004ilford pan 100 = ilford HP5 plus?
Hello, I bought a few 35mm rolls of Ilford PAN 100 recently in India. The speed specified is ASA 100. I developed the roll and like the results very much. However the edge marking clearly says "Ilford HP5 Plus". Also there is a number, I think it is: 4307. On the web I find that Ilford HP5 Plus is a 400 speed film! So I would like to know more about this. What is the real speed of this Ilford PAN 100? Can anyone please help? Thanks, Sreenath I think you've caught Ilford in a curious labeling mistake! HP5 Plus is of course a 400 speed film. It has enough exposure latitude that if exposed at 100, it will produce pictures, especially if not overdeveloped. > Hello, > [quoted text clipped - 12 lines] > Thanks, > Sreenath > I think you've caught Ilford in a curious labeling mistake! It's probably not a mistake. It's more of what is now called a "re-tasking". > HP5 Plus is of course a 400 speed film. It has enough exposure latitude > that if exposed at 100, it will produce pictures, especially if not > overdeveloped. Remember this was from India, a country where people parking their Mercedes' have to be careful not to run over the people sleeping in the street who got there first. Monochrome photography still makes economic sense especialy with cheap fixed focus and exposure point and shoot cameras. By exposing HP5 plus at ISO 100 and reducing development you can get good negatives. The same thing is done here with ISO 200 color negative film. Geoff.  SignatureGeoffrey S. Mendelson, C.T.O. GW&T Ltd., Jerusalem Israel gsm@mendelson.com gsm@gwandt.com IL Voice: 972-544-608-069 IL Fax: 972-2-648-1443 U.S. Voice: 1-215-821-1838 > Monochrome photography still makes economic sense especialy with cheap > fixed focus and exposure point and shoot cameras. Here in the land of US, color costs less: processing, film, paper & chemicals. I think color works better in bad cameras. It makes up for lack of contrast and a fuzzy lens, and the exposure latitude of color is pretty huge. Color also works better with every day subjects. Oh Wow! color can be had for a few colored balloons and a blue sky, making up for so-what subject matter, composition and lighting. Old black & white snapshots are uniformly dull: grey on grey or soot on chalk, no texture, white or grey skies: It was as if everyone lived in East Berlin before it was colorized. YMMV SignatureNicholas O. Lindan, Cleveland, Ohio Consulting Engineer: Electronics; Informatics; Photonics. Remove spaces etc. to reply: n o lindan at net com dot com psst.. want to buy an f-stop timer? nolindan.com/da/fstop/ So what does this mean? I would be delighted to have a real 400 speed film. That gives me flexibility in exposure especiall in low light using colour filters. Or is it possible that this is 400 speed film that somehow failed to meet the quality standards, and hence had to be degraded? Thanks, Sreenath > I think you've caught Ilford in a curious labeling mistake! > [quoted text clipped - 18 lines] > > Thanks, > > Sreenath > So what does this mean? I would be delighted to have a real 400 speed > film. That gives me flexibility in exposure especiall in low light > using colour filters. > > Or is it possible that this is 400 speed film that somehow failed to > meet the quality standards, and hence had to be degraded? That is possible. Another possibility is that a batch of 100-speed film was mistakenly edge-labeled with the wrong labeling at the factory -- and no one would notice until it was developed. >> So what does this mean? I would be delighted to have a real 400 speed >> film. That gives me flexibility in exposure especiall in low light [quoted text clipped - 6 lines] > mistakenly edge-labeled with the wrong labeling at the factory -- and no one > would notice until it was developed. Or they did notice and that's why it was packaged Pan 100. Instead of tossing otherwise good film they sent it out in a budget package. Nick Thanks for all the responses. I will try to expose one roll at 400 ASA to see if this can work satisfactorily at that speed. > >> So what does this mean? I would be delighted to have a real 400 speed > >> film. That gives me flexibility in exposure especiall in low light [quoted text clipped - 11 lines] > > Nick Ilford PAN 100 is not HP5. It's a 100 ASA film. You can get the specs from the Ilford site. There is a Ilford PAN 400 also. And in India, B&W photography is costlier than color photography. It's not that different from US. |
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