Re: [pinhole-discussion] Slightly Off Topic
eco...@aol.com wrote: With all the discussion now centred on scanners, I wondered if anyone had tried a pinhole scanner ? I hope to try a card body with a tracing paper screen against the glass plate and a suitable pinhole. Aimed at a bright subject it should, in theory work ! Watch this space. Ellis. this is a wonderful idea. I didn't quite get your explannation on how to do it but a pinhole scanner may be done with a big pinhole box fixed around the scanner, being the glass working in place of paper or film. I'll do it then show. thanks. []s luish -- --- http://www.ignore.com.br
Re: [pinhole-discussion] Slightly Off Topic
With all the discussion now centred on scanners, I wondered if anyone had tried a pinhole scanner ? I hope to try a card body with a tracing paper screen against the glass plate and a suitable pinhole. Aimed at a bright subject it should, in theory work ! Watch this space. Ellis.
Re: [pinhole-discussion] Slightly Off Topic
Just a couple of weeks ago, I scanned a couple of my grandfather's glass negatives from around 1903-1904. My scanner has an attachment for scanning negatives, but it is specifically for 35 mm, so a 4x5 glass negative was too big. I placed a sheet of plain white paper on top of the negative and shined a bright light at the paper and then did the scan, informing the scanner it was a negative. At little bit of cropping and it worked like a champ. --- Tom Miller wrote: > Dear All, > > This is at least photographic! > > Does anyone have experience scanning glass plate > negatives? Can it > even be done? A friend asked me to make contact > prints from some > glass negs he bought at an estate sale. Since my > darkroom hasn't been > reassembled after the big move, I thought scanning > might work (haven't > tried it yet, though). I have an Epson scanner with > a transparency > adapter (the extra light source on top). > > Tom > > > ___ > Post to the list as PLAIN TEXT only - no HTML > Pinhole-Discussion mailing list > Pinhole-Discussion@p at ??? > unsubscribe or change your account at > http://www.???/discussion/ __ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com
RE: [pinhole-discussion] Slightly Off Topic
Try having a white sheet over your head with light coming through it... It will even out some of the darkness... andy -Original Message- From: pinhole-discussion-admin@p at ??? [mailto:pinhole-discussion-admin@p at ???]On Behalf Of Joao Ribeiro Sent: Tuesday, June 18, 2002 12:37 PM To: pinhole-discussion@p at ??? Subject: Re: [pinhole-discussion] Slightly Off Topic Scanners have some sort of depth of field too. I have already made some scans from my face a few inches away and it worked great, a bit too dark that was corrected with photoshop but not exactly out of focus. The only problems with glass plate might be newton rings (I'm not sure if they happen with glass against glass) and scratching the scanner's glass, so be carefull! Cheers Joao G.Penate wrote: > Scanners focus is optimized on the outer surface of the scanner's glass, placing > the emulsion side face down may make a difference in the results (or not!). > > Guillermo > > > -Original Message- > > From: pinhole-discussion-admin@p at ??? > > > > Does anyone have experience scanning glass plate negatives? Can it > > even be done? A friend asked me to make contact prints from some > > glass negs he bought at an estate sale. Since my darkroom hasn't been > > reassembled after the big move, I thought scanning might work (haven't > > tried it yet, though). I have an Epson scanner with a transparency > > adapter (the extra light source on top). > > ___ > Post to the list as PLAIN TEXT only - no HTML > Pinhole-Discussion mailing list > Pinhole-Discussion@p at ??? > unsubscribe or change your account at > http://www.???/discussion/ ___ Post to the list as PLAIN TEXT only - no HTML Pinhole-Discussion mailing list Pinhole-Discussion@p at ??? unsubscribe or change your account at http://www.???/discussion/
Re: [pinhole-discussion] Slightly Off Topic
Scanners have some sort of depth of field too. I have already made some scans from my face a few inches away and it worked great, a bit too dark that was corrected with photoshop but not exactly out of focus. The only problems with glass plate might be newton rings (I'm not sure if they happen with glass against glass) and scratching the scanner's glass, so be carefull! Cheers Joao G.Penate wrote: > Scanners focus is optimized on the outer surface of the scanner's glass, > placing > the emulsion side face down may make a difference in the results (or not!). > > Guillermo > > > -Original Message- > > From: pinhole-discussion-admin@p at ??? > > > > Does anyone have experience scanning glass plate negatives? Can it > > even be done? A friend asked me to make contact prints from some > > glass negs he bought at an estate sale. Since my darkroom hasn't been > > reassembled after the big move, I thought scanning might work (haven't > > tried it yet, though). I have an Epson scanner with a transparency > > adapter (the extra light source on top). > > ___ > Post to the list as PLAIN TEXT only - no HTML > Pinhole-Discussion mailing list > Pinhole-Discussion@p at ??? > unsubscribe or change your account at > http://www.???/discussion/
RE: [pinhole-discussion] Slightly Off Topic
View Camera a year ago had an thing on someone rescuing some 100 year old plates -- I think the scanner was mentioned. I'm at work (aughhh) so I can't check my back issues, but try the web site viewcamera.com I think and click the contact button and you'll get Steve Simons. It was a good article on saveing plates though. Dean >Haven't tried it but why not? It is just a thick negative... >andy > >-Original Message- >From: pinhole-discussion-admin@p at ??? >[mailto:pinhole-discussion-admin@p at ???]On Behalf Of Tom Miller >Sent: Tuesday, June 18, 2002 10:45 AM >To: pinhole-discussion@p at ??? >Subject: [pinhole-discussion] Slightly Off Topic > > >Dear All, > >This is at least photographic! > >Does anyone have experience scanning glass plate negatives? Can it >even be done? A friend asked me to make contact prints from some >glass negs he bought at an estate sale. Since my darkroom hasn't been >reassembled after the big move, I thought scanning might work (haven't >tried it yet, though). I have an Epson scanner with a transparency >adapter (the extra light source on top). > >Tom > > >___ >Post to the list as PLAIN TEXT only - no HTML >Pinhole-Discussion mailing list >Pinhole-Discussion@p at ??? >unsubscribe or change your account at >http://www.???/discussion/ > > >___ >Post to the list as PLAIN TEXT only - no HTML >Pinhole-Discussion mailing list >Pinhole-Discussion@p at ??? >unsubscribe or change your account at >http://www.???/discussion/ Dean Lastoria Admissions Assistant (604) 291-3224 dvlas...@sfu.ca
Re: [pinhole-discussion] Slightly Off Topic
Scanners focus is optimized on the outer surface of the scanner's glass, placing the emulsion side face down may make a difference in the results (or not!). Guillermo > -Original Message- > From: pinhole-discussion-admin@p at ??? > > Does anyone have experience scanning glass plate negatives? Can it > even be done? A friend asked me to make contact prints from some > glass negs he bought at an estate sale. Since my darkroom hasn't been > reassembled after the big move, I thought scanning might work (haven't > tried it yet, though). I have an Epson scanner with a transparency > adapter (the extra light source on top).
RE: [pinhole-discussion] Slightly Off Topic
Haven't tried it but why not? It is just a thick negative... andy -Original Message- From: pinhole-discussion-admin@p at ??? [mailto:pinhole-discussion-admin@p at ???]On Behalf Of Tom Miller Sent: Tuesday, June 18, 2002 10:45 AM To: pinhole-discussion@p at ??? Subject: [pinhole-discussion] Slightly Off Topic Dear All, This is at least photographic! Does anyone have experience scanning glass plate negatives? Can it even be done? A friend asked me to make contact prints from some glass negs he bought at an estate sale. Since my darkroom hasn't been reassembled after the big move, I thought scanning might work (haven't tried it yet, though). I have an Epson scanner with a transparency adapter (the extra light source on top). Tom ___ Post to the list as PLAIN TEXT only - no HTML Pinhole-Discussion mailing list Pinhole-Discussion@p at ??? unsubscribe or change your account at http://www.???/discussion/
Re: [pinhole-discussion] Slightly Off Topic
Tom Miller wrote: > Does anyone have experience scanning glass plate negatives? Can it > even be done? I have an Epson scanner with a transparency > adapter (the extra light source on top). > > Tom Tom, if you already have the scanner, just put it in and give it a try! then, tell us what happenned, or put an example on the web! I've been doing a similar work with transparencies glued to acrilic plates. I don't have a transparency adapter so I use a light table instead. It works regular, but works. It will depend on what you wish to do with this image file later. []'s luish -- --- http://www.ignore.com.br
Re: [pinhole-discussion] Slightly Off Topic
From: "G.Penate" > - Original Message - From: "Jim Kosinski" http://directory.google.com/Top/Science/Astronomy/Amateur/Astr ophotography_and_CCD_Imaging/ Jim K Jim, your link broke down, this happens to me all the time. I have found this site in which you paste a long link and it will generate a short one that will automatically sent you to the long one, I find it very useful. The site is http://makeashorterlink.com/ For instance, the above link you gave, becomes this very short one: http://makeashorterlink.com/?T1102059 Alternativley you can set up your mail program to "wrap plain text messages" at something longer than 78 characters... Interesting site though and one that will be useful for those really long url's... Bob. http://www.fatboab.org/ "If you don't like your job, you don't strike. You just go in everyday and do it really half-assed." -- Homer Simpson
Re: [pinhole-discussion] Slightly Off Topic
Thanks to everyone for the links--lots of great information there. Tedd --- t...@mchenry.ca www.mchenry.ca
Re: [pinhole-discussion] Slightly Off Topic
G! this is really very useful, many thanks jim --- Begin Message --- - Original Message - From: "Jim Kosinski" > http://directory.google.com/Top/Science/Astronomy/Amateur/Astr > ophotography_and_CCD_Imaging/ > > Jim K Jim, your link broke down, this happens to me all the time. I have found this site in which you paste a long link and it will generate a short one that will automatically sent you to the long one, I find it very useful. The site is http://makeashorterlink.com/ For instance, the above link you gave, becomes this very short one: http://makeashorterlink.com/?T1102059 Just an FYI. Guillermo ___ Post to the list as PLAIN TEXT only - no HTML Pinhole-Discussion mailing list Pinhole-Discussion@p at ??? unsubscribe or change your account at http://www.???/discussion/ --- End Message ---
Re: [pinhole-discussion] Slightly Off Topic
- Original Message - From: "Jim Kosinski" > http://directory.google.com/Top/Science/Astronomy/Amateur/Astr > ophotography_and_CCD_Imaging/ > > Jim K Jim, your link broke down, this happens to me all the time. I have found this site in which you paste a long link and it will generate a short one that will automatically sent you to the long one, I find it very useful. The site is http://makeashorterlink.com/ For instance, the above link you gave, becomes this very short one: http://makeashorterlink.com/?T1102059 Just an FYI. Guillermo
Re: [pinhole-discussion] Slightly Off Topic
Here's a good resource with lots of links... I found it by putting "pinhole astrophotography" into a search engine http://directory.google.com/Top/Science/Astronomy/Amateur/Astr ophotography_and_CCD_Imaging/ Jim K --- Begin Message --- I apologize for being slighty off topic. I'm not a pinhole photographer, but I'm working on a science-fiction story that involves pinhole astronomy. I'm looking for good sources of information for the novice that explain the theory of pinhole cameras or telescopes. I don't mind getting into the physics ofit. In fact, that's exactly what I want. Can anyone recommend any books, websites, or other sources of information that might help me? Tedd McHenry Surrey, BC Canada --- t...@mchenry.ca www.mchenry.ca ___ Post to the list as PLAIN TEXT only - no HTML Pinhole-Discussion mailing list Pinhole-Discussion@p at ??? unsubscribe or change your account at http://www.???/discussion/ --- End Message ---
Re: [pinhole-discussion] Slightly Off Topic
- Original Message - From: "Tedd McHenry" > I apologize for being slighty off topic. I'm not a pinhole photographer, but > I'm working on a science-fiction story that involves pinhole astronomy. I'm > looking for good sources of information for the novice that explain the theory > of pinhole cameras or telescopes. I don't mind getting into the physics ofit. > In fact, that's exactly what I want. Can anyone recommend any books, websites, > or other sources of information that might help me? http://users.erols.com/njastro/barry/bar-page/pinhole.htm http://www.???/resources/articles/Young/
Re: [pinhole-discussion] slightly off topic - fresnel lens photography and a "scanner camera back"
On Wed, 2 May 2001, Jarred McCaffrey wrote: > In particular I am looking at lenses such as sheet magnifiers found in > OfficeMax > or a fresnel lens from an overhead projector. Try Edmund Scientific http://www.edmundscientific.com/Products/Search.cfm?query=fresnel Another option is RV (recreational vehicles or motor-homes) supply shops. They often sell wide angle fresnel lenses. They are meant to be stuck in the rear window to be used as a wide angle viewer. Gord - Gordon J. Holtslander Dept. of Biology hol...@duke.usask.ca112 Science Place http://duke.usask.ca/~holtsgUniversity of Saskatchewan Tel (306) 966-4433 Saskatoon, Saskatchewan Fax (306) 966-4461 Canada S7N 5E2 -
