Tamron A046SF 17-28 mm f/2.8Di III RXD Lens. 

Tamron, The Tamron 17-28mm f/2.8 Di III RXD (Model A046SF) is a fast, ultra-wide-angle zoom lens designed specifically for full-frame Sony E-mount mirrorless cameras.Tamron A046SF 17 -28 mm f/2.8Di III RXD,is also available at Sensato Trade platform.

Tamron A046SF 17 -28 mm f/2.8Di III RXD,                                Technical Specifications

Specification                        Details

Focal Length                        17 to 28mm

Maximum Aperture              f/2.8 (constant throughout zoom)

Minimum Aperture                f/22

Lens Mount                           Sony E-mount

Format Compatibility            Full-Frame.

Angle of View                       103° 41' to 75° 23'

Minimum Focus                     Distance 7.48 inches / 19 cm (at                                                17mm wide end).

Maximum Magnification        0.19x (Macro Reproduction Ratio                                                  1:5.2)

Optical Design                       13 elements in 11 groups

Special Elements                    eXtra Low Dispersion (XLD) &                                                      Low Dispersion (LD) elements

Diaphragm Blades                  9, Rounded

Filter Size                                67 mm (Front thread)

Dimensions                             (ø x L) 2.87 x 3.9 inches / 73 x                                                    99 mm

Weight                                     14.8 oz / 420 g

Tamron A046SF 17 -28 mm f/2.8Di III RXD,Physical & Autofocus Features.

• RXD Stepping AF Motor: Features a Rapid eXtra-silent stepping Drive system for fast, precise, and quiet autofocus performance, making it highly suitable for both still sand video tracking. 

• Internal Zoom Mechanism: The lens barrel does not extend or retract while zooming, maintaining a stable center of gravity which is excellent for gimbal users.

• Weather Resistance: Equipped with a moisture-resistant construction and a protective rubber gasket at the lens mount.

Camera Sensor Compatibility.

• Full-Frame Sony E-Mount (FE): This lens is designed natively for full-frame sensors. It offers a versatile 17-28mm ultra-wide perspective with no cropping on popular bodies like the Sony A7 series, A9 series, and Alpha 1 series. 

• APS-C Sony E-Mount: It is physically compatible with Sony APS-C crop sensor cameras like the A6000, A6400, or A6700. However, the camera will automatically apply a 1.5x crop factor, altering the equivalent focal range to approximately 25.5–42mm.

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