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Black cylindrical zoom lens with silver focus ring and Sony E-mount base

Tamron

Tamron 28-75mm F/2.8 Di III RXD Sony E-Mount camera lens

SKU CH-EAWW-WGQ5K

A compact f/2.8 zoom for Sony full-frame mirrorless, covering 28-75mm with quiet RXD autofocus, 1:2.9 maximum magnification and moisture-resistant construction

  • TypeZoom Lens
  • ColorBlack
  • Focus TypeAuto Focus
  • Fast f/2.8 aperture creates beautiful background blur
  • Compact 4.6 in length fits easily in any bag
  • Lightweight 19.4 oz design reduces fatigue during long shoots
  • Quiet RXD stepping motor enables smooth video autofocus
  • Close focus 7.5 in at wide angle captures fine detail

Compact f/2.8 zoom for Sony E-Mount

The Tamron 28-75mm F/2.8 Di III RXD is a fast standard zoom built for Sony full-frame mirrorless cameras. It covers wide-angle to short-telephoto focal lengths while maintaining a constant f/2.8 aperture. The lens weighs 19.4 oz and measures 4.6 in long, making it a lightweight option for daily carry. Its moisture-resistant construction and fluorine coating add durability for outdoor shooting.

Build integration and handling

The lens mounts directly to any Sony E-Mount body without an adapter, freeing bag space that a bulkier zoom would occupy. Its 73 mm maximum diameter accepts standard filters, and the RXD stepping motor drives autofocus silently for both stills and video. Close-focusing capability reaches 7.5 in at 28 mm and 15.3 in at 75 mm, allowing detailed near-subject work without extra accessories. The compact form factor keeps the camera balance neutral on smaller grips.

Included accessories and coatings

A fluorine coating on the front element repels water, oil and dust, reducing cleaning time in the field. BBAR coating on all lens surfaces suppresses ghosting and flare for cleaner contrast. The package supplies front and rear caps plus a petal-type hood that blocks stray light and protects the glass. These items let you start shooting immediately without buying separate protection or filtration basics.

Highlights

  • Fast f/2.8 aperture creates beautiful background blur
  • Compact 4.6 in length fits easily in any bag
  • Lightweight 19.4 oz design reduces fatigue during long shoots
  • Quiet RXD stepping motor enables smooth video autofocus
  • Close focus 7.5 in at wide angle captures fine detail

Specifications

TypeZoom Lens
ColorBlack
Focus TypeAuto Focus
BrandTAMRON
ModelNot Available

Questions about this item

Does the constant f/2.8 aperture let in enough light for low-light shooting all the way to 75 mm?

Yes, the maximum aperture stays at f/2.8 across the full 28–75 mm zoom range, so exposure does not drop when you zoom in.

How quiet is the RXD stepping motor during long video takes?

The RXD drive is designed to be extremely quiet, making it suitable for continuous video recording without focus noise.

What camera mount does this lens need to attach directly?

It mounts natively on Sony full-frame mirrorless bodies with the E-mount bayonet.

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