Best Lens for Sony a7 V: Three Upgrades From the Kit Zoom

For most new Sony a7 V owners, the best first lens is the Tamron 28-75mm F2.8 Di III VXD G2, a constant f/2.8 zoom that launched at $899 and gives you a clear step up in low light and background blur over a slower kit zoom. If you want more reach, the Sony FE 24-105mm F4 G OSS is the range pick, and if you want 24mm plus pro-style controls, the Sigma 24-70mm F2.8 DG DN II Art is the step up.

Why the a7 V deserves a better standard zoom

Digital Camera World describes the Sony A7 V as a hybrid body for generalist photographers, and calls it the biggest generational shift in the A7 range since the A7 III. The same review says it is faster, more intelligent and more refined than the A7 IV.

A camera built for portraits, events, travel and video at once pairs naturally with one good standard zoom. That is why all three picks here cover the everyday range from wide to short telephoto. The question is which trade you want: more light, more reach, or more control.

Before you order any lens, check the lens maker's compatibility list for the a7 V and update the lens firmware if an update is offered. Newer bodies sometimes need lens firmware updates to get every autofocus feature working smoothly.

The three picks at a glance

Lens	Focal range	Maximum aperture	In-lens stabilization	Notable extras
Tamron 28-75mm F2.8 Di III VXD G2	28-75mm	Constant f/2.8	No	USB-C port, customizable function button
Sony FE 24-105mm F4 G OSS	24-105mm	Constant f/4	Yes, OSS	77mm filter thread
Sigma 24-70mm F2.8 DG DN II Art	24-70mm	f/2.8	Not stated in the cited sources	De-clickable aperture ring, aperture lock, two AFL buttons, zoom lock

A constant aperture matters more than it sounds. The-Digital-Picture notes that with a constant-aperture zoom, a wide open exposure you set manually stays the same across the whole zoom range. That makes manual exposure and video much easier to manage.

Tamron 28-75mm F2.8 Di III VXD G2: the value f/2.8 zoom

The Tamron launched in October 2021 at $899 for Sony E-mount full-frame cameras. PetaPixel reported it on sale for $799 in 2024. Tamron designed it for Sony E-mount and Nikon Z full-frame cameras, and it also works on APS-C bodies.

Size and weight compared with a G Master

Imaging Resource measured the Tamron at 539 grams and 116.8mm long at its most compact. It compared that with the Sony FE 24-70mm F2.8 GM, which it listed at $2,000 and 886g.

Spec	Tamron 28-75mm G2	Sony FE 24-70mm F2.8 GM
Weight	539 g	886 g
Length (minimum)	116.8mm	136mm
Filter thread	67mm	82mm
Maximum magnification	0.37x	0.24x
Price cited by Imaging Resource	$899	$2,000

The smaller 67mm filter thread also means cheaper filters. Imaging Resource found the lens balances nicely on the Sony A7R IV and A7 IV it used.

Image quality

Imaging Resource found the lens performs very well across its range even wide open at f/2.8, with very good sharpness that improves on the first version. The-Digital-Picture called its image quality excellent given its price and focal range.

The weak spot is the wide end. Imaging Resource found the lens a bit less impressive at 28mm and suggests stopping down to about f/8 if you need edge-to-edge sharpness there. It also saw minor LoCA wide open and some distortion that lens profiles handle well.

Photography Blog saw noticeable vignetting wide open, which fully clears at f/5.6 or smaller. It also noted the lens is a little prone to flare when shooting directly into the sun.

Autofocus, handling and close-ups

The G2 uses Tamron's VXD linear motor, which Tamron says focuses about twice as fast as the first version's motor. Photography Blog found focusing very quiet and very fast on a Sony A7 IV, just as snappy as the FE 24-70mm F2.8 GM. Quiet focusing helps when you record video with the camera's microphone.

A USB-C port lets you connect the lens to Tamron's free Lens Utility software. With it you can reverse the focus ring, set its travel, assign the function button to tasks like A-B focus, and install firmware updates.

The lens focuses down to 0.18 meters at the wide end for a 1:2.7 maximum magnification. The-Digital-Picture adds that edge quality is poor at minimum focus distance. Keep your subject centered when you shoot close-ups.

Imaging Resource describes the build as weather resistant. Photography Blog would hesitate to use it in heavy rain for a long time.

The trade-offs

You give up 4mm at the wide end compared with a 24-70mm. The lens also has no optical stabilization. Digital Camera World's a7 V review compares the camera's rated image stabilization with the Canon EOS R6 Mark III, so you have stabilization in the a7 V body itself.

Sony FE 24-105mm F4 G OSS: the range pick

The-Digital-Picture calls this an outstanding general-purpose lens and an excellent choice when you can carry only one lens. It describes it as compact, lightweight and professional grade.

Why f/4 can be the right choice

An f/4 lens is one stop slower than an f/2.8 zoom, so it needs less glass, which brings lighter weight, smaller size and lower cost. The-Digital-Picture adds that the lens's OSS makes it well suited to handheld low light shots of subjects that are not moving. For fast action in dim light, an f/2.8 lens can be the better tool.

For the aperture side of this decision, the guide to aperture trade-offs in zoom lenses walks through when one stop matters.

Stabilization and focus in testing

Sony does not publish a stops-of-stabilization rating for this lens. In The-Digital-Picture's handheld testing on a Sony a7R III, most 24mm frames were sharp at 1/3 second, and the keeper rate at 105mm was decent at 1/6 second.

The same review found focus speed adequate for most uses, but noted that the a7R III in AF-S mode defocused the lens slightly before focusing. That behavior depends partly on the camera, so a newer body like the a7 V may handle it differently.

Filters and price

The lens takes common 77mm filters. The-Digital-Picture warns that standard-thickness protective filters slightly increase vignetting at 24mm, and recommends slim filters.

At review time it was the most expensive 24-105mm f/4 lens available, though The-Digital-Picture judged its value strong. It was also the lightest lens in the 24-105/120mm f/4 class. The reviewer's first-choice alternative was the Sony FE 24-70mm f/2.8 GM, which drops OSS and some reach but adds a stop of aperture.

Sigma 24-70mm F2.8 DG DN II Art: the step up

Sigma announced the 24-70mm F2.8 DG DN II Art for L-Mount and Sony E-mount and calls it a flagship lens. According to Sigma, it improves resolving power across the whole zoom range compared with the first version.

Controls built for photo and video

The II adds an aperture ring and a redesigned HLA autofocus motor for high-speed focusing. The aperture ring is de-clickable, and the lens gets an aperture lock switch and two customizable AFL buttons. A de-clicked ring lets you change aperture smoothly during a video take without audible clicks.

It has a dust and splash resistant structure, a water and oil repellent front coating, and a zoom lock switch. Newsshooter is clear that it is splash resistant, not waterproof.

How it compares with the Tamron

The-Digital-Picture compared the Tamron with the first-generation Sigma 24-70mm f/2.8 DG DN Art. In that comparison the Sigma was considerably heavier and larger, used 82mm filters against the Tamron's 67mm, had 11 aperture blades against 9, and cost moderately more. The II is a redesign, so check its current spec sheet for weight and size before you assume the same gap.

The same review says most photographers will get more from the extra 4mm at the wide end than from the Tamron's extra 5mm at the long end. That wide end is the main reason to step up from the Tamron to the Sigma. For a deeper head-to-head with Sony's own lens, see Sony 24-70mm GM II vs Sigma 24-70 Art.

G Master or third-party: what you actually give up

Imaging Resource's verdict is that if you want a fast zoom for a full-frame E-mount camera but don't want to spend nearly $2,000 on the Sony 24-70mm F2.8 GM, the Tamron is a great alternative. The-Digital-Picture called the Tamron's value exceptional.

For the 24-105mm range at f/4, the native option is Sony's own lens. At review time, The-Digital-Picture found no other maker offered a native E-mount lens with a similar range and aperture.

The broader pros and cons are covered in Are Third-Party Lenses Worth It for Sony Shooters? and Sigma vs Tamron: Best Third-Party Lenses.

Which one should you buy?

Choose the Tamron if

You want f/2.8 for indoor events, evening shots and soft backgrounds without paying G Master prices. It is also the easiest of the three to carry all day. Sell or keep the kit zoom as a lighter travel option, since the ranges overlap heavily.

Choose the Sony 24-105mm if

You travel, hike or shoot events where you can't swap lenses, and reach matters more than background blur. The extra length at 105mm helps with candid portraits and details, and OSS helps with slow shutter speeds on still subjects.

Choose the Sigma if

You shoot a lot of video or tight interiors, want 24mm, and like having aperture and focus functions on the lens barrel. Budget for heavier filters and a bit more weight in your bag.

After you mount the lens

Whichever lens you pick, set up the camera to match it. Turn on lens corrections for distortion and vignetting if you shoot JPEG, and assign the lens buttons to something you use often, like eye AF or focus hold. The guide to Sony a7 V settings to change first walks through the menus.

Then shoot the same scene at the wide end, the middle and the long end, wide open and at f/8. You will learn where your lens is strongest faster than any review can tell you.