Good point Moose. I own both a Rollei and the XA, and the XA is definitely more
convenient to use. One of the major reasons is because you do not have to pull
the lens
into position. You may be on to something with the back focus and the
vignetting.
Jim Couch
dreammoose wrote:
> The threads on the XA, light fall off in lenses, vignnetting, etc. are
> facinating.
> One point that I haven't seen is that the XA's use of 'reverse
> retro-focus' design (which I don't pretent to understand) accomplished
> something unique, a lens that doesn't need to move in order to be ready
> to take pictures. The Rollei and Minox are clever designs, but require
> the lens to be manually moved into shooting position, with all the
> potential for trouble that entails. The only trouble I've ever had with
> a contemporary zoom P&S is with the complex and delicate lens extension
> mechanism. I suspect the light fall off in the corners is an intentional
> compromise to obtain the remarkable short back focus of this lens, which
> allowed the exceptionally rugged and compact overall camera design.
>
> Moose
>
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|