17-70mm lens (Pentax or Tamron advice please)

Started 3 months ago | Discussions thread
Kobie M-C
Kobie M-C Forum Member • Posts: 99
Re: 17-70mm lens (Pentax or Tamron advice please)

There's 3 versions of the SIgma 17-70 series of lenses.

V1 = 17-70 F/2.8-4.5 DC Macro

V2 = 17-70 F/2.8-4 DC Macro HSM

V3 = 17-70 F/2.8-4 DC Macro HSM "C"ontemporary.

I personally have the V2 and I've found it to be a very versatile, tack sharp, smooth bokeh producing lens. The ONLY things are that it's not weather sealed, and in backlit situations with the light hitting the lens at the right angle, it severely struggles to nail focus unless you have the lens hood on to block some of the light. This is definitely a lens that absolutely requires its hood.

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 Kobie M-C's gear list:Kobie M-C's gear list
Pentax K-30 Pentax K-3 Pentax smc DA 18-135mm F3.5-5.6ED AL [IF] DC WR Sigma 17-70mm F2.8-4 DC Macro OS HSM Pentax smc DA 18-55mm F3.5-5.6 AL WR +5 more
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