Yes Richard, I was reading about the Kodak "watermarks" right now. Kodak
said it has to do with some storage issues but they would improve the
backing paper features to avoid or to minimize the problem. Some Kodak 120
film batches could cause some ink transfer from the backing paper to the
film accoridng the storage condition (some people say X rays, but Kodak
believe the ink transfer is caused by heatt and humidity) . Anyway, it
looks like Kodak fixed the problem for the new batches.
Carlos
2017-08-26 18:32 GMT-03:00 Richard Urmonas <richard@xxxxxxxxxxx>:
The Kodak frame numbers appearing were a known issue for some batches
of TMY around 2015/2016 from memory. It was due to a change in the
backing paper. The issue was fixed, but I am sure there are plenty of
films still out there from the problem batches.
Richard
On Sat, 26 Aug 2017 16:21:42 -0300
CarlosMFreaza <cmfreaza@xxxxxxxxx> wrote:
Thank you Hauke for the comments. Mechanical cameras like the TLR
allow to expose a frame for hours without worries about the battery
life. I did not think the heat could be the cause for the "
Watermarks" but I can't discard it after you mentioned it.. I always
try to avoid the heat on the film but I couldn't assure it didn't
receive heat. Anyway, X rays can cause some strange effects on the
film and these slight watermarks are limited to the first frame only.
Carlos
-----Mensaje original-----
De: "Hauke Fath" <hauke@xxxxxxxxxxxxxxxxxxxxxxxx>
Enviado el: 26/08/2017 14:38
Para: "rollei_list@xxxxxxxxxxxxx" <rollei_list@xxxxxxxxxxxxx>
Asunto: [rollei_list] Re: 2,8F Planar and Tmax 400
On Sat, 26 Aug 2017 09:00:17 -0300, CarlosMFreaza wrote:
Images taken last week end in the farm with the Rolleiflex 2,8
FPlanar, Kodak Tmax 400, Romek PQ7 1+3 developer:
The Rollei red filter:
https://flic.kr/p/XPtV65
That's a nicely balanced shot, making good use of the square format.
I like it.
Stars trail and the Milky Way:
https://flic.kr/p/XZ4yF9
Nice! An application that TLRs are rarely used for. Again, the square
format works to advantage.
PS: The stars trail photograph shows some slight "watermarks" with
the words "Kodak 2" and "Kodak"; it's evident that X rays printed
some film paper back letters on the film itself. They only affected
the first frame.-
Interesting... You are sure the film wasn't exposed to heat?
I see the same effect with a batch of 127 Maco roll films (really
relabeled Efke). They were stored in a larder that tends to heat up
to 40°C in summer, and I found them too late. Only suitable for Holga
style photography now, I am afraid.
Cheerio,
hauke
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