96 http://www.digitalcameraworld.com
FULL-FRAME COMPATIBLE Yes
APS-C EFFECTIVE FOCAL LENGTH
112mm
IMAGE STABILIZER No
MINIMUM FOCUS DISTANCE 26cm
MAX MAGNIFICATION FACTOR 1.0x
MANUAL FOCUS OVERRIDE YES
FOCUS LIMIT SWITCHES Yes
INTERNAL ZOOM 6cm
INTERNAL FOCUS No
FILTER SIZE 49mm
IRIS BLADES 9
WEATHER SEALS Yes
SUPPLIED ACCESSORIES Hood
DIMENSIONS (DIA x LENGTH) 71x106mm
WEIGHT 515g
PRICE £449/$469SPECIFICATIONS
030601020407
05LENSTEST
SIGMA 70mm f/2.8
DG Macro Art
The first macro lens in Sigma’s Global Vision line-up presents
itself as something of a surprise
his new 70mm Art lens
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I(;'*26+600DFUR
OHQVYHU\KLJKO\Launched in
2011 and narrowly predating Global
Vision lenses, Sigma’s 105mm
macro lens has a focal length that’s
widely regarded as ideal for macro
photography. It also features fully
internal ring-type ultrasonic
focusing, adds an optical stabilizer
and delivers excellent image quality,
all for the bargain price of around
£329/$569. In some ways, the new
70mm Art lens looks more like a
throwback to the somewhat
antiquated 70mm f/2.8 EX DG
Macro, but looks can be deceiving.aberration, distortion and
peripheral illumination, where
featured in the host body.
Whereas the older 70mm lens
had an autofocus system based on a
noisy electric motor, the new Art
edition has a state-of-the-art
coreless DC autofocus motor. It’s
quick, whisper-quiet and precise.
Full-time manual override is
available and, more importantly for
macro shooting, fully manualT
Build quality and
finish is amazing
and lends to the
Sigma’s pro feel 7KHEXLOGTXDOLW\DQGÀQLVKRI
the new lens is top-class. Premium
materials include Sigma’s TSC
(Thermally Stable Composite)
plastic and a brass mounting plate
that features a weather-seal ring.
The lens is compatible with Sigma’s
optional USB Dock for applying
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and it’s also compatible with
Canon’s in-camera corrections for
the likes of lateral chromaticThe Sigma
performs very well,
making fringing
almost entirely
negligible