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Tamron announces entry into Z mount lenses with development of 70-300mm f/4.5-6.3


Overnight, Tamron announced the development of the 70-300mm f/4.5-6.3 Di III RXD (model A047) for Nikon Z mount systems. The lens is expected to ship this fall.

Tamron’s 70-300mm — which is currently available for Sony E mount — offers a telephoto focal range in a small, lightweight footprint. The lens features moisture-resistant construction and BBAR (Broad-Band Anti-Reflection) coating that boasts excellent anti-reflection performance. The lens is also compatible with Tamron’s Lens Utility software.

Compact telephoto zoom

Designed specifically for mirrorless cameras, and with an f/6.3 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, coming in at a mere 5.9 inches long with a maximum diameter of 77mm and weighing just 20.5 oz.

Easier than ever before, photographers can now experience the compression effects and limited depth-of-field unique to a real telephoto lens. This lens is also ideal for users who want to reduce the weight of their luggage or lighten their load on nature walks. In addition to landscapes and sports, users can enjoy telephoto shooting for a broad array of subjects like portraits, birds, and casual snaps.

Superior optical performance and lightweight portability

Based on thorough simulations utilizing the latest design technologies, the optical design of the 70-300mm f/4.5-6.3 successfully balances its compact size and high image quality. The optical construction includes 15 elements in 10 groups, with an LD (Low Dispersion) lens element precisely arranged to suppress axial chromatic and other aberrations that are likely to occur with telephoto zoom lenses.

At 300mm, a commonly used telephoto focal length, the design delivers excellent resolution from edge-to-edge. The new zoom creates extremely crisp and clear images throughout the entire zoom range due to Tamron’s BBAR coating, which is world-renowned for its anti-reflection performance.

The RXD stepping motor unit is exceptionally quiet

The AF drive incorporates a sensor that accurately detects the position of the lens while the RXD (Rapid eXtra-silent stepping Drive) motor unit delivers optimized AF control. This achieves very fast and accurate autofocus operation and allows users to maintain tack-sharp focus on continuously moving subjects often shot with 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.

Dedicated Tamron Lens Utility software

With the “Nikon Z mount system” compatible version, users can employ the dedicated Tamron Lens Utility software that was developed in-house by Tamron. This feature enables users to easily update the lens to the latest firmware themselves, without going through the camera. On the firmware information screen, users can confirm that their lens has the latest version and perform an update if newer firmware is available. Learn more in our complete review.

Moisture-resistant construction for added protection

Seals are located at the lens mount area and other critical locations to deter infiltration of moisture and/or rain and afford moisture-resistant construction. This feature provides an additional layer of protection when shooting outdoors under adverse weather conditions.



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Rafael Jones

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