Tamron 70-300mm f/4.5-6.3 Di III RXD Lens for Nikon Z

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Tamron 70-300mm f/4.5-6.3 Di III RXD Lens for Nikon Z

  • Z-Mount Lens/Full-Frame Format
  • Aperture Range: f/4.5 to f/22
  • Low Dispersion Front Element
  • BBAR Broad-Brand Anti-Reflection Coating
  • RXD Stepping AF Motor
  • Moisture-Resistant Construction
  • Rounded 7-Blade Diaphragm
  • 67mm Filter Diameter

Arriving as the first Tamron lens for Nikon mirrorless cameras, is the Tamron 70-300mm f/4.5-6.3 Di III RXD Lens for Nikon Z mount. It has been developed as the world’s smallest and lightest telephoto zoom lens, balancing its compact size with high image quality. The 70-300mm f/4.5-6.3 Di III RXD measures a mere 150.3mm long with a maximum diameter of 77mm and weighs just 580g. This compact size ensues photographers who want to travel light with a telephoto zoom have a great option to bring for landscapes and sports, as well as portraits, bird photography and casual snaps.


  • World’s smallest and lightest telephoto zoom lens at this range
  • Excellent optical performance with high resolution from edge-to-edge at 300mm
  • Exceptionally fast and quiet AF with RXD (Rapid eXtra-silent stepping Drive) stepping motor
  • Tamron Lens Utility software for Nikon Z users to update lens
  • Moisture resistant construction
  • Anti reflective BBAR coating

Thanks to extremely quiet RXD focusing motor technology, this Tamron lens can be used in situations such as weddings and concerts as well as for pet and wildlife photography where quiet is essential.


Having been designed specifically for mirrorless cameras, with an F6.3 aperture at the telephoto end, the 70-300mm f/4.5-6.3 is the world’s smallest and lightest full-frame mirrorless telephoto zoom lens. It measures 150.3mm (5.9 in) long with a maximum diameter of 77mm and weighs just 580g (20.5 oz).

The zoom range makes it easy for photographers to experience compression and limited depth-of-field unique to a powerful telephoto lens. This Z mount lens is also ideal for users who want to reduce their luggage weight and hike with a lighter load on trails and nature walks.


The 70-300mm F4.5-6.3 optical design successfully balances a compact size with high image quality. The optical construction includes 15 elements in 10 groups, with an LD (Low Dispersion) lens element to suppress axial chromatic and other aberrations which are common with telephoto zoom lenses. When zoomed in to 300mm, which is a commonly used telephoto focal length, the lens delivers excellent resolution from edge-to-edge. The results are extremely crisp and clear throughout the entire zoom range thanks to Tamron’s BBAR Coating, which is renowned for providing excellent anti-reflection qualities.


The AF drive incorporates a sensor that accurately detects the position of the lens while the RXD motor unit delivers optimised AF control. This delivers very fast and accurate autofocusing and allows users to maintain pin-sharp focus even with continuously moving subjects, which are common subjects for telephoto zoom lenses. Thanks to the exceedingly quiet AF, the lens can be used discreetly in concert halls and other situations that require low noise levels, as well as for video shooting.


Users can employ the dedicated TAMRON Lens Utility software that was developed in-house by for Nikon’s Z mount system. This enables you to easily update the lens to the latest firmware, without going through your camera.


Tamron has included seals which are located at the lens mount area and other critical locations to inhibit moisture infiltration and rain from entering the lens. This provides an additional layer of protection when shooting outdoors during adverse weather conditions.

In the Box

  • Tamron 70-300mm f/4.5-6.3 Di III RXD Lens for Nikon Z
  • Rear Lens Cap
  • Lens Hood
  • Tamron SP Front Lens Cap (67mm)

Tamron 70-300mm F/4.5-6.3 Di III RXD Specs

Focal Length 70 to 300mm
Maximum Aperture f/4.5 to 6.3
Minimum Aperture f/22 to 32
Lens Mount Nikon Z
Lens Format Coverage Full-Frame
Angle of View 34° 21' to 8° 15'
Minimum Focus Distance 31.5" / 0.8 m
Optical Design 15 Elements in 10 Groups
Diaphragm Blades 7, Rounded
Focus Type Autofocus
Image Stabilization No
Filter Size 67 mm (Front)
Dimensions (ø x L) 148 x 77 mm
Weight 545 g

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