![]() Of these, the 24-70 II weighs in at 695g (1.5lb), the MK 1 weighs 886g (1.9lb), the Sigma 835g (1.84lb), and somehow the Samyang breaks the scales at a full 1000g (2 lb). While the tele is certainly convenient the IQ of the prime is mind-blowing! According the chart: Outstanding vs. There are currently four 24-70mm F2.8 zoom options on Sony, including this lens, the MK 1 GM lens, a Sigma 24-70mm ART ( my review here ), and the Samyang AF 24-70mm. I took a look into the website at the Sigma 24-70 and Sony 24 GM. The summary conclusions of this lens by Jared Polin and Dustin Abbott are that it is an excellent lens. At the same time, the Tamron uses the 67mm filter. After further review its pretty hard to argue against buying another prime.ĪZ.I agree about the Sigma. While the Sigma lens is physically shorter and lighter than the Sony 24-70 f/2.8 GM (5.35 long, 1.95lbs), it is still substantially larger than the Tamron 28-75 the Sigma weighs 1.84 pounds compared the the Tamron’s 1.21, about 65 as much as the Sigma. Excellent source of information - thank you for sharing it. that said, the versatility of the sigma is awesome. I have both the sigma 24-70 and the 24GM and IQ wise the 24GM is hard to beat. Sigma has really stepped up the game with their new glass. And this chart is pretty accurate and up to date as of late last summer. ![]() The Sigma is sharper and more than half the price of the Sony GM. The Sony 24-70 f2.8 GM is in need of an update. You’re talking about a prime at its optimal sharpness level (stopped down 2 stops) vs a zoom wide open. The Sigma 24-70mm f/2.8 DG DN Art Lens is not optically stabilized, but Sony generally takes care of that omission with Steady Shot or IBIS (In-Body Image Stabilization). I always like to refer to this site when comparing the different lenses from a. what rating would you give the two tele zooms? If the IQ of the Sony 24 / 1.4 is arbitrarily established at a '10' when shot at f/2.8 (keeping things equal). zoom.so my focus is what can anyone tell me about the IQ 24mm between the two zooms compared to the 24mm Prime? I'm less interested in the debate between prime vs. It's also really smooth to attach, whereas some can be quite fiddly.Just throwing this out there.obviously two different types of lenses: a fixed prime vs tele zoom. The lens hood feels really secure when attached to the filter thread and, unlike other lenses, I've never accidentally knocked it off. On the barrel of the lens, the most popular zoom ranges are clearly marked so you can quickly change between 28mm, 35mm, 50mm and 70mm. The 24-70mm F2.8 DG OS HSM Art builds on Sigma’s previous 24-70mm model by adding stabilization and a revamped optical design that promises better image quality. There is a button on the side of the lens that you can use to flick between manual focus and auto. The autofocus on the 28-70mm is accurate and responsive. The zoom ring goes from 28mm - 70mm in about a quarter of a turn, so you can really quickly pull focus from a subject far away to a subject close up.Īnother benefit to the weight of this lens is that you can shoot for long periods of time without your wrist or arm aching, which is ideal if you predominantly want it for video. ![]() Both the zoom and focus mechanisms are smooth with just enough resistance so that you don't accidentally adjust them. ![]() (Image credit: Hannah Rooke) Sigma 28-70mm f/2.8 DG DN: Build and handlingĭespite the lens casing being made of plastic, it doesn't feel cheap in the slightest. If you're planning on taking it on long hikes or away traveling, it's worth seriously considering the Sigma 28-70mm instead as it'll save you aches as well as pennies. The Sony G Master equivalent weighs twice as much, and you can really notice the weight after a while. Weighing just 470g, you can easily carry it around your neck or across your body while attached to your camera for hours without much discomfort. Its incredibly compact design is another thing that makes it so appealing. It's made up of 16 elements in 12 groups, has a 9-bladed aperture ring and a filter thread size of 67mm. Unlike some of the more expensive brands it doesn't have any lens stabilization, but if you're shooting on something like the Sony A7R IV the in-body stabilization makes up for it.įor such a small lens, its optical construction is quite impressive. It's still capable of producing really high-quality images with sharp in-focus areas and soft, blurred, out-of-focus areas. The biggest reason for investing in the Sigma 28-70mm f/2.8 is that it's a much smaller, lighter and cheaper alternative to native-branded lenses. ![]()
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