Sigma

Key features:

• Focal length: 35mm
• Aperture range: f/1.2-16
• Leica L-mount lens
• Full-frame format
• Hyper-Sonic Motor focusing
• 17 elements in 12 groups construction
• Full-time manual focus
• 11-blade rounded diaphragm
• High-precision, rugged brass bayonet mount

Key features:

• Focal length: 135mm
• Aperture range: f/1.8-16
• Leica L mount lens
• 35mm film / full-frame sensor
• Hypersonic motor focusing (HSM)
• Two FLD elements, two SLD elements
• Rounded 9-blade diaphragm
• Brass bayonet mount
• Super multi-layer coating

Key features:

• Focal length: 50mm
• Aperture range: f/1.4-16
• Leica L mount lens
• 35mm film / full-frame sensor
• Hypersonic motor focusing (HSM)
• Precision-molded aspheric lens element
• Rounded 9-blade diaphragm
• Brass bayonet mount
• Super multi-layer coating

Key features:

• Focal Length: 90mm
• Lens construction: 11 elements in 10 groups
• 5 SLD and 1 aspherical lens elements
• 27.0° Angle of view 
• L-Mount     
• STM Autofocus Motor
• 9-blade rounded diaphragm
• Support DMF and AF+MF
• Super Multi-Layer Coating
• Mount with dust and splash resistant structure
• Compatible with SIGMA USB DOCK UD-11 (for L-Mount only)

Key features:

• Focal length: 105mm
• Aperture range: f/2.8-22
• L-mount lens
• Full-frame camera format
• Ultra-sharp focal plane minimizes flare and ghosting
• Hypersonic Motor for confident, quiet, accurate AF
• Autofocus/Manual focus switch
• Manual aperture ring with click/declick switch
• 9-bladed rounded aperture for pleasing bokeh
• Dust and splash-proof construction with gasketing