Sigma

Key features:

• Focal length: 20mm
• Aperture range: f/1.4-16
• Canon EF-mount lens
• 35mm Film /Full-Frame Digital Sensor/ Canon (APS-C) format
• Hyper-Sonic Motor focusing (HSM)
• Two FLD elements and five SLD elements
• Two aspherical elements
• Rounded 9-blade diaphragm
• TSC material, Brass bayonet mount
• Sigma USB dock compatible

Key features:

• Focal length: 20mm
• Aperture range: f/1.4 to f/16
• Leica L 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: 23mm
• Aperture Range: f/1.4 to f/16
• Fujifilm X-Mount Lens 
• APS-C Format
• Compatible with high-speed autofocus
• Stepping motor
• Compatible with lens aberration correction with supported cameras
• Lens Construction: 13 elements in 10 groups
• 3 Special Low Dispersion (SLD) Elements
• 2 Aspherical Glass Elements
• Super Multi-Layer Lens Coating
• Mount with dust and splash-resistant structure

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: 20mm
• Aperture range: f/1.4 to f/16
• Leica L 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:

• 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: 20mm
• Aperture range: f/1.4-16
• Nikon F 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:

• All-metal construction
• Manual aperture ring
• Arc-style focus mode switch
• High-speed, accurate autofocus
• Magnetic lens cap and metal lens hood
• Mount with dust and splash-resistant structure
• Designed to minimize flare and ghosting
• Apt for Sony E mount

Key features:

• All-metal construction
• Manual aperture ring
• Arc-style focus mode switch
• High-speed, accurate autofocus
• Magnetic lens cap and metal lens hood
• Mount with dust and splash-resistant structure
• Designed to minimize flare and ghosting

Key features:

• All-metal construction
• Manual aperture ring
• Arc-style focus mode switch
• High-speed, accurate autofocus
• Magnetic lens cap and metal lens hood
• Mount with dust and splash-resistant structure
• Designed to minimize flare and ghosting
• Apt for L mount