Archived posting to the Leica Users Group, 2002/04/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hah! unsharp rapping! Regards, Sonny - ----- Original Message ----- From: "Jim Brick" <jim@brick.org> To: <leica-users@mejac.palo-alto.ca.us>; <leica-users@mejac.palo-alto.ca.us> Sent: Monday, April 08, 2002 6:37 PM Subject: [Leica] RE: digital grain > The way you do it in film, using an enlarger, is rap your enlarger head > with your hand during your exposure. The enlarger must shake for roughly > 10% to 20% of the total exposure. This is called "shaking the grain out." > > And as soon as you stop laughing... this is no joke! > > The exposure is long enough for the sharp image to register but the edge is > taken off of that oh so gritty grain. It's like a Softar filter without the > filter. The image still looks sharp but the fine detail (grain edge effect) > is smoothed over. > > This is an old technique used back in the 20's and 30's. Maybe even the > 40's. I learned about it while at Brooks Institute from Boris Dobro, an old > European (German I think) who was old when I was there in 1959-61. Maybe I > was just young... 21. > > :) > > Jim > > > At 03:40 PM 4/8/2002 -0700, Frank Filippone wrote: > >Tina.. the grain is there in terms of Pixels... the difference is that some > >computer geek wrote an algorithm to smooth out the pixel info when > >printing... you COULD do the same thing with film + scanner + computer.... > >Film is inherently more detailed. But it is not "geeked upon" so you see > >the grain. > > > >I must say, that the real proof is your customer. If he/she is happy, that > >is all that counts...no matter how you did the shot.... > > > >Frank Filippone > >red735i@earthlink.net > > -- > 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