Ralf Engelmann writes:
> 1. It is not as radical as the 15mm wides of the other companies,
[...]
I thought Pentax was still making the SMC-A 15mm f/3.5. If not, there must
still be a fair bit of old stock sitting around as last time I looked they were
available from B+H.
> 2. Af is not that much useless with a 18mm than it is with a 15mm.
> The very wide coverage of the new SAFOX VII makes especially sense in
> this lens range too.
I have never seen a need for AF at 15mm, but that's just my experience. I
rarely need AF with the 24mm.
> 4. This is one of the few focal lengths not covered in the Pentax FA
> range meanwhile. While this is no special advantage of course, it is
> nice that they still introduce new focal lengths instead of just
> modifying existing lenses. So there are chances that there will be a
> FA* 3.5/400mm some day, a lens I think is needed for a professional
> perception of Pentax.
I'd go for a 400mm f/4.0. F/3.5 is only half a stop slower than f/2.8 and will
thus probably remain heavy and expensive. An f/4.0 lens would probably
remain handholdable and reasonably affordable, while giving a decent amount
of speed (even allowing a 1.4x TC with AF coupling, if one existed).
Cheers,
- Dave
David A. Mann, B.E.
email [EMAIL PROTECTED] * http://www.digistar.com/~dmann/
"Why is it that if an adult behaves like a child they lock him up,
while children are allowed to run free on the streets?" -- Garfield
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