Tokina 16-28mm f/2.8 FF Opera

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Lens Specifications
Name Tokina 16-28mm f/2.8 FF Opera
Image Circle 35mm
Type Wide Zoom
Focal Length 16 - 28mm
APS Equivalent 1.5x: 24 - 42mm; 1.6x: 25.6 - 44.8mm
Max Aperture f/2.8
Min Aperture f/22
Diaphragm Blades 9
Lens Construction 15 elements in 13 groups, including 3 SD and 3 aspherical elements
Diagonal Angle of View(Based on image circle) 107.1 to 76.9 degrees
Focus Details Internal with SD-M (Silent Drive Module) DC motor; One-Touch Focus Clutch Mechanism
Front Element Rotation No
Zoom System Rotary
Closest Focus 0.28m / 0.92 ft.
Magnification Ratio 0.19x / 1:5.26
Filter Size n/a
Dimensions(Length x Diameter) 133.5mm x 89mm / 5.26 in. x 3.50 in.
Weight 940g / 33.2 oz
Notes Available AF Mounts: Canon EF, Nikon F; Included Accessories: lens cap, fixed petal type hood.
Typical Online Price US$700 (Avail. March 2019)