Archived posting to the Leica Users Group, 2001/08/29
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At 2:49 PM -0700 8/29/01, Frank Filippone wrote:
>sunny 16 with an F1 lens and ASA 100 film is............... F1.0 at
>1/256,000 second
>Better to use ASA25 film with F1.0 at 1/64,000
>or in open shade at F1.0 at 1/16,000, ASA25
>or in dull light in open shade at F1.0 at 1/4000, ASA 25
>
>The Noctilux, at F1.0, is really an inside daylight or outside in the real
>dark, lens.....
>
>If you want the F1.0 you need to get a 4 or more stop ND filter, and that
>ASA25 film in open shade or else use it at F5.6 at 1/1000 of a second in
>which case, the special look of the lens is about shot....
>
If you're 4-5 stops off bright sunlight, the Noct will work with 100
ISO film on a Leica. 2-3 stops off bright sunlight on a Hexar.
....a decimal got away on you. You're thinking of the f/0.3 Noct,
which is, I believe, still in pre-production.
Here are some pictures of Tom A. with a prototype, and one of Tom
taken with the prototype:
http://www.archiphoto.com/B&W/Tom&Noct.jpg
http://www.archiphoto.com/B&W/Tom&Noct2.jpg
http://www.archiphoto.com/B&W/AllBokeh.jpg
Please note the exclusive nature of this information, and treat it
with the reverence it deserves. :-)
- --
* Henning J. Wulff
/|\ Wulff Photography & Design
/###\ mailto:henningw@archiphoto.com
|[ ]| http://www.archiphoto.com