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Explore the world of vintage lenses through repair notes, real test shots, and detailed archive threads packed with images.

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The weather thread
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Posted: Thu May 29, 2008 2:43 pm
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Posted: Thu May 29, 2008 2:43 pm
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I think it might be interesting to post the temperature and relative humidity (if possible) of your place.


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Posted: Thu May 29, 2008 2:44 pm
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Posted: Thu May 29, 2008 2:44 pm
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29/05/08 | Central Germany | 30°C | 68% r.h.


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Posted: Thu May 29, 2008 3:21 pm
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Posted: Thu May 29, 2008 3:21 pm
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29/05/08 | Central Sweden | 29°C | 35%


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Posted: Thu May 29, 2008 3:29 pm
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Posted: Thu May 29, 2008 3:29 pm
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17degC / 58%RH S.E. Ireland


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Posted: Thu May 29, 2008 3:42 pm
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Posted: Thu May 29, 2008 3:42 pm
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29/05/08 | West Emilia (Northern Italy) | 20°C | 70%
(just rained)


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Posted: Thu May 29, 2008 3:43 pm
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Posted: Thu May 29, 2008 3:43 pm
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14°C and pissing down! 75% East England


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Posted: Thu May 29, 2008 4:52 pm
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Posted: Thu May 29, 2008 4:52 pm
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8pm: 30°C 43% Cool


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Posted: Sat May 31, 2008 10:02 am
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Posted: Sat May 31, 2008 10:02 am
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Yesterday evening:

30° C | 85% r.h. | heavy thunderstorms and hail of the size of a golf-ball in a town about 15 km away. We were lucky, we "just" had heavy rain (30 litres/m²) and thunderstorms.

This photo was taken about 30 min before it started, it was raining already:

(Shot with my wife's Panasonic Lumix FZ20, the only cam that was in reach. Wink)

Last edited by LucisPictor on Sat May 31, 2008 12:56 pm; edited 1 time in total


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Posted: Sat May 31, 2008 10:10 am
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Posted: Sat May 31, 2008 10:10 am
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Now: 23°C, 62% humidity - sky still overcast


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Posted: Sat May 31, 2008 11:05 am
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Posted: Sat May 31, 2008 11:05 am
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29°C, 39% humidity


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Posted: Sat May 31, 2008 11:15 am
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Posted: Sat May 31, 2008 11:15 am
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S.E. Ireland

Horribly humid this morning.

24degC / 65% RH / Sunny spells


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Posted: Sat May 31, 2008 12:21 pm
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Posted: Sat May 31, 2008 12:21 pm
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31 May 2008 - 14:19 CEST
Nice, Alpes Maritimes, France

21° 78% humidity, 1017 hPa

Starting to brighten up, was overcast earlier and has been grey and rainy the last few days.


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Posted: Sat May 31, 2008 12:39 pm
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Posted: Sat May 31, 2008 12:39 pm
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ChrisLilley wrote:
31 May 2008 - 14:19 CEST
Nice, Alpes Maritimes, France
21° 78% humidity, 1017 hPa
Starting to brighten up, was overcast earlier and has been grey and rainy the last few days.


We're on the same boat, so to say.


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Posted: Sat May 31, 2008 2:51 pm
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Posted: Sat May 31, 2008 2:51 pm
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31 Celsius 60 % humidity here.


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Posted: Sat May 31, 2008 3:13 pm
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Posted: Sat May 31, 2008 3:13 pm
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Just had a series of grumbling thunderstorms pass overhead - had to disconnect the web antenna for a while, just in case. No lightning strikes to ground, but plenty of inter-cloud ones.


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Posted: Sat May 31, 2008 3:50 pm
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Posted: Sat May 31, 2008 3:50 pm
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Farside wrote:
Just had a series of grumbling thunderstorms pass overhead - had to disconnect the web antenna for a while, just in case. No lightning strikes to ground, but plenty of inter-cloud ones.


Oh great! They will be here soon then... Sad


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Posted: Sun Jun 01, 2008 11:36 am
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Posted: Sun Jun 01, 2008 11:36 am
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28°C 54%
and a small pic to visualize where I was swimming before 1 hour


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Posted: Sun Jun 01, 2008 12:18 pm
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Posted: Sun Jun 01, 2008 12:18 pm
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Sydney: Rain/ 15 deg / RH 95%
From today, it's winter Sad


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Posted: Sun Jun 01, 2008 12:52 pm
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Posted: Sun Jun 01, 2008 12:52 pm
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poilu wrote:
28°C 54%
and a small pic to visualize where I was swimming before 1 hour

Oh yes, give it to us.Twisted Evil Thank you very much! Mad Wink


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Posted: Sun Jun 01, 2008 6:16 pm
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Posted: Sun Jun 01, 2008 6:16 pm
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95% humidity ??!! how can you save your gears ?


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Posted: Sun Jun 01, 2008 6:53 pm
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Posted: Sun Jun 01, 2008 6:53 pm
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Attila wrote:
95% humidity ??!! how can you save your gears ?

Attila, we also have more than 90% regularly here in Germany in summer, our summers are very humid. But this is outside, not in the house. Inside I have a mechanical de-humidifier for my study and a chemical one for my cabinet. Brings it always down to under 60%, even if it is 95% outside.


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Posted: Sun Jun 01, 2008 7:38 pm
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Posted: Sun Jun 01, 2008 7:38 pm
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60% a lot too, not a safe range for lenses. In my experience safe zone is below 55%


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Posted: Sun Jun 01, 2008 9:08 pm
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Posted: Sun Jun 01, 2008 9:08 pm
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Attila wrote:
60% a lot too, not a safe range for lenses. In my experience safe zone is below 55%

Sometimes there is nothing you can do. And 60% is not really bad. Otherwise my lenses would all be full of fungus - they are not.


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Posted: Sun Jun 01, 2008 9:23 pm
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Posted: Sun Jun 01, 2008 9:23 pm
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Lucky you, I left a lens on 60 % for a week, fungus come out on surface first like oily spots.


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Posted: Sun Jun 01, 2008 9:26 pm
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Posted: Sun Jun 01, 2008 9:26 pm
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High relative humidity is not really a problem if the lens is at a similar temperature to the air, as the vapour will not condense into water. If the lens is colder than the air, like when you come indoors in the winter, the vapour condenses and "steams up" the lens. Problems happen when a cold lens is left in its case or in a bag after coming into a warm room.
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