Originally posted by Skipper74 going to canon to get their 24-70mm f2.8 and their 70-200 f2.8 which is apparently one of the best lenses out there. I know its much more expensive but is the quality as good?
Those Canon lenses are for full-frame cameras, and yes you'll get better IQ overall (because of the larger sensor), as well as faster AF, but it'll cost you 2-3 times more if you factor in the body.
The Pentax 16-50mm + 50-135mm combo is great, plus it has weather sealing if you need that. The IQ is going to be
much better than that of your 18-135mm, though I would think twice about selling your 15mm if I were you!
Personally I find that there are better alternatives to the 16-50mm, however, and I would recommend that you read this review:
DA* 16-50mm vs. Sigma and Tamron 17-50mm F2.8 Comparison - Introduction - PentaxForums.com
While we don't have an in-depth review of the 50-135mm yet (it will be posted in February), it gets a lot of praise from users:
SMC Pentax-DA* 50-135mm F2.8 ED [IF] SDM Reviews - DA Zoom Lenses - Pentax Lens Reviews & Lens Database
While I personally wish that the 50-135mm were a bit longer, it is an extremely sharp lens! The only main issue with it is the relatively slow AF.
Adam
PentaxForums.com Webmaster (
Site Usage Guide |
Site Help |
My Photography)
PentaxForums.com server and development costs are user-supported. You can help cover these costs by
donating or purchasing one of our
Pentax eBooks. Or, buy your photo gear from our affiliates,
Adorama,
B&H Photo,
KEH, or
Topaz Labs, and get
FREE Marketplace access - click here to see how! Trusted Pentax retailers: