On 8 Nov 2002 at 15:59, Julian Loke wrote:
> > I remember in one of Canon technical report/reference guide (back in
> > 1996, when Canon introduce their 180 L macro) they listed these
> > lenses working distance for 1:1 magnification as follows: EF 50mm
> > f/2.5 Compact Macro 9 cm (w/ 1:1 converter) EF 100mm f/2.8 Macro
> > 15 cm EF 180mm f/3.5L Macro USM 25 cm I'll check again if
> > I can found the technical report at home tonight.
>
> Hi Bambang,
>
> Thank you for your post. I would really appreciate if you could check
> your source. Especially the value for the old EF 100mm f/2.8 Macro.
>
> I only have an old Canon EOS "Close-up System" brochure from 1992
> (PUB.C-E1-CUA) which predates the 180L macro. Surprisingly, it does
> not show *ANY* WORKING distances at all!
>
> Nor does it appear in the Lens Technical Report 7 in the technical
> library at http://www.cps.canon-europa.com
> http://www.cps.canon-europa.com/servlet/binaryFiles?blobOid=314909
Btw, I get PDF-errors on the latter document, several page-value
errors, and a different type of error at the bottom (and only once,
while browsing down, not when browsing up again)....never seen those
before....
--
Bye,
Willem-Jan Markerink
The desire to understand
is sometimes far less intelligent than
the inability to understand
<[EMAIL PROTECTED]>
[note: 'a-one' & 'en-el'!]
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