However, this is one of Sigma’s “Contemporary” lenses, not a Sigma “Sports” or “Art” lens. Sigma’s Art series of lenses are already praised for their image quality and sharpness, but you can hone that sharpness even more by adjusting the focus of your lens using Sigma’s USB Dock. It becomes Sigma’s second 35mm to get me really excited about shooting this focal length, following the f1.2 ART. The dock works really well, but it’s an additional expense (around $60 if you buy it separately). It focuses continuously down to life-size (1:1 reproduction ratio) at the minimum focusing distance of 11.6 inches and offers considerable versatility beyond macro applications. When it comes to auto-focusing, the Sigma 105mm F2.8 DG DN MACRO Art zoom proved to be a fairly quick performer on the Sony A7 III that we tested it with, taking about 0.25 seconds to lock onto the subject. Focusing is a tad bit slower than some of my other lenses but not really an issue. "Using the SIGMA 70mm Macro | Art lens for this type of shot was a joy, the focus ring rotates smoothly and allows for very fine adjustments when using the live view with focus peaking . It is quiet, does not extend (rear-focusing), fast and has proven accurate to me even in AI Servo mode shooting sports. 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). Buy, Sell, and Trade your Firearms and Gear. Hello. I am not exactly sure why AF accuracy is this bad at close distances, but I suspect it might have to do with the overall lens design, which is obviously not without such compromises. The Sigma USB dock comes in a variety of models to suit the different types of lens mounting: Sigma USB Dock for Canon Sigma Zoom 24-135mmD 1: 2.8-4.5 for other cameras was also produced under the name Sigma Zoom 24-135mm 1: 2.8-4.5 (without the letter 'D'). If you try and auto focus you can hear the camera "grind" but the lens does not adjust at all. Is there a reason why my Sigma 105mm won't focus on my D610 but will focus on every other camera? The lens features HSM, which is Sigma's version of ultra-sonic drive. The D610 works per The D610 works per Sigma 105mm Macro not focusing on D610 We don’t see this being … You have to keep in your mind that not all the features that come with the software are applicable to all lenses, the table below shows some examples. 1 1 comment Report abuse. The Zeiss 50 mm far outperforms the Sigma in this regard. 50mm focal length; 75mm equivalent focal length on APS-C cameras, 80mm equivalent focal length on Canon APS-C cameras ; F1.4 maximum aperture; F16 minimum; Ring-type ultrasonic-type AF motor with full-time manual focusing… 14 people found this helpful. These all are not small lenses. All G-type lenses are also D-type. In order to be called a macro lens, a lens needs to have a maximum magnification ratio of 1:1 or 1x. If you are on the fence, just buy it, you won't be disappointed. Close-focusing performance isn't as close as the 24mm lens, with the 35mm focusing down to 1.6 in (27mm), creating a maximum magnification ratio of 1:5.7. The only downside I've noticed is that the Sigma 50-500mm f/4-6.3 EX DG HSM Lens does a lot of focus hunting when shooting sports - a focus distance limiter (not provided) would be a big help. I broke my gear. I don't have the patience to make a lens work with my camera, if it's not focusing accurately straight out of the box, it's going back. I just received this lens today used (of course) and tried it out in the back yard with my K-70. With that, the focusing speed seen on the Art is good but isn’t industry-leading by any means. We didn't experience too much "hunting" in good light, with the lens quickly and accurately focusing almost all of the time. There are now two versions of this lens. * * If those functions are activated, the performance of lenses may not be accurate. Sigma 70-300mm APO Lens not focusing or taking pictures in Canon EOS Digital Cameras This Sigma 18-250mm HSM lens has better structural and optical design that helps you to achieve 13.8 inches of minimum focusing distance. Helpful. Not everyone is cool rolling up in a Camry, but if you are, then Sigma likely offers a lens that will suit your needs. The lens features HSM, which is Sigma's version of ultra-sonic drive. The Sigma 35mm f2 DG DN is a mild wide prime lens for full-frame mirrorless cameras and available in Sony-e and Leica L-mounts. The dock allows you to update the lens’ firmware and make adjustments to the lens, like fine-tuning the focus. *Certain lens models are not compatible with 82mm filters. Sigma recently introduced the 105mm f/2.8 DG DN macro lens for L mount and Sony FE mount mirrorless cameras. Because of an internal focusing (IF) design, the physical length of the lens remains constant at all focus settings and the front lens does not rotate during focusing. Here’s a sample image: Because of an internal focusing (IF) design, the physical length of the lens remains constant at all focus settings and the front lens does not rotate during focusing. I can't wait to do a shoot with this lens. It clearly showed what was in focus. When using a SIGMA interchangeable lens for EOS, setting the corrections to [Disable] is recommended, as “Lens Correction” functions of the camera, such as Peripheral illumination correction, Chromatic aberration correction, Diffraction correction and Distortion correction are not supported. 43mm Lens Not Focusing. The Sigma 45mm f/2.8 lens also features a dedicated aperture ring calibrated in 1/3 stops, a built-in stepping motor that provides fast, precise AF performance, especially important when shooting video, and a fairly narrow but grippy manual focusing ring that operates with the silky smoothness and well-damped action typical of the highest-quality manual focus lenses. It has contractility in varying temperatures. The minimum focusing distance of the Sigma 35mm f1.4 is 30cm/11.8inches which is quite close to a macro lens. Sigma 50mm F1.4 Art DG HSM Lens for Canon . It locks onto the end of your lens where you snap it to the camera and connects to your computer via a USB cable. 0. SIGMA … All IF: The lens utilises an internal focus mechanism, which does not extend or rotate the front optical element. The first thing I noticed is that the AF seems to have a clicking noise (note that I have the OS off) and seems to cog through the distance settings in distinct steps. [0] Ring Standardized gear positions 3 4 5. The size of this lens is compact. We took a thorough look at the Sigma 105mm f/2.8 DG DN macro lens in a Sony mount for this … I have a 43mm lens that I bought new about 5 years ago. Focusing dock. Sigma APO 150-500mm DG OS HSM focusing issue? So, using a polarizer is no problem. When it comes to TSC, it is a new material that mains the structure of this lens. I baby my lenses and it has been used very sparingly. This group is for everything and anything relating to the Sigma 10-20mm Super wide-angle zoom lens. The magnification ratio is the relationship between the size of an object on film to the size of the object in real life. It’s not quite a macro lens, but the Sigma 50mm f/1.4 has a respectable minimum focusing distance of 40cm, and that makes for some great close distance shots. Sigma lens not auto focusing with nikon d7000. Compared to lenses in the same class, SIGMA’s cine lenses are more lightweight and compact. 95mm front diameter 2. I'm not noticing any focusing issues some reviews have stated although I still plan on purchasing the Sigma lens dock just in case. You may also check your lens compatibility with Sigma USB dock here. Sigma offers a USB dock for some of their lenses. plus 47g for the lens hood. The SIGMA 24–70mm F2.8 DG DN ensures compatibility with various types of the latest full-frame mirrorless camera bodies tailored for L-Mount and Sony E-Mount so as to be capable of exerting the best performance under any photographic circumstances, assuming that professional or advanced amateur photographers use it. Like many of the other Sigma lenses in this list, the body of the Sigma 50mm f/1.4 is made of a Thermally Stable Composite (TSC) material which allows it to operate in wider temperature variations than straight metal or plastic. For some photographers, this is the sharpest 50mm auto-focusing lens, and easily one of the best Sigma lenses ever. The maximum magnification ratio is 1:5.2. Nikon G, Sigma/Tamron/Tokina: no designation: The lens is not fitted with an aperture ring, and is thus incompatible with most old Nikon film SLR bodies. On a traditional DSLR with an optical viewfinder, IBIS results in an unstabilized view, meaning that stabilization was not helpful for composition or for providing a still subject to the camera's AF system. Hope this is the right place to ask this. Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! The front diameter is 95mm, similar to that of other cine lenses and compatible with matte boxes. Keep in mind, the Art at its core is just the standard 50 mm prime lens previously released by Sigma but with updated optics to improve image performance, not necessarily its focusing performance. So, using a polarizer is no problem. To illuminate this shot I used four LED lights from the Spekular core kit and some Rosco gels. 0. So, it might not be as incredible as the current name-brand competition such as Sony’s own 100-400mm f/4.5-5.6 GM, or Canon’s new 100-500mm f/4.5-7.1. Often the prefixes 'AF' (this is an autofocus lens), 'Aspherical' (there are aspherical elements in the optical scheme) and 'IF' (an internal focusing lens) are added to the name of this lens. The newest has a 3.5 Aperture throughout the zoom range: SIGMA 10-20mm F3.5 EX DC HSM Lens Specs: Focal length: 10-20mm Maximum aperture:f/3.5 Minimum aperture:f/22 Lens construction:13 elements / 10 groups Angle of view:102.4° - 63.8° … [0] Weight: 708g (25 oz.) The Sigma HSM is 78 x 126mm w/o lens hood – and you need to add 26mm in length for the mount-converter. About a month ago it stopped focusing. The Sony is only 602g w/o lens hood, the Sigma HSM is 725g w/o lens hood plus an estimated 100g for the mount-converter. 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