The use of an apochromatic design and four elements composed of SLD (Special Low Dispersion) So far, they dont know when exactly the new Sigma X mount lenses will be. This magnificent new superzoom encompasses all popular focal lengths from the 50mm 'normal' to 500mm ultra-telephoto a 10:1 zoom ratio, providing tremendous versatility. Sigma is proud to introduce a new addition to our EX series of lenses, the 50-500mm f/4-6.3 APO EX Hyperzoom.Construction Elements/groups 20 elements in 16 groupssigma 50 500 for canon. A new SIRUI 50mm T2.9 Anamorphic lens is coming soon to Indiegogo (in the US Sirui lenses are. We take a look at its performance.Sigma’s APO 50-500mm F4.5-6.3 DG OS HSM is an advanced optical design of this 10x power high-performance zoom lens that covers the standard-to-super-telephoto range, now with the added advantage of Sigma’s own Optical Stabilization which offers the use of shutter speeds approximately 4 stops slower than would otherwise be possible.Canon to announce a new RF 5.2mm f/2.8 L mirrorless lens. This lens from Sigma however, is EX branded and aimed much higher up.Only 9 left in stock - order soon.This lens has a solid feel to it, although the weight has a lot to do with that and gives rise to its nickname of the ‘Bigma’. Top reviews Most recent Top reviews. Mounts available Sigma, Canon, Nikon,(with HSM) Minolta, Pentax (without HSM)Canon Close-Up Lens 500D is a double-element accessory that attaches to front of lens. Antiques Art Baby Books, Comics & Magazines Business, Office & Industrial Cameras & Photography Cars, Motorcycles & Vehicles Clothes, Shoes & Accessories Coins Collectables Computers/Tablets & Networking Crafts Dolls & Bears Films & TV.
Sigma 50 500 Canon Series Of LensesSigma 50 500 Canon Manual Focus RingForward again of this is the Manual Focus ring that, as is usual with the EX range, is nicely torqued with no sloppiness. The mounting plate is a sturdy, 100mm affair, which doubles up as a carry handle. Then follows a distance window marked in metres and feet before you get to the tripod mount ring, which is only removable in one position when there is no camera fitted. It arose, unsurprisingly, from its predecessor, a similar lens that has now been superseded by this DG version.We tested one on a Nikon D70, and in Nikon mount the first thing in front of the mount is an aperture ring. Sigma 50 500 Canon Full 500Mm HasAutofocus, with the HSM motor, is quiet and surprisingly quick given the scope of the lens. The good news is that the front element does not rotate as the fully internal focussing mechanism is operated. At this point the barrel extends during zooming and at the full 500mm has extended 85mm in length. It prevents zooming below the 100mm mark to avoid damaging the attached converter.Next up is the zoom ring, again well torqued and requiring very nearly half a turn to achieve the full range. Distortion is amazingly well controlled, showing figures of –0.231% (pincushion) at the short end and +0.919% (barrel) at the long end of the zoom. However, this one did not fall as far as some! Not unusually it is better at the short end but the picture quality only degrades slightly as the focal length gets longer. Although the lens is a large one, with the zoom lock employed it is not so large that it cannot be carried on a strap while you are out and about with it.This is the area where most high magnification zooms fall down. To find out how to use these graphs look at this article: How we test lensesThe ability of this lens to frame subjects with all their surroundings as well as an ability to pick out distant objects without moving your feet or changing lenses does have its attractions. Camera/lens mounted on a beanbag.A lion shot through a wire mesh on a Nikon D70 with an exposure of 1/40sec at f/7.1 and the lens at 320mm.Click on each comparision photo below to view full size versionsBelow is our lens test data. 1/160sec at f/6.3 (wide open) and 500mm. Nikon D70The detail picked up with this 100% crop from the full frame shot is quite good. 1/500sec at f/9 and 270mm. Although not producing the exceptional levels of say, the 120-300 EX, it certainly beats the average zoom lenses.Showing the versatility of the lens, this was taken at 1/125sec at f/6.3 and 50mmDeliberate framing to include the reflection and space above and below was not difficult with this lens. ![]()
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