Archived posting to the Leica Users Group, 2002/01/17
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Surely if it is an interaction between the grain size and scanner resolution then changing the scanner resolution to another setting not necessarily higher will resolve the problem. On the question of ICE, I found that with Vuescan ICE seemed to work with B7W and Kodachrome films. Don't ask me to explain because I can't! Gerry www.gwpics..com >From: mgraaf@csc.com >Reply-To: leica-users@mejac.palo-alto.ca.us >To: leica-users@mejac.palo-alto.ca.us >Subject: Re: [Leica] unscannable Delta 3200? >Date: Thu, 17 Jan 2002 14:14:38 +0100 > >The problem described is called grain aliasing. The article on >http://www.photoscientia.co.uk/Grain.htm >gives a very good description of it. Basicly it is caused by the fact that >the spatial frequency of the grain and the spacial frequency >of the scanner resolution start to interact. Solution is to get a scanner >with a higher scan resolution. > >Meino de Graaf > > > > > Nathan Wajsman > <wajsman@webshuttle.ch> To: >leica-users@mejac.palo-alto.ca.us > Sent by: cc: > owner-leica-users@mejac.palo- Subject: Re: >[Leica] unscannable Delta 3200? > alto.ca.us > > > 01/17/02 10:29 AM > Please respond to leica-users > > > > > > >You did not say which developer you have used. I find that DD-X and XTOL >both >work very well with D3200. Also, what did you expose it at? The general >consensus is that the true speed of this film is about 1200-1600 and you >should develop for the times given for 3200 in the data sheet. > >Assuming that you have exposed and developed correctly, it remains true >that >D3200 is not easy to scan. I have had negatives that I simply gave up on (I >use a Nikon LS-2000). But I have also had many successful scans from this >film, so it is a matter of trial and error. I used to have the original HP >Photosmart and it did not have any scratch-reduction feature (like Nikon's >ICE). I assume that your HPS20 also does not have such a feature, but if it >does, you need to turn it off when scanning B&W film. > >Nathan > >DRP wrote: > > > Hi list > > > > I'm still trying to scan this nice BW from neg, but I get huge "grain" > > probably due to diffraction at 2400dpi (HPS20 filmscanner) > > > > Before giving up, I wanna try two other directions: > > > > - finer grain developement (Ilfotec DDX or microphen) > > - scan on other filmscanners at different dpi (2700, 2820, 2900... ) >and > > see diffraction's evolution. > > > > Any tip or user advice? > > > > Somebody wrote me he could only scans positives from the wet darkroom. > > I'd really like to play further directly from the neg inside Photoshop >and > > print quadtones... > > > > Thanks and best regards > > > > Didier > > > > PS > > > > -- > > To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > >-- >Nathan Wajsman >Herrliberg (ZH), Switzerland > >e-mail: wajsman@webshuttle.ch > >Photo-A-Week: http://www.wajsman.com/indexpaw2002.htm >General photo site: http://www.wajsman.com/index.htm > > >-- >To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html > > >-- >To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html _________________________________________________________________ Join the world’s largest e-mail service with MSN Hotmail. http://www.hotmail.com - -- To unsubscribe, see http://mejac.palo-alto.ca.us/leica-users/unsub.html