All true. . . . And as I've experienced, diffused sunlight (clouds or
shade) will give more even results and better control of exposure
times. This goes way back for me to early experiments that were great
fun.
Best to all,
John
__________________________
John Campbell
PhotoGecko Studios & Gallery
1413 South First Street
Austin, Tx 78704
(512) 797-9375
www.photogecko.com
On Aug 6, 2004, at 9:01 PM, Judy Seigel wrote:
>
>
> On Sat, 7 Aug 2004, Keith Gerling wrote:
>> I was astonished to learn just how bright the sun actually is! Six
>> minutes
>> under my fluorescent bulbs equals three minutes under my Violux
>> equals about
>> 45 seconds under the noonday sun. But the time of day causes very
>> extreme
>> variances in the amount of light. A minute at noon might be 4
>> minutes at
>> 3:00 PM.
>
>
> In the early days of the list, a woman whose name I'm not remembering
> now said she exposed gum by sunlight -- & that at noon in summer the
> exposure was 30 seconds.
>
> Some of the old British Journals of Photography have exposure charts
> by season and latitude -- and as I seem to recall, maybe Henney &
> Dudley have one too. But of course you'd have to factor in your
> medium...
>
> Judy
>
>
Received on Mon Aug 9 12:05:37 2004
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