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#1
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Rule of f16
As a photography student, I've had the "Rule of Sunny f16" drilled in to me.
I know with a 35mm what all the rules of thumb are; are they the same for a 6x9? I also usually overexpose my negatives about a half a stop to help get a littl emore detail out of my highlights. Is this still neccessary with a medium format? Thanks! Trevor Longino -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =----- |
#2
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Rule of f16
Hi
More then you ever wanted to know about the rule of f16. The sun is a fixed light source although the light hitting the earth can be vary with the time of year and angle. This varation can be from about 12000 foot candles at the equator to around 1250 foot candles at the very nothern reaches of Canada. Average is about 5000 foot candles which the rule of f16 is attached to. Knowing this, you might want to use f22 in the summer in Florida (about 10,000 ft candles) and f11 at Christmas time in Maine (about 2500 ft candles). Generally, f16 is good in Washington DC in September. Larry |
#3
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Rule of f16
Trevor Longino wrote:
As a photography student, I've had the "Rule of Sunny f16" drilled in to me. I know with a 35mm what all the rules of thumb are; are they the same for a 6x9? The "rule" is about light intensities, not formats. The sun is the same, ISO film speed does not change, apertures are apertures, shutterspeeds are still the same duration, only the size of the piece of film is different. They should have drilled that into you, instead of some dodgy rule. ;-) I also usually overexpose my negatives about a half a stop to help get a littl emore detail out of my highlights. Is this still neccessary with a medium format? Uhm... "The sun is the same, [etc]." ;-) |
#4
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Rule of f16
Knowing this, you might want to use f22 in the summer in Florida
Thanks. Given that is *is* summer, and I *am* in florida, I'll stop my lens down a bit more. Peeks out window But I don't see you out there, so how did you know? Pacem! Trevor -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =----- |
#5
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Rule of f16
Trevor Longino wrote:
As a photography student, I've had the "Rule of Sunny f16" drilled in to me. I know with a 35mm what all the rules of thumb are; are they the same for a 6x9? I also usually overexpose my negatives about a half a stop to help get a littl emore detail out of my highlights. Is this still neccessary with a medium format? It's the same no matter what the size of the film is. -- Stacey |
#6
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Rule of f16
Hemi4268 wrote:
Generally, f16 is good in Washington DC in September. It is pretty good also here in Europe. -- Lassi |
#7
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Rule of f16
"Lassi Hippeläinen" wrote: Hemi4268 wrote: Generally, f16 is good in Washington DC in September. It is pretty good also here in Europe. In Japan, my eye tells me that the light is bright and harsh, but when I actually meter things, f/8 seems to be the most common result at 1/film speed. Maybe I need a vacation. David J. Littleboy Tokyo, Japan |
#8
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Rule of f16
In Japan, my eye tells me that the light is bright and harsh, but when I
actually meter things, f/8 seems to be the most common result at 1/film speed. At f-8 would mean 1250 foot candles. Maybe London at Christmas time. Maybe even North Korea but your at least a stop off anywhere in Japan. Larry |
#10
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Rule of f16
"Hemi4268" wrote: In Japan, my eye tells me that the light is bright and harsh, but when I actually meter things, f/8 seems to be the most common result at 1/film speed. At f-8 would mean 1250 foot candles. Maybe London at Christmas time. Maybe even North Korea but your at least a stop off anywhere in Japan. Yes. I realize that. But the slides are coming out just fine. I'm using a spot meter, looking at the subject, deciding whether I want it at zone IV, V, or VI, and setting the exposure accordingly*. Recently, I've been doing reality check against sunny 16, and I've observed that sunny 16 rarely gives the same answer: sunny 8 seems right. *: When the subject or part thereof falls in that range, of course. David J. Littleboy Tokyo, Japan |
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