Sigma 17-70 or Pentax 16-45?

Started Oct 10, 2006 | Discussions thread
K1000Photographer Veteran Member • Posts: 6,894
Re: Sigma 17-70 or Pentax 16-45?

John Bean (UK) wrote:

K1000Photographer wrote:

I looked at the various comparisons on PBase and am amazed that it
could even match a supposedely good prime for IQ. But it is rather
big compared to my usual primes.

And heavy. This is no lightweight lens so keep that in mind too,

I see it is a pound, which is about 3 1/2 to 4 times the weight of a DA 21. The lens itself looks to be similar in size to the kit lens but even then, you add a petal hood to it and it gets big and ugly.

How is the AF on it? I have a Sigma 28-90 that is very fast. The lens is not the sharpest tool in the shed but has color and contrast at least as nice as the kit lens but has good bokeh.

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