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Ever since the introduction of the new Sony FE 24-70mm f/2.8 GM lens, we have been getting a lot of questions about how it compares to its smaller counterpart the Sony FE 24-70mm f/4 ZA OSS. Today we take a closer look at the two lenses.
Size & Weight
As you can see in the picture above, the new 24-70mm f/2.8 is pretty massive compared to the 24-70mm f/4. The 24-70mm f/2.8 has an 82mm filter thread, is about 5.35" long, and weighs in at 1.95lbs. The 24-70mm f/4 has a 67mm filter thread , is about 3.72" long, and weighs in at just under 1lbs. The size disparity should be no surprise since there is a one stop difference in the maximum aperture of the two lenses.
Handling & Design
The 24-70mm f/4 is extremely well balanced on the current full-frame Sony cameras like the A7R II and A7S II. The 24-70mm f/2.8 does take a little getting used to handling on the same cameras since it is much larger by comparison, but doesn't feel too unbalanced. The zoom and focus grips on the 24-70mm f/2.8 are rubberized like many Nikon & Canon lenses, making it a little easier to handle compared to the metal zoom of the 24-70mm f/4. Both lenses utilize an electronic focus-by-wire system like many of the Sony FE lenses. Auto focus is very fast and snappy on both lenses, with the 24-70mm f/2.8 slightly edging out the f/4
One of the key, and a little surprising differences is the 24-70mm f/4 includes Sony's Optical Steady Shot while the 24-70mm f/2.8 does not. This is not as important on newer cameras like the A7R II & A7S II since they do have in-body stabilization. It is worth noting though for cameras like the original A7S, new A6300, & video cameras like the PXW-FS5 & PXW-FS7.
This is what most people are interested in, the resolution. We use Imatest to test all of our lenses when they come back from customers to make sure they are performing within the specification of our other copies. We have a chart that we shoot and run through the Imatest software. The software measures the resolution of the lens at various points through the frame. In the most simplistic terms, the higher the resolution - the "sharper" that an image appears. Here's what the two lenses look like compared on a Sony A7R II.
FE 24-70mm f/2.8 GM @ 24mm:
Edge Average: 1616
FE 24-70mm f/4 ZA OSS @ 24mm:
Edge Average: 582
FE 24-70mm f/2.8 GM @ 70mm:
Edge Average: 656
FE 24-70mm f/4 ZA OSS @ 70mm
Edge Average: 1046
Let us start by saying the center resolution of the 24-70mm f/2.8 GM is among the best we've seen for a Sony FE lens. It performs very strong in the center and there's only drop off in performance towards the very edge of the frame. As you can see, the 24-70mm f/4 at 24mm is not too far behind in the center. As we move to the edges however, you can see that the 24-70mm f/2.8 is the clear winner. When we move to 70mm however, things change up a bit. The 24-70mm f/2.8GM is still very strong in the center, but the edge performance does drop off a little. The interesting thing about the 24-70mm f/4 is while the center performance drops off compared to 24mm, the edge performance improves quite a bit.
It's sometimes hard to compare lenses with different aperture ranges, but many will draw comparisons between these two lenses since they cover the same range. In the end, both lenses definitely have their strong points. If you're looking for the best sharpness or are going to be shooting in low light conditions where that extra stop of light will make a difference, the FE 24-70mm f/2.8 GM is the clear winner. Sony definitely has a lens that competes very well with the comparable Canon and Nikon 24-70mm lenses. However, the 24-70mm f/4 ZA OSS is certainly no slouch. It might be a better choice for those looking for a more compact set-up or with a camera that lacks in-body stabilization. Either way, these are both very solid lenses in the Sony FE range.
The Canon EF 24-70mm f/2.8L USM and its newer counterpart the Canon EF 24-70mm f/2.8L USM II are among two of the most popular lenses we rent. We are often asked what exactly the difference is between these two lenses. Today, we do a quick comparison of the two and find out some of the differences.
Size & Weight
As you can see from the initial picture, the Version II is a little bit smaller compared to the original lens. It is also slightly lighter, but only by a few ounces. From the front however, the Version II is larger due to the 82mm filter ring compared to the Verson I's 77mm filter ring.
Handling & Design
The EF 24-70mm f/2.8L is different from most modern zoom lenses because the barrel is "reversed" - meaning it is fully extended at 24mm and retracted at 70mm. What's nice about this design is the hood always stays in the same place during use, but as a result the lens hood is much bigger. The Version II behaves like a traditional zoom lens and has a much smaller hood as a result.
This is what most people are interested in, the resolution. We use Imatest to test all of our lenses when they come back from customers to make sure they are performing within the specification of our other copies. We have a chart that we shoot and run through the Imatest software. The software measures the resolution of the lens at various points through the frame. In the most simplistic terms, the higher the resolution - the "sharper" that an image appears. Here's what the two lenses look like compared on an EOS 5D Mark III.
As you can see looking at the comparison above, both lenses are very strong performers. The biggest difference is the Version II is sharper in the center of the frame and more consistent across the frame into the edges compared to the Version I. For most lenses, the corners and edges of the frame are usually where it performs the weakest. Canon has clearly improved the edge performance in the Version II compared to the Version I. You will get much better edge to edge performance on a full-frame camera with the newer lens.
Both lenses are great contenders, but which one is best suited for your camera? If you have an APS-C Sensor camera like the Rebel T5i, EOS 7D Mark II, or EOS 70D - these lenses only "see" the center portion of the frame so the improved edge performance is not as noticeable and the Version I still performs very well in the center on these cameras. With Full-Frame cameras like the EOS 5D Mark III, EOS 6D, and EOS 5DsR - there is a clear improvement with the Version II if it fits in your budget. We still rent both so you can try them for yourself!
Rent the best lens for the most popular photography situtations
Renting photography and video equipment has greatly increased in popularity. Recently, lens rentals and camera rentals have become easily accessible to the professional as well as the amateur photographer. We offer rentals of some of the most popular brands, such as Canon, Nikon, Sony, Fuji, Panasonic, Profoto, Elinchrom and many more.
Below are some suggestions for lens rentals based on the most common applications.
Most people going on vacation prefer renting one “do it all” lens. Both Canon and Nikon offer an 18-200mm and 70-300mm that are versatile and lightweight. If you are planning on shooting wildlife in Alaska or on Safari in Africa, you might want to rent a Canon 100-400mm or a Nikon 80-400mm. Another option is to rent a teleconverter, in case you need a little more reach.
Whether you are a parent taking pictures of your children playing sports or a professional photographer, you want to rent a fast focusing telephoto. For outdoor sports, you have the option of a variety of lenses since lighting should not be a factor. Renting a lens with a large aperture, like a 2.8, will isolate your subject and create background blur. Indoor sports are more of a challenge. You will want to rent a lens with a large aperture to allow more light into the sensor and not have to rely on raising the ISO and introducing noise into the picture. Great indoor telephotos include 135mm 2.0 and the 70-200mm 2.8.
For landscape shots, renting any nice wide angle lens will do. The more popular ones in the Canon mount are the 10-22mm, 16-35mm, 17-40mm and the Tokina 11-16mm. Nikon offers the 12-24mm, 14-24mm and the 16-35mm. If you are going to handhold and use a lower shutter speed, rent a lens that has image stabilization like the Canon 17-55IS or the Nikon 16-35mm with VR.
Both the 50mm and the 85mm seem to be the most popular rental lenses for shooting portraits. Lenses with a large aperture like a 1.4 or a 1.2 let you shoot with available light while creating a pleasing background blur. When shooting outdoors you can also rent longer telephotos like the 70-200mm since they have little distortion and tend to compress the background.
Macro photography focuses on capturing the little things that surround us, from bugs to flowers and even wedding rings. In order to get all those small details you will want to rent a lens specifically made to “see” or focus at very close range. If you are going to handhold the lens, you might want to try the Canon 100mm IS or the Nikon 105mm VR. For more detailed work, you will want to rent a tripod and a macro focusing rail.
Weddings are one of the most photographed events. Most wedding photographers will rent large aperture zooms like a 24-70mm 2.8 and a 70-200mm 2.8. Fisheyes are good for “fun” unique shots and a macro lens for the small details.
Stage performances, such as dance recitals, jazz or rock concerts, employ a specific need. You will want to rent a lens that will let in a lot of light since you probably will not be able to use a flash. Fast primes, like the 85mm and the 135mm 2.0 are a good choice as well as more versatile mid range telephotos like the 70-200 mm 2.8.