Sigma

Key features:

• Focal Length: 18-50mm
• Aperture Range: F2.8- F22
• Lens Construction：10 groups, 13 elements (1 SLD and 3 aspherical lenses
• Angle of View (APS-C)：76.5° (W) -31.7° (T)
• Diaphragm Blades：7 (rounded diaphragm)
• Minimum focusing distance:：4.8 (W) -11.9 (T) in.
• Maximum magnification ratio: 1:2.8 (W) -1:5(T)
• Working distance of just over an inch (2.7cm) from the front element at 18mm
• Versatile focal range and excellent optical performance
• Stepping motor provides swift, accurate, and quiet autofocus
• High-precision, durable brass bayonet mount with dust and splash-resistant structure

Key features:

• 13 elements in 10 groups lens construction
• Compatible with high-speed autofocus
• Compatible with Lens Aberration Correction
• Support DMF and AF+MF
• Super Multi-Layer Coating
• Mount with dust and splash resistant structure
• Push-on petal type hood LH706-02
• Designed to minimize flare and ghosting
• 7-blade rounded diaphragm
• ‘Made in Aizu, Japan’ craftsmanship

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