Tamron 17-28mm f/2.8 Di III RXD Fullframe E-mount lens is available for order now ($899 at B&H Photo)
Covering ultra-wide to wide focal lengths, this lens is particularly suitable for landscape, astrophotography and architecture. Bright f/2.8 constant maximum aperture affords increased control over depth of field along with enhanced low-light performance. Optical design incorporates a both XLD and LD elements, which produce a highly corrected image with reduced chromatic aberrations and color fringing for improved clarity and color accuracy. Individual elements also feature Tamron’s BBAR coating, which suppresses flare and ghosting for greater contrast when working in backlit and harsh lighting conditions.

An RXD stepping motor enables quick, near-silent autofocus performance to suit stills and video, along with full-time manual focus override and a minimum focusing distance of 7.5″. Suiting this lens’s use in inclement weather conditions, it also features a moisture-resistant construction along with a fluorine-coated front element to protect against fingerprints and smudging.

Specs

Focal Length: 17 to 28mm
Maximum Aperture: f/2.8
Minimum Aperture: f/22
Lens Mount: Sony E
Format Compatibility: Full-Frame
Angle of View: 103° 41′ to 75° 23′
Maximum Magnification: 0.1923 to 0.1666x
Macro Reproduction Ratio: 1:5.2
Minimum Focus Distance: 7.48″ / 19 cm
Optical Design: 13 Elements in 11 Groups
Diaphragm Blades: 9 Rounded
Focus Type: Autofocus
Filter Size: 67 mm (Front)
Dimensions (ø x L): 2.87 x 3.90″ / 73 x 99 mm
Weight: 14.82 oz / 420 g

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Order Tamron 17-28mm f/2.8 Di III RXD Fullframe E-mount lens from B&H Photo