Buscador de lentes
Sigma 170-500mm f/5-6.3 APO DG
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Tamaño de la imagen de marco completoLos lentes que crean imágenes de tamaño APS-C se diseñan sólo para cámaras digitales. No se pueden usar en cámaras que tienen un sensor de imagen más grande que el formato APS-C. Estos lentes tampoco son adecuados para cámaras de película. Sin AF UltrasónicoLos lentes con mecanismo de enfoque ultrasónico en general son más silenciosos y rápidos que los lentes de enfoque tradicional. No stepping motor AFLenses with stepping motor focusing mechanism are better for contrast based focusing, and are quiter and faster than traditionally focusing lenses. Se usa uno o más elementos de lente de Baja DispersiónLos elementos de lente de Baja Dispersión tienden a reducir la aberración cromática. Sin estabilizadorLa estabilización de imagen ayuda a reducir el difuminado causado por el movimiento de la mano, especialmente con una longitud focal grande o en situaciones con poca luz. La estabilización de imagen puede dar una ventaja de 1 a 3 paradas sobre lentes sin estabilización, basado en la regla de reciprocidad. Montura metálicaLos lentes más baratos generalmente vienen equipados con montura plástica, mientras que los lentes profesionales más costosos tienen montura metálica. En general, las monturas metálicas duran más, y es algo útil cuando se cambian los lentes con frecuencia. Cuando una cámara se usa generalmente con un lente, el material de la montura de los lentes no es importante. Enfoque InternoLos lentes de enfoque interno no cambian su tamaño al cambiar el enfoque. El frente de la lente es fijoEl frente de lente fijo no rota durante el zoom y/o el enfoque. Esto permite al fotógrafo utilizar capuchas de lente en forma de pétalos. Los lentes de frente fijo también facilitan el uso de filtros de polarización. No tiene soporte para filtro de sustituciónLos filtros de sustitución se usan en aquellos lentes donde el lente frontal es demasiado grande, o el campo de visión no permite el uso de filtros tradicionales al frente de los lentes. Generalmente los lentes de ultra gran angular y telefoto brillante admiten este tipo de filtro. |
Sigma 170-500mm f/5-6.3 APO DG Especificación
| Montura(s) disponible(s) | Canon EF, Nikon F, Pentax K, Sony / Minolta A, Sigma |
| Aplicación(es) | Retrato, Vida silvestre |
| Categoría(s) | Zoom telefoto |
| Multiplicador | 1× |
| Estabilizador | no |
| Longitud focal | 170 - 500 mm (2,9× zoom) |
| Construcción de lentes | 13 elementos en 11 grupos |
| Ángulo de visión |
35mm: 14.5-5° digital: 8.4-2.9° |
| Número de cuchillas | 9 |
| Apertura máxima | anchura: f/5 tele: f/6,3 |
| Apertura mínima | anchura: f/32 tele: N/D |
| Distancia focal mínima | 300 cm |
| Aumento | 0,17× |
| Tamaño del filtro | 86 mm |
| Tamaño | ∅ 92.5 × 232 mm |
| Peso | 1345 g |
| Notas |
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| Velocidad de AF | N/D |
| Sonido de AF | |
| Enfoque interno | sí |
| Zoom interno | N/D |
| Lentes de frente fijo | sí |
| Tipo de montura | metal |
| Sellado para clima | N/D |
| Filtro de sustitución | no |
| AF Ultrasónico | no |
| Stepping motor AF | no |
| Círculo de tamaño APS-C | no |
| Elemento de lente de baja dispersión | sí |
| Estuche rígido | N/D |
| Estuche suave | N/D |
| Capucha para lentes |
LH925-01 capucha de lentes imprimible |
| Adaptador de trípode | N/D |
| Descontinuado | sí |
Sigma 170-500mm f/5-6.3 APO DG Reseñas
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Sigma 170-500mm f/5-6.3 APO DG Reseñas de Propietarios
Las reseñas de propietario más útiles de Amazon
Excellent Tele Zoom for the money
14 de abril de 2006
After reading many mixed reviews on the web, I wasn't too sure about the picture quality when I received it. But it turns out to be an excellent big zoom for the money. I have no other 500mm lenses for comparison. But the pictures I took in dark night outdoor (tripod) and some indoor shots (hand held with flash) on Canon Rebel XT turned out to be really sharp, comparing to shots I took with Canon 50mm/f1.4, Sigma 10-20mm, or Canon 70-200L/f4 under very similar conditions. Color is balanced and contrasty and details are superb! The weight is very reasonable. The collar is excellent. The AF works beautifully indoor in regular household light. Very fast and quiet, unlike anything I've read on the web ("noisy, slow, hunting"). In fact, my other two above mentioned Canon lenses seem to hunt more sometimes under the similar condition. This lens doesn't have zoom lock, so it does creep if not careful. But for about $500 less than the Bigma and tons less than similar Canon's, it's a very small price to pay indeed. The focus ring is kinda loose, but so is the Canon 50/f1.4. My Canon L and Sigma EX don't have this problem. You get what you paid for. The lens hood feels plastic, but reasonable. The collar is very solid and smooth. The carrying bag that comes with the lens is of reasonable quality but looks like it's not for serious outdoor abuse. As a amateur enthusiast, I am totally happy with it. 5 stars for the value/price ratio. I am waiting for my $80 Quantaray 2x Teleconverter to arrive to try it on this Sigma. Maybe this time I am really pushing my luck :) If you are on a budget and looking for a 500mm, This Sigma definitely worthes a closer look. Highly recommended.
Update: Nov 22, 2006:
I've been using this lens for little less than a year now. I still stand by my words above. Only the 2x converter is really pushing it - killed the AF and got a big drop in sharpness. Happy shooting!
Can't afford the Bigma? Buy this!
3 de agosto de 2006
Much has been written praising the Sigma 50-500mm zoom lens, often called the "Bigma." This lens is clearly its equal in everything but zoom range. I was very surprised when I purchased mine, used, and discovered that its sharpness was much better than I expected, and its autofocus speed every bit fast enough for challenging subjects like sports. The price I paid for this under-rated lens was about a third the price of a new Bigma, so I am extremely pleased with the bargain I got.
My only beef with this lens is the "zoom creep" that results when you tilt the camera/lens downwards. The smooth zooming action apparently results in zooming even when you don't want it to.
If you need a 500mm top end, and can live with a 170mm minimum zoom, this lens may be what you need. In my case, the 50mm short end of the Bigma wasn't wide enough, so I am happier with my 170mm-500mm zoom and a companion 18mm-200mm lens that together cover the full range I need.
This lens is available in a variety of mounts, including the Canon mount listed here, as well as fittings for Minolta and Nikon (my own choice.)
A great lens for the price.
9 de julio de 2007
This is an extremely versatile lens capable of handling many different shooting situations. I have been using this lens for a couple years now and my only complaint is that there is no zoom lock so in between shots where the lens is pointed up at a fairly steep angle you will need to make sure that the zoom is still in it's intended position. I'ts not exactly a walk around lens because of it's size and weight. It is a good lens to have for shooting wild life or taking photos of the moon. I compared it to the Tokina 400mm lens. This lens was far superior to the Tokina. and as good as the Canon EF 400mm f/5.6L USM Super Telephoto Lens. The only advantage is that the Canon had zoom lock.
This lens takes amazing photos. I am very happy with the quality of photos that I get, great color, sharpness and contrast. It comes with a tripod coller, a great carrying case and a hood.
I am very happy with this lens.
Great Performer
12 de marzo de 2007
I own two lenses from Sigma, and I love them both. This ultra telephoto lens is possibly the best bang for your buck in the focal its focal range. If there is a better one in its class I've yet to see it. Manual Focus ring is well placed, easy access, we all like that, right? Sharpness has not been an issue for me at all; you will need a tripod in most situation, but you should be using one all the time, shame on you if you don't! jk, The only gripe I have with this lens is that it does not feature a "zoom lock" as this is a fairly heavy lens, creep can be an issue if you are carrying it around and not shoot. I highly recommend this lens. 5 stars no questions asked.
Great for sports
4 de noviembre de 2007
I bought this lens to shoot pictures of my son's football games. It has been fantastic and very clear. Lens creep is an issue but not one that has really bothered me. The price on Amazon was great as I had priced it in NYC and most retailers wanted twice as much if not more.
AWESOME!!
10 de abril de 2007
TOOK TO OPENING DAY PHILLIES 2007,,, THE PICS THAT I TOOK WERE CLEAR AND GREAT.... WILL STICK TO SIGMA LENSES OR NOW ON!