Tamron vs.

The Tamron 28-75mm f/2.8 Zoom for Sony E (Model A036) has won a prestigious award EISA Award 2018-19 It is highly regarded as a fast and sharp choice for Sony’s full-frame mirrorless cameras. Three years later, Tamron announced the A063 (2nd generation) G2 model with the same zoom range and aperture.

What has been improved? We look at the two zooms side by side with a critical eye.

The full and correct name is Tamron 28-75mm f/2.8 Di III VXD G2 (Model A063) and current street price is $899. Compatible with all Sony E-mount mirrorless cameras, and optimized for use in Sony’s current full-frame Alpha series. It’s a “everyday” zoom that combines a wide 28mm coverage, excellent image length, medium zoom and a fast f/2.8 aperture that doesn’t shrink when zoomed in.

1. Improve IQ
Tamron replaced a very sharp lens with a sharper version, and did so without adding bulk or weight. The overall image quality is better, which is what interests most photographers. This is difficult to frame because the archetype is also very sharp. I own one and use it often, and have never been disappointed. After using the new A063 for several weeks I can confirm that the new G2 provides better optical performance.

2. Adjust focus button and new design
The new 28-75mm f/2.8 G2 lens has a focus adjustment button which is an important addition. Also, the focus and zoom rings have a newly designed high-traction tread, and the circumference of the lens barrel near the bottom has been reduced to provide a more comfortable, sculpted profile.

I think it’s a bit more comfortable, although I didn’t find any bugs in the original I had. In addition, the surface of the lens barrel features a new deep black finish that is more resistant to scratches and fingerprints. Final visual design change: The TLU port is explained in Clause 3 below.

3. Tamron Lens
Tamron has added a USB Type-C port and created an app that allows users to connect the zoom to their computer to update firmware when necessary, and customize lens functionality when the mood strikes. Users can change the operational rotation direction of the focus ring, for example, and can adjust the function of the focus adjustment button.

The focus adjustment button can be configured to swap AB style focus points between two pre-selected distances. Additionally, you can assign custom functions from the camera body to the focus adjustment button, giving you greater and faster control in every situation.

4. Autofocus twice as fast
The benefits of AF speed are self-explanatory. The new Tamron VXD linear actuator focusing mechanism is two times faster than the RXD unit used on the original A036. Additionally, the new Tamron 28-75mm f/2.8 G2 has improved (and very impressive) focus tracking capabilities.

5. Improved zoom performance
The new Tamron 28-75mm f/2.8 G2 zoom (model A063) focuses as close as 7.1 inches (18cm) when set to the 28mm wide position. This is a 1: 2.7 magnification ratio. I probably use zoom lenses for close-ups more often than I use dedicated macro lenses, as I am a photographer based on the results.

The new zoom works flawlessly in the near-focus role, and while the specs show only a slight improvement over the previous version’s specs (from 7.4 to 7.1 inches), when it comes to macro, every millimeter counts.

Specifyvisual design

Key features are also in the Original Lens
Tamron now offers 15 lenses for Sony’s mirrorless cameras, mostly zoom but also three good prime lenses we’ve reviewed here. Almost all of them use 67mm filters (so they can share polarizers, caps, and ND filters) which look like little potatoes until you have to buy three polarizers in three different sizes.

All lenses in this series take advantage of the image-enhancing features built into Sony’s Alpha cameras, including Sony’s Fast Hybrid AF, Eye AF, Direct Manual Focus (DMF) and in-camera lens corrections. Lens corrections include countermeasures against vignetting (also called vignetting), chromatic aberrations, and angular distortion.

Building improvements
Tamron lenses in this series feature a weatherproof construction. In addition, the front element has a protective layer of fluorine and is water and oil resistant. With fluorine protection, the lens is safer from fingerprints and easier to clean when necessary.

The first unparalleled full-frame camera lens that Tamron produced was the original 28-75mm f/2.8 Di III RXD (Model A036). That was 2018. So fittingly enough, the first G2 Second Generation mirrorless full-frame camera lens is the back, the 28-75 Model A063.

The G2 Edition defines the design of the future Tamron mirrorless lens. Based on the improvements we’ve seen here, this is an exciting prospect.

If you already own a Tamron 28-75mm f/2.8 zoom lens, you’ll probably keep it; However, it’s very tempting to upgrade to enjoy twice as fast AF speed and the Tamron Lens Utility port for PC-based customizations. Not to mention the overall picture quality improvement.

If you own a full-frame mirrorless Sony camera, the 28-75mm f/2.8 G2 is a great choice for a standard everyday zoom lens. If you’re buying your first Sony Alpha 7 series camera, it’s a great choice for your first lens. I? I plan on sticking with the old A036 a little longer – but I’m sure I’ll be moving to the better version after the winter has passed.

Price and availability
The Tamron 28-75mm f/2.8 Di III VXD G2 is now available for $899. If you’re shopping for this lens online, make sure you’re looking for the new G2 Model A063 with VXD, not the original A036 with RXD engine. Similarly, make sure that the seller is Certified Tamron Dealer To enjoy Tamron’s 6-year US Limited Warranty.

—John Sinkiewicz

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