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Sigma AF 17-50mm f/2.8 EX DC OS HSM (Nikon) - Review / Test Report

Sigma AF 17-50mm f/2.8 EX DC OS HSM (Nikon) - Review / Test Report | landscape photo | Scoop.it

ver many years Sigma struggled to take off in the fast standard zoom arena for APS-C DSLRs. That segment had been dominated by the Tamron AF 17-50mm f/2.8 (VC) with its highly attractive price/performance ratio and the all mighty but expensive OEM offerings (Nikon AF-S DX 17-55/2.8 and Canon EF-S 17-55/2.8 IS) owning the quality crown. However, with the release of the AF 17-50mm f/2.8 EX DC HSM OS in 2010, Sigma finally offers a lens that is able to compete in this arena.


That alone may not be all THAT exciting - we've seen many fast standard zoom lenses by Sigma come and go - but this one is a bit more special. Within the recent years, Sigma announced a couple of lenses featuring their new FLD glass and the new 17-50mm f/2.8 OS is among them. FLD glass has an optical characteristic similar to fluorite glass. Such glass elements can be used to compensate optical aberrations (defects) more efficiently than conventional "special" elements such as Sigma's more commonly used SLD glass. We were already very impressed by the performance of the Sigma AF 8-16mm f/4.5-5.6 DC HSM which also benefits from FLD elements so there's some well founded hope that the AF 17-50mm f/2.8 EX DC HSM OS stands out from the ordinary as well.

 

So, let's have a look at how the lens performs on our current DX test camera, the Nikon D7000.


Via Philippe Gassmann
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Investigators Search Bank Indonesia Overnight in Century Probe - Bloomberg

Investigators Search Bank Indonesia Overnight in Century Probe - Bloomberg | landscape photo | Scoop.it
Investigators Search Bank Indonesia Overnight in Century Probe Bloomberg Indonesia's anti-corruption commission searched the central bank's premises through the night as part of a probe into the 2008 PT Bank Century bailout that has dogged...
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Mount Bromo, East Java

Mount Bromo, East Java | landscape photo | Scoop.it

Bromo is a mountain names contained in eastern Java, more precisely in the "city of the poor". Bromo has a height of 2392 meters above sea level. Bromo has a crater with a diameter of ± 800 meters (north-south) and ± 600 meters (east-west). While the danger area of a circle with a radius of 4 km from the central crater of Bromo. The best time to come to Bromo is around the month of June to October. If you come during the summer, tourists can see the sunrise and views of the mountains are large extend with bright moments.

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Indonesia: the need for peaceful dialogue in West Papua | East Asia ...

Indonesia: the need for peaceful dialogue in West Papua | East Asia ... | landscape photo | Scoop.it
Author: Hipolitus Yolisandy Ringgi Wangge, Northwestern University & Agustinus Kambuaya, Cenderawasih University The Free Papua Movement (Organisasi.
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Kota Tua, Jakarta

Kota Tua, Jakarta | landscape photo | Scoop.it

Kota Tua Jakarta, also known as Old Batavia (Oud Batavia), is a small area in Jakarta, Indones

ia. This particular region has an area of 1.3 square kilometers across the North Jakarta and West Jakarta (Pinangsia, Taman Sari and Roa Malaka).

 

Dubbed the "Jewel of Asia" and "Queen of the East" in the 16th century by European sailors, Old Jakarta is considered as the center of trade for the continent of Asia because of its strategic location and abundant resources.

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