Lenstip has tested it: http://www.lenstip.com/2000-news-Canon_EF_40_mm_f_2.8_STM_-_lens_review.html
The most lovable part of the review is this picture though:
<img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='' />
They say the vignetting is "huge" but it's definitely not 24/1.4L "huge".
The most lovable part of the review is this picture though:
<img src='http://forum.photozone.de/public/style_emoticons/<#EMO_DIR#>/biggrin.gif' class='bbc_emoticon' alt='' />
They say the vignetting is "huge" but it's definitely not 24/1.4L "huge".