david_hay1 Posted September 25, 2006 Share Posted September 25, 2006 Hello all, I apologise if this is inappropriate! Does anybody have any supply of Konica IR750 120 film? I have only a few rolls left and would be interested to buy more. best wishesDavid Link to comment Share on other sites More sharing options...
Fotohuis RoVo Posted September 26, 2006 Share Posted September 26, 2006 Due to the fact discontinued film will be outdated which is often a serious problem especially with IR film. I can suggest you try the new Rollei IR-400 on 120 roll film. Link to comment Share on other sites More sharing options...
david_hay1 Posted September 26, 2006 Author Share Posted September 26, 2006 Hi Robert thanks for your suggestion. The film I have used this summer was dated feb 2005 and has been fine. Konica IR is very slow so lasts better than Kodak perhaps would. I am aware of the Rollei film but I haven't tried it, perhaps the time has come! Link to comment Share on other sites More sharing options...
Uncle Goose Posted September 26, 2006 Share Posted September 26, 2006 Not a related question here but someone told me that IR film (B+W) can't be developed inside a Plastic tank (like paterson system 4) because IR would get trhough the plastic and fog the film. True or not?? Link to comment Share on other sites More sharing options...
david_hay1 Posted September 26, 2006 Author Share Posted September 26, 2006 That is not true for Konica infrared, but may well be true for Kodak... Link to comment Share on other sites More sharing options...
Fotohuis RoVo Posted September 26, 2006 Share Posted September 26, 2006 Depends on the type IR film. HIE is very sensitive due it's going over 900nm. Konica 750nm and Rollei IR-400 820nm. If you have an IR source near the HIE film it will be fogged. 750nm and 820nm films can be developed without any problem in a plastic developing tank. Rollei can be used in AF and auto transport cameras due to the fact the IR light diodes are outside the sensitive area. A lot of these cameras will fog HIE so it's not possible to use this film in these modern cameras. Link to comment Share on other sites More sharing options...
nickc1 Posted September 26, 2006 Share Posted September 26, 2006 Seeing this post it stirred a few mwmory cells and looking in the fridge I found a cassette of Konica IR 750, dated 03/2003. is it even worth trying to use this, or is it likely to be a write off? the film has been refigerated from new. I appreciate that the easiest way would be to try it, but my time taking photographs is very limited, and I like to think I will have a sporting chance of something at the end of an outing! - Any suggestions much appreciated. Nick PS I bought it in about 2002 to try out IR - thats how limited for time I am at present! Link to comment Share on other sites More sharing options...
kaiyen Posted September 26, 2006 Share Posted September 26, 2006 Nick Yes, it's fine to use it. I have some that's expired 2002 and it's fine even with recommendations that were made for presumably fresh film. Also, you can develop all of these films, including HIE, in plastic tanks. allan Link to comment Share on other sites More sharing options...
janet cull Posted September 26, 2006 Share Posted September 26, 2006 I have tried a handful of Konica IR films and everytime I've fogged it. I can't figure out why. I've been careful loading and unloading it. I shoot it in a Hasselblad and have wondered if something about that was a problem, but I don't have problems with anything else fogging. The films were also from 2 different sources, so I can't assume it's the source's fault. I gave up. (for the time being anyway) Link to comment Share on other sites More sharing options...
profhlynnjones Posted September 27, 2006 Share Posted September 27, 2006 Hi David, It's not a true IR film, merely and extended red like the Ilford product, furthermore, with a red filter the speed loss is bad and the IR filter speed loss is intolerable. Both of the extended red films have been discontinued years ago. Use the Maco 820 product, available in all film sizes with very fine grain and high sharpness. It works very well. Lynn Link to comment Share on other sites More sharing options...
wolf_rainer_schmalfuss Posted September 28, 2006 Share Posted September 28, 2006 Hello Lynn! The MACO 820c is OUT OF PRODUCTION! The film you can still get, are left overs! Regards Rainer Link to comment Share on other sites More sharing options...
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