new Canon lens - Printable Version +- Opticallimits (https://forum.opticallimits.com) +-- Forum: Forums (https://forum.opticallimits.com/forumdisplay.php?fid=4) +--- Forum: Canon EOS (https://forum.opticallimits.com/forumdisplay.php?fid=11) +--- Thread: new Canon lens (/showthread.php?tid=1761) |
new Canon lens - Klaus - 08-22-2013 EF-S 55-250mm f/4-5.6 IS STM http://www.usa.canon.com/cusa/consumer/products/cameras/ef_lens_lineup/ef_s_55_250mm_f_4_5_6_is_stm Besides the new STM drive it also features a new optical design. manufacturer MTFs: http://cweb.canon.jp/ef/lineup/ef-s/ef-s55-250-f4-56is-stm/img/spec/mtf.png vs old http://cweb.canon.jp/ef/lineup/ef-s/ef-s55-250-f4-56is-ii/img/spec/mtf.png And soon here in the zone. new Canon lens - Brightcolours - 08-22-2013 And a very different optical design too... It went from a 12 elements 10 groups design to a 15 elements 12 groups design. old: new: |