Sigma

Key features:

• Focal length: 30mm
• Aperture range: f/1.4-16
• Sony E-mount lens
• APS-C image sensor format
• Compact and ultra-portable design
• Fast and smooth autofocus stepping motor
• Shallow depth of field for a beautiful bokeh effect
• Designed to minimize flare and ghosting
• 9-blade rounded diaphragm
• Accepts 52mm diameter filters

Key features:

• Focal length: 30mm
• Aperture range: f/1.4-16
• Sony E mount lens
• APS-C format
• 1: 7 maximum magnification
• Fast and smooth autofocus stepping motor
• 9 elements / 7 groups
• 52mm filter thread
• Compact and ultra-portable design

Key features:

• Compatible with high-speed autofocus
• Compatible with AF assist
• Super multi-layer coating
• Water and oil-repellent coating (front element)
• Dust and splash-resistant structure
• Designed to minimize flare and ghosting
• Undergoes SIGMA’s proprietary MTF measuring system
• 11-blade rounded diaphragm
• High-precision, durable brass bayonet mount
• ‘Made in Japan’ craftsmanship

Key features:

• 23mm large aperture lens for Sony E Mount
• Compatible with high-speed autofocus and AF assist
• Compatible with lens aberration correction
• Mount features a dust and splash-resistant structure
• Designed to minimize flare and ghosting
• Supports DMF and AF+MF
• Undergoes Sigma's MTF measuring system to ensure high quality
• 9-blade rounded diaphragm delivers an attractive blur
• Features a high-precision, durable brass bayonet mount
• Comes with an LH554-01 petal-type lens hood

Key features:

• Focal length: 50 - 100mm
• Aperture range: f/1.8-16
• Sigma SA mount lens
• APS-C format 
• Hyper sonic motor focusing (HSM)
• Internal zoom and focus
• 3 FLD glass and 1 SLD glass element
• Rounded 9-Blade Polycarbonate Diaphragm
• Tripod collar- fixed, rotating
• Super multi-layer coating

Key features:

• Focal length: 20mm
• Aperture range: f/1.4-16
• Sigma SA mount lens
• 35mm film / full-frame sensor
• Hypersonic motor focusing (HSM)
• Two aspherical elements
• Two FLD elements and five SLD elements
• Rounded 9-blade diaphragm
• Brass bayonet mount
• Super multi-layer coating

Key features:

• Focal length: 30mm
• Aperture range: f/1.4-16
• Sigma mount lens
• APS-C format
• Hyper-Sonic Motor focusing (HSM)
• Rear Focusing (RF)
• Thermally Stable Composite material
• Brass Bayonet mount
• Flare and ghosting reduction
• Sigma USB Dock compatible

Key features:

• Focal Length: 16-300mm
• Aperture Range: f/3.5 - 6.7
• Sony E-Mount Lens
• APS-C Format
• Optical Stabilization algorithm OS2 
• Wide-angle to Super-Telephoto Lens
• HLA (High-response Linear Actuator) motor 
• 1 Fluorescent Light Daylight (FLD) Elements
• 4 Special Low Dispersion (SLD) Elements
• 4 Aspherical Glass Elements
• 9 (Rounded Diaphragm) 
• Water- and Oil-Repellent Coating 
• Zoom Lock switch
• Dust and Splash Resistant Structure
• 67mm Filter Size