Sigma 17-70 or Pentax 16-45?

Started Oct 10, 2006 | Discussions thread
K1000Photographer Veteran Member • Posts: 6,894
Re: Sizes etc.

Thanks for the sizes. The focal length range is good and would allow the use of one lens instead of two. The IQ looks to be quite good although it has a fair zoom range. The petal hood is still something that I will have to deal with. Maybe I can find a shorter one for inside use.

Having a short twist will make it focus faster. My el cheapo 28-90 has a twist of no more than 1/8 turn to go from 8 inches to infinity. The DS makes these really short blips when focussing outside. CAF tracks beautifully.

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