I'm currently using a Tamron 28-75 f2.8 XR Di on my D, and it's quite nice (43-115 equivalent). But that lens is known as a better performer than the Sigma and the Tamron is very inexpensive new. I wouldn't get the Sigma unless it was significantly cheaper than the Tamron 28-75.

-Adam

Thibouille wrote:

Have the opportunity to buy these lenses. Primary use will be ist-D
but Z1 and others also (see signature). What do you think of these?

* Sigma 28-70mm 2.8EX Asph
* SMC Pentax-F 28mm 2.8
* SMC Pentax-F 20mm 2.8

How are these doing on the D? I seem to remember that the 20mm wasn't
all that...
I do not currently own any 2.8 zoom. Of course 28-70mm on a D is not
that interesting...
28mm makes a 35mm (more or less) and a 20mm makes a 30mm.

My Only AF prime is FA 50mm 1.4. I also have the DA 18-55anf the F
70-210 but a couple primes would be cool ;)

----------------------
Thibouille
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*ist-D,Z1,SFXn,SuperA,KX,MX, P30t and KR-10x ...

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