On 16 Jul 2005 at 18:25,
Andrew Fildes <olympus@xxxxxxxxxx> wrote:
>
> I use the finger test - mount lens and hood, point at desk lamp,
> position lamp in corner of viewfinder - is there any drop in
> intensity as you move it from near centre to corner? Then push finger
> over hood edge toward corner - at what point does the finger shadow
> become visible in the finder? Immediately or well in?
Even more accurate results at f/22...
> Great science hey what?! With this type of hood on a 24mm there was a
> reasonable amount of (finger) wriggle room which leads me to suggest
> that halving the depth of the rim section should get you clear of the
> edge of field on a 21mm. Or dremmelling cutouts (for those murkins
> who love creating verbs) at the four corners.
> AndrewF
> Who looks like a goose in a hat!
-- Quidquid latine dictum sit altum viditur --
,__@ tOM Trottier
_-\_<, 758 Albert St., Ottawa ON Canada K1R 7V8
(*)/'(*) N45.412 W75.714 +1 613 231-6115
<a href="http://Abacurial.com";>Abacurial Information Architecture</a>
Q, Q,
</ </ I would rather be exposed to the inconveniences
(`-/---/-') attending too much liberty than to those attending
~~@~~~~@~~~~~~ too small a degree of it.-Thomas Jefferson
==============================================
List usage info: http://www.zuikoholic.com
List nannies: olympusadmin@xxxxxxxxxx
==============================================
|