Archived posting to the Leica Users Group, 1997/07/28
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On 27 Jul 97 at 14:16, Thomas J. Donovan wrote:
> Willem-Jan Markerink,
>
> >>that's the cause of my confusion too...70-180 report is in the Jan issue<<
>
> Not sure what periodical you are referring to; however, in the July 1996 issue
> of "BAS report Leica R-lenses" test results, page 31, in the first paragraph of
> the test on the f2.8/70-180 Vario-APO Elmar, I quote: " No focus difference for
> IR exposures".
Sorry, I thought you were referring to FotoMagazin....seems as if
both periodicals run more than a wee bit out of sync....8-))
> It also states under optical performance, an: " Average sharpness~0.008 mm &
> better"; which if my math is correct equates out to about 125LPM. Assuming this
> occurs at f2.8 & gets better thru f8; it's one hell of a lens :~)!
That part made it into FotoMagazin....I wasn't questioning overall
quality actually....but why did they leave out this IR-remark for
crying out loud!?!....;-))
It's also one hell of a price....
Thanks for the info, must go now, time to put my mask on and rob a
bank!....:-))
- --
Bye,
Willem-Jan Markerink
The desire to understand
is sometimes far less intelligent than
the inability to understand
<w.j.markerink@a1.nl>
[note: 'a-one' & 'en-el'!]