Archived posting to the Leica Users Group, 2003/11/23
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Don, Plastic garment bag for drying? Leo On Nov 23, 2003, at 8:34 AM, Don Dory wrote: > Simon, > > To answer your question directly, with your scanner there is almost no > way to really clean your negatives without causing different damage. > But, if you very gently use a clean micro fiber cloth that will remove > the stuff you are talking about. Gentle use of a cotton swab will also > work for small bits of junk. > > Troubleshooting your lab 101. > > The marks are most likely from the last step in the process before > drying. If the lab is using roller transport equipment then the > replenishment rate on the last step is insufficient to keep that > solution fully in spec so the dryer is drying the crud on the film > before it can bead off. The last solution is really cheap so kindly > ask > them to up the rate. > > If the lab is using dip and dunk then the same issue, they are not > properly mixing/replenishing the last solution (essentially photoflo). > > Should the lab be a true custom lab then you will find it far easier to > get them to change as they are processing your film in tanks just like > you would at home. Therefore the solution is what I recommended in my > first post. Use fresh photoflo for each batch made with at least > de-ionized water preferably distilled. > > Unless you are dealing with very committed people you are going to hear > that you are the only one with this problem please go away. Another > variation is thank you so much please go away. If otherwise they are a > good lab then explain the problem with several of the negatives that > they developed and fully explain that you are making large full bleed > prints and need that extra step. Truly, the last solution is almost > water so incremental cost to them is almost nil. > > Last, I will make a plea that you start developing your own B&W. > Really, one changing bag, one four reel tank, four Hewes reels, two 4-5 > liter brown bottles, your choice of container for developer(see LUG > archives for source of 100ml brown reagent grade bottles), a kitchen > timer, two or three graduates, a plastic garment bag for film drying, > and less than one hour per batch. B&W is very easy, gives you full > control, and lets you add a dimension of control to your photography > that you would not believe. The only reason to not roll your own is > you > have just purchased a spanky new digital camera... :( > > Don > dorysrus@mindspring.com > > -----Original Message----- > From: owner-leica-users@mejac.palo-alto.ca.us > [mailto:owner-leica-users@mejac.palo-alto.ca.us] On Behalf Of animal > Sent: Sunday, November 23, 2003 9:04 AM > To: leica-users@mejac.palo-alto.ca.us > Subject: Re: [Leica] scanner/camera defect/artifact question > > Thank,s Don, > Did a lot of trouble shooting this afternoon and found that the marks > rub of > easily and are only on the shiny side of the strips.So I started > looking > inside the camera for a source of the dirt .Took me a long time to > realise > that it would be simplest to run a roll through and see what that looks > like > .Not a mark. > So after reading your post i think that there must be something wrong > in > the > lab where they processed the film. > Next time i,ll clean the film before scanning. > Is there a safe way to do that? > > >> Simon, >> Actually, it is probably somewhere in the processing that is causing > the >> blockage of light to your scanners sensor. Almost always what the >> camera can do is scratch or physically damages the film. >> >> So, the most probably cause is that you squeegee the photoflo off your >> negatives just before you dry them and this is the build up around the >> sprocket holes. Even if you do not squeegee then I would make sure > you >> are using fresh photoflo at the correct ratio of 1:200 with distilled >> water. >> >> Another cause could be in the developer as I sometimes get marks > similar >> to these when I am a little careless mixing Xtol as that developer > seems >> to be really sensitive to water quality. >> >> Last, a scanner such as you have will find any defect in the film and >> even if you remove all imperfections in the entire process you will >> still find yourself chained to the clone tool. >> >> Don >> dorysrus@mindspring.com >> >> -----Original Message----- >> From: owner-leica-users@mejac.palo-alto.ca.us >> [mailto:owner-leica-users@mejac.palo-alto.ca.us] On Behalf Of animal >> Sent: Sunday, November 23, 2003 6:55 AM >> To: leica-users@mejac.palo-alto.ca.us >> Subject: Re: [Leica] scanner/camera defect/artefact question >> >> I presumed it was the scanner since i could not find the defects on > the >> negs >> when using a light table. >> However with a strong oblique light and loupe found that the damage is >> on >> the negatives themselves so it has to be the camera a m3. >> Any suggestions where to investigate further? >> Thanks again and sorry for the previous question. >> simon jessurun >> >> >>> Hello >>> Sometimes my scanner produces these dots along the sides of > negatives >> . >>> http://www.leica-gallery.net/apekop/image-56634.html >>> http://www.leica-gallery.net/apekop/image-56635.html >>> My scanner is a Nikon 4000 ed. >>> Have any of you encountered this before? >>> And if so what can I do about it? >>> Beforehand thanks >>> simon jessurun >>> -- >>> 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 >> >> >> -- >> 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 > > > -- > 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