Hmmm . . . warnings noted. I'll have to ask about the claustrophobia
issue. Thanks for mentioning it as the progressives will cost more
and under my insurance plan NO $$ can be returned once they are spent.
Clever way to encourage one to use the insurance less, eh?
In the dark recesses of my memory is the phrase "aerial image". I
have it associated with the image 'presented' on ground glass. I seem
to recall reading (but can no longer find the reference) that for most
cameras it's optimized for ~3'/1m from the eye. This would also apply
to information in the VF itself. With my new, corrected for infinity
glasses, I have trouble reading the info AND seeing focusing aids.
Sadly, I'm resigned to selling most of my manual focus gear and
sticking with AF for the rest of my life. Glad it's better than it
used to be! At least I *hope* it is!
ScottGee1
On 6/18/06, Winsor Crosby <wincros@xxxxxxxxxxx> wrote:
>
> I thought progressives sucked too. Even though I tend to
> claustrophobia I don't think that has anything to do with it. I just
> had difficulty finding a point of sharp focus and then it was so
> small. And a slight tilt of the frames on the head would mess
> everything up.
>
> One of the problems with us older folks is that the lens in the eye
> is constantly, slowly changing shape from the last point of focus. It
> is hard to get consistent focus depending on what you looked at last.
> Autofocus may be more accurate, besides being faster. A screen with
> a focusing aid may help with the manual focus. Not as accurate as
> young eyes and a ground glass, but close enough.
>
>
>
> Winsor
> Long Beach, California, USA
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