Tamron SKU: AFB028N-700 | Helix SKU: TRAFB028N700
The power of ultra-telephoto. The versatility of all-in-one. Powerful performance that exceeds your imagination. Introducing the world’s first ultra-telephoto all-in-one zoom with a 22.2X zoom range. Now you can shoot everything from vast landscapes to details of a bird with a single lens. The latest optical design includes a complex series of elements including LD (Low Dispersion) glass and an aspherical lens. Problems like chromatic aberration and distortion are controlled throughout the entire zoom range, resulting in sharp, superior images—whether you’re shooting at wide-angle or telephoto. Capture thrilling close-up action in a snap.
• World’s first 22.2x ultra-telephoto all-in-one zoom lens
• 620mm full-frame equivalent telephoto reach
• VC for confident telephoto shooting
• HLD means quick, accurate and quiet autofocus
• 1:2.9 Max. Mag. Ratio for versatile close-up capability
• Moisture-Resistant Construction
• Compatible with TAMRON TAP-in Console™, an optional accessory product.
Model Name B028
Filter Diameter Ø72mm
Focal Length 18-400mm
Maximum Diameter 3.1 in.
Format size Di II Length* 4.8 in.
Maximum Aperture F/3.5-6.3
Minimum Aperture F/22
Diaphragm Blades 9 (circular diaphragm)
Diagonal Angle of View 34°21' - 12°21' (for full frame format cameras)
Image Stabilization Performance** 3.5 stops 22°33' - 7°59' (for APS-C format cameras)
Standard Accessory Hood and caps
Lens Construction 16 elements, 11 groups
Minimum Focus Distance 17.7 in.
Compatible Mount Canon, Nikon
Max. Mag. Ratio 1:2.9
Weight* 25.6 oz.