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Black cylindrical zoom lens with silver accent ring and Sony E mount

Tamron

Tamron 70-300mm f/4.5-6.3 Di III RXD Sony E-Mount camera lens

SKU CH-QD06-W0Z69

A lightweight 70-300mm zoom for Sony E-mount mirrorless cameras, offering close focus at 31.5 inches wide and 59.1 inches tele with moisture-resistant construction

  • Product typeZoom Lens
  • Compatible withMirrorless Camera
  • Product colorBlack
  • Lightweight 545 g design eases all-day carrying
  • Compact 148 mm length fits small bags
  • Versatile 70-300 mm zoom covers diverse subjects
  • Close focus 31.5 cm wide and 59.1 cm tele
  • Moisture-resistant build protects in damp conditions

Compact telephoto zoom for Sony E-mount

The Tamron 70-300mm f/4.5-6.3 Di III RXD is a lightweight zoom lens built for Sony full-frame and APS-C mirrorless cameras. It covers a versatile 70-300mm focal range in a body that measures 148mm long and weighs 545g. Photographers who want reach without bulk will find it suited to travel, wildlife and everyday shooting.

Sustained handling and close focus

The lens uses an RXD stepping motor for quiet, consistent autofocus during extended sessions, while the moisture-resistant construction and aluminium-magnesium mount maintain reliability in changing conditions. Optical performance stays steady across the zoom range thanks to 15 elements in 10 groups, including a low-dispersion element that controls chromatic aberration. Minimum focus distances of 31.5 inches at 70mm and 59.1 inches at 300mm let you work closer to subjects than many telephoto zooms allow.

Variable aperture defines low-light limits

The maximum aperture shifts from f/4.5 at the wide end to f/6.3 at 300mm, so shutter speeds drop as you zoom in. Buyers who need a constant f/2.8 or faster aperture throughout the range for indoor sports or night wildlife should look elsewhere, because this design prioritises small size and 545g weight over light-gathering power.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $317.99
Cheaper than about 74% of the 2,570 comparable items (median $546.49).

Specifications

Product
Brand nameTAMRON
Product typeZoom Lens
Product colorBlack
Compatibility
Compatible withMirrorless Camera

Questions about this item

How much heat or noise does the lens generate during all-day wildlife shooting?

The lens has no moving parts that produce heat or audible noise; only the internal RXD focus motor runs, which is near-silent and adds negligible warmth even after hours of continuous use.

What camera body and mount must I already own to use this lens?

You need a Sony E-mount mirrorless body — full-frame or APS-C — because the lens is built exclusively for that mount and has no adapter in the box.

Will the 77 mm filter thread and 148 mm length balance on an older APS-C body I still use?

At 545 g and 148 mm long the lens keeps the centre of gravity close to the mount, so even lighter APS-C bodies handle it without front-heavy strain.

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