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Sigma Macro lenses and tele-converters for Sony Alpha DSLRs

Macro lenses are designed for photographing small subjects at close range, such as flowers or insects. All lenses can take close-up photos, but Macro lenses are optimised for it, and are able to produce much better results.

Typical macro lenses have focal lengths between 50 and 150mm and can also be used for other subjects, although they are designed to perform best at close range. The longer the focal length, the more distant you can be from your subject. Note Sigma's DC models are not compatible with full-frame bodies.

Teleconverters are compact units which fit between a lens and camera body to multiply the focal length. A 2x teleconverter will multiply a lens focal length by two times, allowing, say, a 200mm lens to deliver the same field of view as a 400mm. This saves you from buying or carrying two lenses. Teleconverters can work with almost all lenses, but are designed to work best with telephotos. Note a handful of lenses may not be compatible with teleconverters, so check before buying.

The downside to teleconverters is a slower focal ratio. If you use a 2x teleconverter, both your focal length and your smallest f-number will double. So if you had a 200mm f2.8 lens, it would become a 400mm f5.6 lens. This represents two stops difference, which means an exposure four times slower. A slower focal ratio can also cause problems for some autofocus systems which tend to only work at f5.6 or brighter. So if you use a 2x teleconverter on an f5.6 lens, it will become an f11.2 model with manual focus only.

Sigma offers a 2x and a 1.4x teleconverter. The 1.4x model clearly won’t extend the focal length as much, but only results in the loss of one stop – so you’ll only need an exposure twice as long. A 200mm f2.8 lens with a 1.4x teleconverter would therefore act like a 280mm f4 model. For a full explanation of lens specifications and examples of coverage at different focal lengths, check out our Camera Labs Lens Buyers Guide.

 


   
Sigma macro 50mm f2.8 EX DG

     
Focal length: 50mm
Aperture: f2.8
Lens mount: A-mount
Equiv on APS-C DSLR: 75mm
Full-frame compatible: Yes
Anti-shake: No
AF motor: requires AF motor in DSLR
  Closest focus: 19cm
Filter thread: 55mm
Lens hood: LH550-01
Construction: 10 el. / 9 groups
Diaphragm blades: 7
Weight: 320g
Size (diam x length): 71x67mm

   
Sigma macro 70mm f2.8 EX DG

     
Focal length: 70mm
Aperture: f2.8
Lens mount: A-mount
Equiv on APS-C DSLR: 105mm
Full-frame compatible: Yes
Anti-shake: No
AF motor: requires AF motor in DSLR
  Closest focus: 26cm
Filter thread: 62mm
Lens hood: TBC
Construction: 10 el. / 9 groups
Diaphragm blades: 9
Weight: 525g
Size (diam x length): 76x95mm

   
Sigma macro 105mm f2.8 EX DG

     
Focal length: 105mm
Aperture: f2.8
Lens mount: A-mount
Equiv on APS-C DSLR: 158mm
Full-frame compatible: Yes
Anti-shake: No
AF motor: requires AF motor in DSLR
  Closest focus: 31cm
Filter thread: 58mm
Lens hood: LH580-02
Construction: 11 el. / 10 groups
Diaphragm blades: 8
Weight: 457g
Size (diam x length): 74x98mm

 

   
Sigma 1.4x tele-converter APO EX DG

     
Lens mount: A-mount
Full-frame compatible: Yes
  Construction: TBC
Weight: TBC
Size (diam x length): TBC

   
Sigma 2x tele-converter APO EX DG

     
Lens mount: A-mount
Full-frame compatible: Yes
  Construction: TBC
Weight: TBC
Size (diam x length): TBC


Sigma lenses for Sony DSLRs
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