Tamron 17-28mm f/2.8 Di III RXD Lens 

Key Specifications

• Model: Tamron 17-28mm f/2.8 Di III RXD (Model A046)
• Lens Type: Ultra Wide-Angle Zoom Lens
• Lens Mount: Sony E
• Camera Compatibility: Sony Full-Frame & APS-C E-Mount Mirrorless Cameras
• Focal Length: 17-28mm
• Maximum Aperture: f/2.8
• Minimum Aperture: f/22
• Autofocus Motor: RXD (Rapid eXtra-silent Stepping Drive)
• Image Stabilization: No Optical Image Stabilization
• Minimum Focusing Distance: 0.19m (Wide) / 0.26m (Tele)
• Maximum Magnification: 1:5.2 (Wide) / 1:6 (Tele)
• Filter Size: 67mm
• Weight: Approx. 420g
• Lens Construction: 13 Elements in 11 Groups
• Diaphragm Blades: 9 (Rounded)
• Series: Tamron Di III RXD

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

The Tamron 17-28mm f/2.8 Di III RXD Lens is a compact ultra wide-angle zoom lens designed exclusively for Sony E-mount full-frame mirrorless cameras. It combines an ultra-wide 17-28mm zoom range with a constant f/2.8 aperture, delivering excellent image quality while remaining lightweight and highly portable.

Ideal for landscape photography, architecture, interiors, travel, astrophotography, real estate photography, and video production, the lens features Tamron's RXD (Rapid eXtra-silent Stepping Drive) autofocus system for fast, quiet, and accurate focusing. Advanced optical elements suppress chromatic aberration and distortion, while moisture-resistant construction and a fluorine-coated front element make it reliable for outdoor photography.
Comprising a flexible wide-angle range, the 17-28mm f/2.8 Di III RXD from Tamron is a versatile zoom for full-frame Sony E-mount mirrorless cameras. Covering ultra-wide to wide focal lengths, this lens is particularly suitable for landscape, astrophotography, and architectural shooting. Its bright f/2.8 constant maximum aperture complements this range and affords increased control over depth of field along with enhanced low-light performance. The optical design incorporates a both XLD and LD elements, which produce a highly corrected image with reduced chromatic aberrations and color fringing for improved clarity and color accuracy. Individual elements also feature Tamron’s BBAR coating, which suppresses flare and ghosting for greater contrast when working in backlit and harsh lighting conditions. Additionally, adding to the versatility, an RXD stepping motor enables quick, near-silent autofocus performance to suit stills and video, along with full-time manual focus override and a minimum focusing distance of 7.5″. Suiting this lens’s use in inclement weather conditions, it also features a moisture-resistant construction along with a fluorine-coated front element to protect against fingerprints and smudging. 

Tamron 17-28mm f/2.8 Di III RXD Lens Price in Kenya

Tamron 17-28mm f/2.8 Di III RXD Lens Full Specifications

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

• Ultra wide-angle 17-28mm zoom range
• Constant f/2.8 maximum aperture
• RXD stepping motor autofocus
• Compact and lightweight design
• Premium optical construction with XLD and LD elements
• BBAR anti-reflective coating
• Moisture-resistant construction
• Fluorine-coated front element
• Excellent close-focusing capability
• Standard 67mm filter thread
• Compatible with Sony Eye AF
• Optimized for Sony full-frame mirrorless cameras

Tamron 17-28mm f/2.8 Di III RXD Lens Optical Performance

• Produces exceptional sharpness throughout the zoom range with excellent edge-to-edge resolution.
• XLD (eXtra Low Dispersion) and LD (Low Dispersion) elements effectively minimize chromatic aberration and color fringing.
• BBAR coating significantly reduces flare and ghosting, maintaining excellent contrast even in backlit scenes.
• Constant f/2.8 aperture delivers consistent exposure and excellent low-light performance.
• Excellent close-focusing capability enables dramatic wide-angle close-up photography with strong perspective effects.
• Delivers high contrast, vibrant colors, and impressive detail on high-resolution Sony sensors.
• Excellent control of distortion makes it suitable for architecture and interior photography.
• Performs exceptionally well for landscapes, astrophotography, travel, and professional video production.

Tamron 17-28mm f/2.8 Di III RXD Lens Autofocus Performance

• RXD (Rapid eXtra-silent Stepping Drive) autofocus motor delivers fast, accurate, and exceptionally quiet autofocus.
• Smooth autofocus performance makes the lens suitable for both photography and video recording.
• Fully compatible with Sony Fast Hybrid AF, Eye AF, Face Detection AF, and Direct Manual Focus.
• Reliable subject tracking for moving subjects during continuous shooting.
• Internal focusing system provides smooth focus transitions and improved precision.
• Quiet autofocus minimizes focus motor noise during video recording.
• Responsive manual focus override allows precise focus adjustments.
• Maintains dependable autofocus performance in both bright daylight and low-light environments.

Tamron 17-28mm f/2.8 Di III RXD Lens Design & Build Quality

• Compact 420g construction makes it one of the lightest ultra wide-angle f/2.8 zoom lenses in its class.
• Internal zoom design maintains consistent balance during zooming, making it ideal for handheld shooting and gimbal use.
• Moisture-resistant construction protects the lens during outdoor photography.
• Fluorine-coated front element resists fingerprints, dust, water, and oil for easier cleaning.
• Durable engineering ensures reliable long-term performance in demanding environments.
• Precision zoom and focus rings provide smooth and comfortable operation.
• Standard 67mm filter thread allows filter sharing with many other Tamron lenses.
• Premium exterior finish complements Sony Alpha mirrorless camera systems while maintaining excellent portability.

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

This lens is compatible with:

• Sony Alpha A1 II
• Sony Alpha A1
• Sony Alpha A9 III
• Sony Alpha A9 II
• Sony Alpha A7R V
• Sony Alpha A7R IV
• Sony Alpha A7 IV
• Sony Alpha A7 III
• Sony Alpha A7C II
• Sony Alpha A7C
• Sony Alpha A6700
• Sony Alpha A6600
• Sony Alpha A6400
• Sony FX3
• Sony FX30
• Sony ZV-E1
• Sony ZV-E10
• Other Sony E-mount mirrorless cameras

Tamron 17-28mm f/2.8 Di III RXD Lens Ideal Use

• Landscape photography
• Architecture photography
• Interior photography
• Real estate photography
• Travel photography
• Astrophotography
• Street photography
• Vlogging
• Video production
• Event photography
• Content creation

Tamron 17-28mm f/2.8 Di III RXD Lens Pros & Cons

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

The Tamron 17-28mm f/2.8 Di III RXD Lens is an outstanding ultra wide-angle zoom that combines exceptional optical performance, a bright constant f/2.8 aperture, fast and quiet RXD autofocus, and an incredibly compact design. Its impressive sharpness, lightweight construction, and weather-resistant build make it an excellent choice for landscape, architecture, travel, astrophotography, and video creators using Sony E-mount mirrorless cameras. At KSh 96,700, it offers excellent value for photographers seeking a professional-quality ultra-wide zoom lens.