via CameraSize
The new Sigma 50mm ART FE lens is just slightly longer than the Zeiss. The Zeiss is a bit thicker and a bit lighter. Of course in terms of lightness the Sony 1.8 beats everything by far. Dind’t include the Samyang 50mm as it isn’t listed on the CameraSize database.
Links to the three 20mm lenses:
Zeiss 50mm at [shopcountry 71585]
Sigma 50mm at [shopcountry 71586]
Sony 50mm at [shopcountry 71587]
New Sigma FE lenses:
All lenses listed on one page at BHphoto (Click here).
Sigma 14mm f/1.8 for $1,599 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 20mm f/1.4 for $899 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 24mm f/1.4 for $849 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 35mm f/1.4 for $899 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 50mm f/1.4 for $949 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 70mm macro for $569 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 85mm f/1.4 for $1,199 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 105mm f/1.4 for $1,599 at BHphoto, FocusCamera, Amazon and Adorama.
Sigma 135mm f/1.8 for $1,399 at BHphoto, FocusCamera, Amazon and Adorama.