==== Polaroid Notes ====

overview > http://www.rwhirled.com/landlist/landfilm.htm

==== 4x5 Sheet film ====
  * **B/W** 51--57, 72
  * **Colour** 58, 59, 64, 79

==== Type 55 - 4x5 Sheet film====
http://www.everythingretek.com/PRDLibrary/LIBRARY8/LIBRARY/FILM/55FDS.PDF

  * ISO 50 / DIN 18º
  * develop at 21ºC for 20-25 seconds
  * B/W Panchromatic

==== Type 57 - 4x5 Sheet film====
http://www.everythingretek.com/PRDLibrary/LIBRARY8/LIBRARY/FILM/57FDS.PDF

  * ISO 3000 / DIN 36º
  * develop at 24ºC for 15 seconds
  * B/W Panchromatic

==== Type 54 (Polapan PRO 100) - 4x5 Sheet film====
http://www.everythingretek.com/PRDLibrary/LIBRARY8/LIBRARY/FILM/54FDS.PDF

  * ISO 100 / DIN 21º
  * develop at 21ºC for 45 seconds
  * B/W Panchromatic

==== Type 52 - 4x5 Sheet film====

data sheet > http://www.everythingretek.com/PRDLibrary/LIBRARY8/LIBRARY/FILM/52FDS.PDF

  * ISO 400 / DIN 27º
  * develop at 21ºC for 20 seconds
  * B/W Panchromatic

exposure times

| **Temp ºC** | **processing time (secs)** | **exposure adjustment** |
| 35 | 15 | -1/3 stop |
| 24-32 | 15 | None |
| 21 | 20 | None |
| 18 | 25 | None |
| 13 | 40 | 1/3 stop |


==== New55====

http://new55project.blogspot.be/

==== Using 4x5 Instant Sheet Film in a Polaroid 545 Land Film Holder ====

{{>https://www.youtube.com/watch?v=HBvqPQn4he8}}//loading

{{>https://www.youtube.com/watch?v=v7tvfhz8DCU}}//cleaning