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18-135mm lens advice Pentax or Sigma AF

Started May 1, 2012 | Discussions thread
awaldram
awaldram Forum Pro • Posts: 13,271
Re: 18-135mm lens advice Pentax or Sigma AF

you didn't say what sigma .?

Pentax da 18-135 £419
Sigma hsm 18-125 £219
Sigma Hsm 18-250 £399

From what I've seen the Pentax is very good portrait lens due to strong centre performance but weak edges
The Sigma 18-125 solid on all areas but never excels.

The Sigma 18-250 strange one this over corrected optics leads to very linear performance but at the expense of resolution.

Personally I think the Pentax/Tamron 18-250 is still the class leader in K mount genreal purpose superzooms, Pity the 18-270 will never get k-mounted

 awaldram's gear list:awaldram's gear list
Pentax K-x Pentax Q Olympus PEN E-PM2 Pentax Q7 Pentax K-3 +17 more
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