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Posted 20 hours ago

Sigma 33B965 30 mm F1.4 DC DC Sony E-Mount-Black

£142.935£285.87Clearance
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Micro Four Thirds shooters have more bodies with in-camera stabilization available—Olympus has included the feature for years, and Panasonic has jumped on board as well, adding in-body image stabilization (IBIS) to more recent models. Competing lenses for Micro Four Thirds include the Panasonic 25mm f/1.4, Olympus 25mm f/1.8, Panasonic 25mm f/1.7, and Olympus 25mm f/1.2. We’ve been using the 30mm F1.4 with a Nikon Z30. It’s reasonably well-balanced with this camera, not being as large as the Sigma 16mm. It would also work very well with the Nikon Zfc or the Z50 too. the same as Sony's SSM, or in-the-lens focusing motor. As a result of this omission, the Sony version is about 3.5oz (100g) Con todo esto no puedo recomendarselo a nadie con los ojos cerrados, problema es que para este sistema no hay demasidas opciones, tienes el 30 f3.5 que es macro y la apertura lenta, tienes el propio sigma 30 f2.8 que también es lento (sobre todo si tenemos en cuenta la falta de IS) tenemos el 35 f1.8 que es caro y una lotería (una de las que toca, a mi me toco dos veces seguidas y se me quitaron las ganas de volver a jugar... Terrible), y luego está el que tengo actualmente Samayang 35mm f1.2, pero es manual grande y pesado, con lo cual no es para todo el mundo, probablemente este sigma es la opción más equilibrada para fotografía (no hago video pero el ruido de enfoque no creo que sea nada recomendable para ello) pero, lo mejor es probarlo, alguno pensará que me ha tocado una "mala copia", quien sabe, aunque según los señores de sigma sus objetivos son fabricados en Japón (se esfuerzan mucho en promocionarlo) y comprobados uno a uno bajo los más altos estándares de calidad (comprobados con el sistema A1 antes de ser entregados dicen), no debería ser una mala copia entonces ¿No?. Bueno y si lo es, pues que se pongan las pilas y no produzcan copias así, no tenemos tiempo de andar probando objetivos, no somos beta-tester, pagamos por un producto en condiciones, comprobado y listo para usar. Quizá por el precio que tiene tampoco se le pueda exigir más, pero vamos, nitidez decente pero aberraciones horribles, calidad de construcción normalita, sin sellado contra el clima, sin estabilizador, AF ruidoso y que "respira"... Visto así una ganga no es tampoco. At a long distance set to their fastest respective apertures, we can see that the 30mm f/2.8 is sharper than either the 30mm f/1.4 or the 35mm f/1.8. This doesn’t come as a surprise: peak sharpness on an f/1.4 or f/1.8 prime lens is rarely found at the fastest aperture and the f/2.8 aperture of the Sigma 30mm Art gives more contrast to start with. The 35mm f/1.8 is only a little sharper than the 30mm f/1.4 but once again, this is due to the difference in aperture.

With the 35mm f/1.8, I found it quite easy to use speeds as slow as 1/3 of a second or even 0.4s with a couple of attempts. With the Sigma lenses and a non-stabilised Sony body like the a6300, it is risky to go below 1/15th of a second. a6300, 0.4s, f/1.8, ISO 400Modifico mi reseña porque con el uso comprobé que la nitidez central es buena y la nitidez de esquina es decente incluso totalmente abierto. Compré este objetivo motivado por las buenas críticas y reseñas, se supone que es de lo mejorcito para la A6000 y.... Bueno, no es así la verdad, lo comento por puntos. Another trade-offforhavingan F1.4 maximum aperture in a relatively small lens is fairly severe barrel distortion that is easily detected in any scene with straight vertical elements. Without correction, it has potential to be a bit distracting.

As of today, there are three standard autofocus primes for the Sony E-mount APS-C system with an approximate 50mm field of view*: the Sony E 35mm f/1.8 OSS, Sigma 30mm f/1.4 DC DN Contemporary and Sigma 30mm f/2.8 DN Art. Photographers using mirrorless systems who crave an f/1.4 standard lens should take a close look at the Sigma 30mm F1.4 DC DN Contemporary, as it makes available light photography a true reality, even when shooting on city streets at night, and delivers strong results. Images are crisp, especially at f/2 and narrower settings, right up to the edge of the frame, and the lens itself is affordable, light, and compact. Given that the Sony lens has a different focal length to the two Sigma lenses, it makes sense that its field of view is slightly narrower. The only downside is that axial or ‘longitudinal’ chromatic aberration is sometimes visible when shooting at very wide apertures. Also referred to as ‘bokeh fringing’, this shows up as purple and green fringes around high-contrast transitions, in front of or behind the point of focus. Unlike lateral chromatic aberration, which generally only occurs towards the edges and corners of the frame, axial chromatic aberration can occur anywhere in the frame. Even so, the Sigma isn’t an underachiever in this respect, matching or beating many other fast primes including the Canon EF-M 32mm f/1.4. Reduce the aperture by a single f/stop and the fringing virtually disappears.La luce è più importante dell'obiettivo, soprattutto se siete all'inizio, è più importante imparare a gestire le luci piuttosto che investire tanto in un obiettivo.

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