Which Lens? 20-35L/Canon 20-35 3.5-4.5/ Sigma 17-35 2.8-4

[andrew1]

Am looking into trading some Nikon Equipt. for one of these three lens .
Would appreciate any feedback.
Andrew1

[Andy_T]

Hi,

These might be interesting for you :wink:

http://194.100.88.243/petteri/pont/How_to/m_Mastering_Wide-Angle/m_Mastering_Wide-Angle.html

http://194.100.88.243/petteri/pont/Reviews/d_Tokina_AT-X_17mm/a_Tokina_AT-X_17_mm.html

http://194.100.88.243/petteri/pont/Reviews/a_Sigma_12-24_f4.5-5.6/a_Sigma_EX_12-24_f4.5-5.6.html

http://www.photozone.de/

http://luminous-landscape.com/reviews/lenses/16-35.shtml

Best regards,
Andy