Main Features Of Tamron 11-18 mm Zoom Lens –

• High Quality Digital Images
• High Index/High Dispersion glass and Low Dispersion
• various countermeasures

Technical Specifications Tamron SP AF 11-18mm Di II Zoom Lens – 

Model Name – A13
Focal Length – 11-18mm
Maximum Aperture – F/4.5-5.6 
Angle of View (APS-C Sensor) 103° – 75° diagonal
                              93° – 66° horizontal
                              70° – 46° vertical
Lens Construction – 15 elements in 12 groups 
Minimum Focus Distance – 0.25m (9.8″) (throughout the entire zoom range) 
Maximum Mag. Ratio – 1:8
Filter Diameter – 77mm
Overall Length – 78.6mm (3.1″) 
Maximum Diameter – 82.2mm (3.3″
Weight – 375g
Diaphragm Blade – 7 blades 
Minimum Aperture – F/22 – F/29
Standard Accessory – Flower-shaped Lens Hood 
Compatible Mount – Nikon AF-D , Canon AF