Pentax 17-70 f4 or 18-135 WR

Started Jan 10, 2013 | Questions thread
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badsykes1 New Member • Posts: 14
Pentax 17-70 f4 or 18-135 WR


I own a K5 for a while and i had a Sigma 17-70 2.8-4 and because of focus problems (hunting or misfocus) i put the 18-55 WR kit lens back..It feels a more sure focus.

I read on bhpphotovideo site reviews on tamron 17-50 2.8 and sigma 17-50 2.8 and focusing problems or weight are cons..

I wanted a WR mostly but still an objective opinion on both pentax lenses is needed..

Ideally would be the Pentax 17-70 but in WR form..I want something to not hunt in low light and be more or less lighter.My Sigma 17-70 at 500+ grams made me not using the camera too much..After i put the kit lens things got easier for me...The irony is the 18-135 mm WR is lighter than Pentax 17-70.17-70 is fine for me.

Thank you,


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Pentax K-5
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