From: John Francis
On Tue, Aug 30, 2011 at 07:25:41PM -0400, Paul Stenquist wrote:
On Aug 30, 2011, at 4:42 PM, Collin Brendemuehl wrote:
They've got that 55/1.4 that I drool after, so how about a
30/1.4, and a companion 15ish fast lens?
The fast 30 is a worthy goal, but they have a 14/2.8. Can't much
faster than that without getting really big and expensive.
Perhaps a 100/2 or /1.7?
Probably not enough buyers, considering the price that that a lens
that long and fast would require-- probably 2K. I think it would
require a front element of at least 90 mm.
I rather doubt that. If a 200/f2.8 can be made with a 72mm front
element, I'd expect a 100mm/1.7 to be possible at something smaller
than that - possibly even sharing the same filter thread as the
50-135/f2.8.
The A*200/f2.8, FA*200/f2.8 & DA*200/f2.8 all have 77mm front filter. As
did the A*135/f1.8.
http://kmp.bdimitrov.de/lenses/primes/tele/index.html
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