TAMRON 28-75MM F/2.8 DI III RXD SONY E/FE

Product ID: 9822

EAN: 4960371006543

  • E-Mount Lens / Full frame format
  • Opening range: f / 2.8 to f / 22
  • An XLD element, an LD element
  • Three aspherical elements
  • BBAR and fluoride coatings
  • RXD Stepping AF engine
  • Moisture-resistant construction
  • 9-leaf rounded diaphragm

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Tamron 28-75mm f / 2.8 Di III Lens RXD for Sony E

Combining an elegant form factor with a versatile working range, the Tamrones 28-75mm f / 2.8 Di III RXD a full frame compatible lens for Sony E-mount mirrorless cameras. encompassing wide angle to portrait length, a constant maximum aperture of f / 2.8 complements this range and allows greater control over depth of field along with better performance in low light. the optical design incorporates a series of aspherical and low dispersion elements, which produce a highly corrected image with spherical aberrations, producing a highly corrected image with spherical aberrations in low light. the optical design incorporates a series of aspherical and low dispersion elements, which produce a highly corrected image with spherical aberrations,

The versatile standard zoom is designed for Sony Full-frame unmounted cameras, however, it can also be used with APS-C models where it will provide an equivalent focal length range of 42-112.5 mm.

The constant maximum aperture f / 2.8 brilliant provides constant brightness throughout the zoom range and offers better control over the depth of field.

An XLD (eXtra Low Dispersion) element and an LD (Low Dispersion) element greatly reduce color fringes and chromatic aberrations across the zoom range for greater color clarity and accuracy.

Two hybrid aspherical elements and one molded glass aspherical element minimize distortions and spherical aberrations to produce sharper, more accurate representation.

BBAR (Broadband Anti-Reflection) coating has been applied to individual elements to suppress internal reflections, glare, and ghost images for greater contrast and color fidelity when working in bright lighting conditions.

This focusing system also offers a minimum focusing distance of only 7.5" and a maximum magnification of 1:2.9 for working with subjects in the foreground; it is also possible to override manual focus full-time and supports Sony's direct manual focus function or tuned manual control.

A moisture-resistant construction benefits the use of this lens in inclement conditions, and a fluoride coating has also been applied to the front lens element to protect it from dust, dirt and stains.

The rounded nine-leaf diaphragm contributes to a pleasant bokeh quality.

 
Data sheet
 
SPECS
Performance
Focal length 28 - 75 mm
Opening Maximum: f / 2.8
Minimum: f / 22
Type of camera mounting Sony
Format Compatibility 35mm film sensor / full frame digital
Point of view 75 ° 23 '- 32 ° 11'
Minimum Focusing Distance 7.48" / 19 cm
Increase 0.34 - 0.25x
Maximum reproduction ratio 1: 2.9
Optical design 15 elements in 12 groups
Diaphragm Blades 9, rounded
Characteristics
Autofocus Yes, I do
Physical
Filter yarn Front: 67 mm
Dimensions (DxL) Approx. 2.87 x 4.64 "/ 73 x 117.8 mm
Weight 1.21 lb / 550 g
 
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Opiniones(2)
Calidad precio
Víctor Mesonero López on 22/03/2019 Calidad precio es lo que mejor define a este objetivo. Bastante nítido a f2.8 pero con un viñeteo de más de un paso y medio a ese difragma y en 28mm, reduciendose a 1/3 de paso cuado llegamos a f5.6. En 50mm, el viñeteo sigue siendo bastante acusado, llegandoa cerca de un paso en f2.8 y siendo prácticamente inperceptible a f5.6. De nuevo en 75mm a f2.8, el viñeteo reaparece con fuerza llegando a tener un paso y dos tercios de viñeteo en 2.8 y algo menos de dos tercios de paso en f5.6. En cuanto a nitidez, es muy buena en todo el rango de focales y diafragmas, pero, como cabía esperar, donde mejor resultados conseguimos es en las focales medias (ente 35 y 60mm) con un diafragma de 5.6/ 8. Pero como digo, en 2.8 es más nítido de lo que esperaba para una lente que podemos considerar "barata" Construcción en plástico, pero con una buena sensación en la mano, buenos acabados y anillos de enfoque y zoom suaves y sin tirones o durezas de ningún tipo. Muy contento en este aspecto. En resumen, viñeteos muy acusados en f2.8-3.5 y nitidez más que aceptable en todos los rangos, destacanto en focales y diafragmas medios.
SATISFECHO
Lorenzo Garrido Ramirez on 09/07/2018 A falta de probarlo de forma más continua, parace un buen objetivo, robsto y fiablr, Hecho de menos al opciond e ponerlo en foco manual desde el propio objetivo, como toda la vida

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