Tamron

Key features:

• 17 to 50mm Focal Length
• Aperture Range: F4-F22 
• Sony E-Mount
• Lens Construction: 15 elements in 13 groups
• 9 (circular diaphragm) aperture blades
• 67mm filter size
• BBAR-G25 Coating
• Moisture-Resistant Construction
• Fluorine Coating (Front Rear surfaces)
• Tamron Lens Utility

Key features:

• 20mm focal length
• F2.8 aperture
• Sony E mount lens
• Full frame camera format
• Maximum magnification ratio of 1:2
• Accepts 67mm diameter filters
• One molded glass aspherical lens
• Three LD (Low Dispersion) lens elements
• Moisture-resistant construction
• Fluorine coating for easy cleaning

Key features:

• 24mm focal length
• F2.8 aperture
• Sony E mount lens
• Full frame camera format
• Maximum magnification ratio of 1:2
• Accepts 67mm diameter filters
• One molded glass aspherical lens
• Three LD (Low Dispersion) lens elements
• Moisture-resistant construction
• Fluorine coating for easy cleaning

Key features:

• 24mm focal length
• f/2.8 aperture
• Sony E mount lens
• Full frame camera format
• Maximum magnification ratio of 1:2
• Accepts 67mm diameter filters
• One molded glass aspherical lens
• Three LD (Low Dispersion) lens elements
• Moisture-resistant construction
• Fluorine coating for easy cleaning

Key features:

• Fast Hybrid AF
• Eye AF
• Direct Manual Focus (DMF)
• In-camera lens correction
• Circular aperture
• Moisture-resistant construction
• BBAR-G2 coating
• Zoom Lock switch
• Fluorine coating