On 21 Aug 2003 at 0:47, Willem-Jan Markerink wrote: > On 20 Aug 2003 at 13:25, Tapani Tarvainen wrote: > > > On Wed, Aug 20, 2003 at 12:08:02PM +0200, Marco Kost > > ([EMAIL PROTECTED]) wrote: > > > > > There will also be a new lens called EF-S 18-55, which is the > > > equivalent to 29-88mm for film. It will be only available in > > > combination with an EOS 300D. > > > > Moreover it will apparently only work with the 300D, not with any > > older EOS body! A rather radical move from Canon's part. > > Not sure if any of the sites mentions it, but according to Robert > Scott's newsletter, the cause is the shorter back-focus (distance > between rear lens and film), which is easy to compromise if you use a > smaller mirror, which can be done only because of the smaller chip- > size. (but which probably has *not* been done before on the > other/older less-than-full-size-chip digicams!) And it is this mirror > that prevents a classic/symmetric lens design normally, and using a > telefocus design instead....the classic/symmetric design is easier, > even though it suffers more from the cos^4 light-fall off.
Hadn't read their site yet, but this confirms it all: http://www.eos-magazine.com/News_41_EF-S%2018-55.html -- 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'!] * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
