Preorders:
BHphoto, Amazon, Adorama, FotoErhardt, Fotokoch, WexUK, Calumet.
Reviews (some for L and some for E-mount version):
Article on Explora. SonyAlphaBlog.
Comparison with the Sigma 50mm f/1.4:
- New lens has 40cm close focus instead of 45cm close focus of the f/1.4
- New lens has 17 elements in 12 groups instead of the 14 elements in 11 groups
- 13 aperture blades instead of the 11 blades
- 81mm width compared to 78.2mm
- 108.8mm height instead of 111.5mm
- 745g instead of 670g
- $1399 instead of $849
Youtube reviews (some for L and some for E-mount version):