fredus Posted October 25, 2003 Share Posted October 25, 2003 Hi there, I'm going to shoot tomorow and I just saw these 2 rolls of Kodak HD 400 in my fridge ... Is it best to leave it @ 400 or do you overexpose it a bit (@320 ...) ? Fred Link to comment Share on other sites More sharing options...
lex_jenkins Posted October 25, 2003 Share Posted October 25, 2003 I don't think that rerating color negative film less than a full stop is worth the effort. Last week I shot a roll of Kodak Gold 100, duplicating some shots while varying between EI 100 and 50. I could hardly see the difference in either the prints or negatives. In a couple of cases the rerated negatives scanned a bit better, holding both highlight and shadow areas better. Try bracketing in full stops, at 400 and 200, then write back with your opinions. Might be interesting to compare results. Link to comment Share on other sites More sharing options...
fredus Posted October 25, 2003 Author Share Posted October 25, 2003 Well I rate NPH 400 @ 320 and really can see a difference. I was wondering the same with Kodak HD. I might as well try anyway ... Link to comment Share on other sites More sharing options...
tony_b Posted October 25, 2003 Share Posted October 25, 2003 The HD Kodak film is sold in Europe as 200 ISO film. Some photo magazines estimate that it is the same film as the 400 ISO sold in USA, only the ISO rating on the package changes. Link to comment Share on other sites More sharing options...
steven_clark Posted October 25, 2003 Share Posted October 25, 2003 Just expose it like you would any c-41 film... Which is to say ignore the meter and expose for the darkest shadows you want a useable image in. Underexposed C-41 film is just plain but-ugly unlike the smooth black of a slide, you don't just let it happen like you do with slide film. Link to comment Share on other sites More sharing options...
ilkka_nissila Posted October 26, 2003 Share Posted October 26, 2003 Not really, HD200 and 400 are the consumer versions of Royal Supra 200 and 400, and at least the latter two are very different in grain. Look up the data sheets before quoting unreliable sources. Link to comment Share on other sites More sharing options...
pascal_miele Posted October 26, 2003 Share Posted October 26, 2003 in USA HD is 400 in France HD 135 is 200 in France HD APS is 100 It's the SAME emulsion !!!! When you increase ISO you increase the grain too. With color negatives with a 400 you can shoot from 50 to 800 with no problems. and with a BW (chromgenic or classic) ??? try it, with C41 or a good classic dev ! Link to comment Share on other sites More sharing options...
ilkka_nissila Posted October 26, 2003 Share Posted October 26, 2003 Pascal, ISO film speed ratings are not just random numbers given by the manufacturer. There is a certain procedure for determining the film speed and that's that. I would heartily recommend you to shoot some of that APS HD100 stuff, expose it at iso 400 and scan the results. Oh, clear film? Such a surprise. Link to comment Share on other sites More sharing options...
fredus Posted October 26, 2003 Author Share Posted October 26, 2003 Well I've tried to expose it @200 and I really like the result. Low grain, nice color ... Kind of glad with this film: <a href="http://nosfotos6.free.fr/sfo1025/746871-r1-12.htm"><img src="http://nosfotos6.free.fr/sfo1025/746871-r1-12_thm.jpg" vspace="5" hspace="5" width="104" height="150" border=0></a> Link to comment Share on other sites More sharing options...
bill_tuthill Posted October 28, 2003 Share Posted October 28, 2003 Why is HD 400 so much worse than Portra 400UC? Is it poor quality-control during manufacturing? If so, I'd be careful to make generalizations about how to rate it. Some rolls might be faster than others. My non-statistically-significant test of HD400 showed it to have about one stop less shadow speed than 400UC. Link to comment Share on other sites More sharing options...
ted_marcus1 Posted October 29, 2003 Share Posted October 29, 2003 <i> My non-statistically-significant test of HD400 showed it to have about one stop less shadow speed than 400UC.</i> <p>I'm currently doing a statistically-insignificant test of 400UC, having done a corresponding statistically-insignificant test of HD400 earlier this year. Based on scanning both films, I'm finding that 400UC really does handle shadows better then HD400. There's clearly less grain and more detail in underexposed shadow areas. Other than that, the grain doesn't seem noticeably finer overall (HD400 is pretty fine) and the troublesome blue sky doesn't show any less grain/noise. <p>From what I've seen so far, 400UC is a very good film, possibly the best ISO 400 color negative film out there. But if I were on the road and ran out of 400UC, I'd have little hesitation about stopping at a supermarket and picking up some HD400. Link to comment Share on other sites More sharing options...
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