Sigma 886101 18-300mm F3.5-6.3 DC Macro OS HSM Lens for Canon

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Sigma 886101 18-300mm F3.5-6.3 DC Macro OS HSM Lens for Canon

Sigma 886101 18-300mm F3.5-6.3 DC Macro OS HSM Lens for Canon

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There's another dip in performance at 300mm—that's not surprising as long zoom designs often suffer at their extremes. At f/6.3, the zoom scores 1,623 lines on the sharpness test, with a crisp center that gives way to a disappointing middle third (1,350 lines) and blurry edges (823 lines). Stopping down to f/8 does nothing to help the periphery, but it does boost the average score to 1,741 lines and nets better results in the middle third of the frame (1,625 lines). You'll want to stop down to f/11 for the best results—1,879 on average, with midparts that show 1,850 lines and edges that fall just shy of 1,300 lines.

The barrel does extend when the zoom is set beyond 18mm. That's typical for a consumer-grade zoom. What's slightly atypical is the design of the focus ring. It's narrow and sits at the very front of the portion of the barrel that doesn't extend. Most focus rings don't move when the camera is set to autofocus, but this one does. On the plus side, the focus distance scale (listed in feet and meters) is able to be printed directly on the focus ring. But I had to stop myself from resting my fingers on the narrow ring when shooting with the lens—on more than one occasion I found myself holding on to it, preventing the autofocus system from properly doing its job. Die Aufnahmen, die ich für diese Rezension aufgenommen habe, zeige ich unter stefansenf.de/?p=4268 . Sie stehen beispielhaft für das, was das Objektiv können soll. Den Familienalltag bestreiten. Ausflüge. Urlaub. Schwarzbrot, sozusagen. Contro: Poca nitidezza ai bordi alle corte focali e vistose aberrazioni cromatiche in generale. Poco risolvente. Poco luminoso alle lunghe focali. Incertezza nella maf con poca luce alle focali più lungheIl mio rammarico dopo il suo acquisto è che mi ha completamente distolto dal parco obiettivi che ho in dotazione….semplificandomi la vita soprattutto nelle mie uscite. Natürlich liefert ein Objektiv mit dieser Brennweiten-Spanne an den Enden leichte Verzeichnungen, die zum Beispiel bei Architektur-Aufnahmen ins Auge fallen. Da wir zu 99% Landschaft, Natur und Tiere im Fokus haben, können wir damit gut leben. Einen Schärfeverlust an den Rändern konnte ich bei den bisherigen Probeaufnahmen nicht feststellen.

non è os come il vecchio 18-250 che anche su sony aveva la stabilizzazione per la maf... da 16 megapixel in poi scordatevi foto più lente di 1/100 senza la giusta luce.. e per giusta luce intendo quella a mezzogiorno a luglio...dopo solo micromosso Provenivo da un'esperienza deludente con la Nikon 7200 + tamron 16-300 con i quali avevo aperto una parentesi Nikon al mio vissuto in Canon, ma che dopo poco tempo ho chiuso per cattivo riscontro col Tamron (aberrazioni cromatiche assurde e micromosso ricorrente). Ho quindi voluto dare fiducia ai parametri del Sigma che mostrava risultati migliori alle aberrazioni cromatiche ed alla nitidezza. it’s my first Sigma lens, so I found the "wrong" zoom rotation direction to be rather disturbing, you maybe get used to if you use the lens often, but if you continue swapping lens between Pentax and Sigma you will further continue enforcing wear on your mount by accidentally driving in the wrong direction;

the poor mega zoom like corner performance was to be expected; I think it’s acceptable though, I feel my old DA18-250 showed better corner performance; but maybe that one was on the other hand less good in the center, and better in the corner with a more equal distribution of sharpness, so with less falloff to be noticed between center and corner;

Einzig auffällig ist die leichte Schwergängigkeit beim Ändern der Brennweite nach oben (->300), ich gehe aber davon aus, dass die konstruktionsbedingt ist, denn abwärts geht es leicht. The color rendition from this lens is very standard for Sigma, which means that it’s top notch. There is no where as high a contrast level as you’d see with the Art series, but instead it is a bit more muted. Despite the muted colors, it isn’t at all horrible and a bit of a saturation boost in Adobe Lightroom will solve any problems. Color Fringing Like all superzooms the Sigma 18-200mm OS features a complex optical design, in this case 18 elements in 13 groups including one Super-Low Dispersion (SLD) glass element, and no fewer than three aspherical elements to combat aberrations. A minimum focus distance of 0.45m through the entire range adds to the lens's all-round versatility. The optical stabilization system detects when the camera is panning and automatically switches to operating in one axis only, useful for shooting moving subjects such as sports. MPB puts photo and video kit into more hands, more sustainably. Every month, visual storytellers sell more than 20,000 cameras and lenses to MPB. Choose used and get affordable access to kit that doesn’t cost the earth.Hier konnte ich keinen wesentlichen Unterschied zwischen den beiden Objektiven feststellen. Ich würde sagen, an der D500 ein ähnlich, zufriedenstellendes Ergebnis. Aufgrund der Lichtstärke der Objektive darf man hier aber nicht zu viel erwarten. Teilweise pumpen beide, wenn der Kontrast nicht so Dolle ist. Vor allem am langen Ende zeigt sich dies, während am kurzen eigentlich immer recht schnell scharf gestellt ist. De lens aangeschaft ter vervanging van mijn 18-250 omdat ik nóg wat meer bereik toch wel prettig vind. In de praktijk is het verschil tussen 250mm en 300mm niet geweldig groot, maar ik heb toch geen spijt van mijn aankoop omdat de lens zichtbaar scherper is dan de 18-250. Een hele prettige walk around lens en de scherpste in zijn klasse. De lichtsterkte is natuurlijk niet geweldig, maar voor hetgeen ik de lens gebruik, voldoende.

Het diafragma met afgeronde bladen zorgt voor een mooie bokeh (achtergrondonscherpte), bijvoorbeeld bij portretten. De automatische scherpstelling is dankzij de Hyper Sonic Motor accuraat en zeer stil. De beeldstabilisatie is volledig herzien door Sigma waardoor de 18-300mm een nóg betere compensatie tegen trillingen biedt dan vergelijkbare objectieven uit het assortiment. Deze Sigma-lens is ideaal voor: And the lens is worse at 150mm. At f/6.3 it shows just 1,386 lines across the frame, with edges that are very blurry (757 lines). There's modest improvement at f/8—a 1,574 line average with muddy edges that fall a bit shy of the 1,000-line mark. The story is better at f/11, but even then the lens hits just 1,830 lines and edges fall shy of 1,500 lines. Das Drehen des Zoomringes fühlt sich beim Sigma 18-300 etwas schwergängiger an, dennoch (oder vielleicht auch gerade deshalb) lässt sich der Zoom gut dosieren.

Beste Sigma-lenzen op een rij

The pictures below illustrate the focal length range from wide to telephoto (on Nikon DX format, 1.5x). The lengthy title for the Sigma 18-300mm is simply a road map so that you know exactly what the lens brings to the table. ps con due corpi diversi slt non so perchè spessissimo è stato più vantaggioso togliere lo steadyshot che lasciarlo attivo.. fa danni .. forse non dialogano come si deve ma non esistono al momento firmware per modelli con baionetta A-mount.. .. insistendo cmq ad un certo punto sono andati gli stabilizzatori a tutti e due i corpi macchina I found zoom breathing present as forecasted, so the nearer the subject, the smaller your magnification will be; In terms of lens controls, this lens has a switch for MF/AF focusing modes and optical stabilization. These are both guaranteed to be on for most users.



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