Reviews and Problems with Sigma 18-125mm f/3.5-5.6 DC
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REVIEW: Sigma 18-125mm f/3.5-5.6 DC
22 August 2008
Conclusion: As a walk-around lens, this design from the Sigma stable scores well over the normal offering of ‘kit’ lenses, giving extended focal length at the long end and improved performance at the wide end. The reduced need for lens changes on the digital SLR’s that it is made for ensures less chance of the dreaded dust getting at the sensor whilst, at the same time, the light weight and compact size will reduce neck ache after long days carrying it around.
Pros: Compact size and weight, Good build quality, Out-performs most ‘kit’ lenses especially at the wide end., Good range of mounts available.
Excerpt: WHAT YOU SHOULD KNOW: Like Sigma's other DC (for Digital Camera) lenses, the 18-125mm f/3.5-5.6 is mountable only on DSLRs with APS-scaled image sensors. (You'll get severe edge vignetting on a 35mm camera.) This $269 optic will be available in the Olympus E-series mount, the most affordable lens for Olympus E-1 and Evolt owners.
Sigma AF 18-125mm f/3.5-5.6 DC (Pentax K) - Review / Lab Test Report
22 August 2008
Conclusion: The Sigma AF 18-125mm f/3.5-5.6 DC is naturally a bit of compromise solution but the overall package is actually quite sound especially when taking the low price tag into account. The lens is pretty sharp when stopped down a little and CAs are surprisingly low for such an extreme zoom. However, the vignetting could be a little better at wide-open aperture specifically at the 18mm and 125mm setting and the level of distortions is very high throughout the zoom range.
Sigma AF 18-125mm f/3.5-5.6 DC - Review / Test Report
9 August 2008
Conclusion: The Sigma AF 18-125mm f/3.5-5.6 DC is naturally a compromise but the package is a bit more sound compared to its more ambitious sister lens - the AF 18-200mm f/3.5-6.3 DC. Sigma seems to have followed a quite interesting design approach - ignoring distortions and focus on the rest and this works out pretty well. The lens is very sharp specifically around the wide end of the zoom range but the tele settings aren´t bad either.