Page 1 of 2 12 LastLast
Results 1 to 10 of 12

Thread: Idea for super-thin 0.3mm glass plate

  1. #1

    Join Date
    Feb 2015
    Location
    Dallas, Texas
    Posts
    328

    Idea for super-thin 0.3mm glass plate

    Coud someone experienced in safe glass cutting take an iPad screen protector 0.3mm tempered glass, peel off the plastic coating (blow-dryer and gloves), and cut to size to make a super-thin glass plate for coating? One could find the cheap ones on eBay or discount store.

    I don’t coat my own emulsion coating so I wonder - will this fit in a standard sized film holder? What if the glass were even a bit thinner—they are out there!

    Cut tempered glass:
    https://m.wikihow.com/Cut-Tempered-Glass

    Screen protectors - 2 for $8.50:
    https://www.ebay.com/itm/2-Pack-Temp...-/111970821244

    Update: After removing plastic protective film, I cleaned my glass with Goof Off spray and lab wipes, then lens cleaner and Harbor Freight micro-fiber cloth. Now pristine!

    Disclaimer: this process can cut and or blind you. It is not recommended that you cut tempered glass. Proceed at your own peril. First consult a professional, and wear safety gear from head to toe and eyes, plus cut-proof gloves that cover your wrists.
    Last edited by pchaplo; 7-May-2018 at 17:14.
    Dallas Texas HABS / HAER / HALS Photography
    Photographer/Author Marfa Flights: Aerial Views of Big Bend Country (Texas A&M University Press)
    Petroleum Oil Pics

  2. #2

    Join Date
    Feb 2015
    Location
    Dallas, Texas
    Posts
    328

    Re: Idea for super-thin 0.3mm glass plate

    Peeling the coating: used blow dryer to heat adhesive

    Click image for larger version. 

Name:	43EDF5B1-9371-4D1B-8588-45B02CFE8759.jpg 
Views:	20 
Size:	52.4 KB 
ID:	178006
    Used single-edge razor to lift the corner to get it started.

    Could be safer to cut with the plastic ON?
    Dallas Texas HABS / HAER / HALS Photography
    Photographer/Author Marfa Flights: Aerial Views of Big Bend Country (Texas A&M University Press)
    Petroleum Oil Pics

  3. #3
    Randy's Avatar
    Join Date
    Dec 2010
    Location
    Virginia, USA
    Posts
    1,322

    Re: Idea for super-thin 0.3mm glass plate

    What would be the benefit over the normal glass that you coat? Just wondering.
    https://dl.dropboxusercontent.com/u/52893762/bigger4b.jpg

  4. #4

    Join Date
    Jul 2016
    Posts
    4,565

    Re: Idea for super-thin 0.3mm glass plate

    Quote Originally Posted by pchaplo View Post

    will this fit in a standard sized film holder? What if the glass were even a bit thinner—they are out there!
    As the glass is adhesive we can just use an oversize film holder and adhere it to the (cleaned) septum.

    LF film is usually coated on a 0.19mm base, usually sheets are some 0.2mm thick.

    A dry plate made with 0.3mm glass may end in 0.35mm thickness, this is having a 0.15mm missmatch for GG vs film compared to a regular sheet, to keep it in mind if shot is wide open...

    I see this interesting to make reversal process with DIY plates, a fancy slide would result

  5. #5

    Join Date
    Mar 2002
    Location
    now in Tucson, AZ
    Posts
    3,000

    Re: Idea for super-thin 0.3mm glass plate

    I don't see how this would help your photographs. On the other hand, if you like to tinker with things, go for it.

  6. #6

    Join Date
    Feb 2015
    Location
    Dallas, Texas
    Posts
    328

    Re: Idea for super-thin 0.3mm glass plate

    Hey Randy, Dunno. I’m making something else and wondered if it could help someone. For example, could a glass this this be coated with photographic emulsion, and used wet or dry in an stock film holder? If so, then a modified "film" holder may not be needed? Not my realm so I just put it out there as a material for inventive/maker types

    Quote Originally Posted by Randy View Post
    What would be the benefit over the normal glass that you coat? Just wondering.
    Last edited by pchaplo; 7-May-2018 at 13:34.
    Dallas Texas HABS / HAER / HALS Photography
    Photographer/Author Marfa Flights: Aerial Views of Big Bend Country (Texas A&M University Press)
    Petroleum Oil Pics

  7. #7

    Join Date
    Feb 2015
    Location
    Dallas, Texas
    Posts
    328

    Re: Idea for super-thin 0.3mm glass plate

    The reversal idea is very creative!

    Quote Originally Posted by Pere Casals View Post
    As the glass is adhesive we can just use an oversize film holder and adhere it to the (cleaned) septum.

    LF film is usually coated on a 0.19mm base, usually sheets are some 0.2mm thick.

    A dry plate made with 0.3mm glass may end in 0.35mm thickness, this is having a 0.15mm missmatch for GG vs film compared to a regular sheet, to keep it in mind if shot is wide open...

    I see this interesting to make reversal process with DIY plates, a fancy slide would result
    "In order to invent, you need a good imagination and a lot of junk" Thomas Edison
    Last edited by pchaplo; 7-May-2018 at 13:33.
    Dallas Texas HABS / HAER / HALS Photography
    Photographer/Author Marfa Flights: Aerial Views of Big Bend Country (Texas A&M University Press)
    Petroleum Oil Pics

  8. #8
    jp's Avatar
    Join Date
    May 2009
    Location
    Maine
    Posts
    5,358

    Re: Idea for super-thin 0.3mm glass plate

    I've wondered about using them but first thing to do is to test whether they are hydrophobic. I haven't tested that and it would be good if you tested that to make sure Collodion sticks to it.

    You could potentially display an ambrotype made from such glass in an inexpensive phone case. It is also an image size and shape much of the public is accustomed to viewing.

  9. #9

    Join Date
    Jul 2016
    Posts
    4,565

    Re: Idea for super-thin 0.3mm glass plate

    True... it can have (or not...) a water repellent coating...

  10. #10

    Join Date
    Feb 2015
    Location
    Dallas, Texas
    Posts
    328

    Re: Idea for super-thin 0.3mm glass plate

    I cleaned off the remaining coating with Goof Off aerosol, then Panavision lens cleaner. Seems there was extra coating. I just need some thin clean glass. I’m not a DIY emulsion coater so YMMV — just think this is a cool material. Mine are used elsewhere in my photo inventions. The other aspect of this is that somewhere in the wolrd, there is cheap 0.25-0.3mm glass that is uncoated and untempered.
    Dallas Texas HABS / HAER / HALS Photography
    Photographer/Author Marfa Flights: Aerial Views of Big Bend Country (Texas A&M University Press)
    Petroleum Oil Pics

Similar Threads

  1. Thin plate glass - $1 at at bargain store
    By pchaplo in forum Darkroom: Film, Processing & Printing
    Replies: 2
    Last Post: 29-Mar-2018, 05:11
  2. Two Minute Water Bath before Developer, Good Idea, Waste of Time, or Bad Idea
    By Richie in forum Darkroom: Film, Processing & Printing
    Replies: 24
    Last Post: 3-Nov-2016, 17:54
  3. Source for thin glass?
    By Nathan Smith in forum LF DIY (Do It Yourself)
    Replies: 12
    Last Post: 5-Apr-2016, 08:33
  4. Super thin negatives
    By butterfly in forum Darkroom: Film, Processing & Printing
    Replies: 12
    Last Post: 28-Jan-2008, 09:18
  5. Thin Glass Sheets
    By Lawrence Francis in forum Digital Hardware
    Replies: 4
    Last Post: 20-May-2004, 07:00

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •