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Sigma general purpose lenses for Four Thirds DSLRs

Standard zoom lenses offer a general-purpose range from wide angle to short telephoto, thereby giving you great day-to-day flexibility and covering typical landscape shots to basic portrait work. The vast majority of standard zoom lenses in use are those kit models which are popularly bundled with many DSLRs, but Sigma offers a number of alternatives which you may want to upgrade to, or buy from day-one. They include brighter versions of standard ranges, or super-zoom models with massive optical ranges for the ultimate in compositional flexibility.

As always, bear in mind any reduction in field due to your DSLRs sensor when choosing a lens. Models complying with the Four Thirds standard have a reduction factor of 2x, which effectively multiply lens focal lengths by two times. So if you go for an 18-50mm lens, you’ll actually have an equivalent of 36-100mm. For a full explanation of lens specifications and examples of coverage at different focal lengths, check out our Camera Labs Lens Buyers Guide.

 


Sigma 18-50mm f2.8 EX DC Macro HSM

   
Focal length: 18-50mm
Aperture: f2.8
Lens mount: 4/3
Equiv on 4/3 DSLR: 36-100mm
Full-frame compatible: No
  Anti-shake: No
AF motor: HSM
Closest focus: 28cm
Filter thread: 72mm
Lens hood: LH780-04
  Construction: 15 el. / 13 groups
Diaphragm blades: 7
Weight: 535g
Size (diam x length): 79x86mm


Sigma lenses for Four Thirds DSLRs
/ Guide to lens specifications / Main lenses page


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