Advantages: Hugely versatile. Compact. Light. Inexpensive. High quality. Disadvantages: None!
...those early models.
The Sigma EX 1.4x APO Converter is an excellent and extremely versatile little accessory capable of extending the range and usefulness of many lenses and in my opinion, a valuable and essential addition to the kit bag.
It is of EX designation which in Sigma terminology means 'Excellence' and indicates that it is considered to be within the top quality professional range of Sigma lens products. It has the familiar smooth black ... ...APS-C) or 119mm f/2 on Sigma DSLR's. That 100mm f/2 lens I mentioned earlier will become an effective 210mm f/2.8 lens (Nikon APS-C), 224mm f/2.8 lens (Canon APS-C) and a 238mm f/2.8 on Sigma DSLR's. Quite useful.
The converter is also very useful when paired with a good macro lens, such as Sigma's 70mm f/2.8, 105mm f/2.8 or 150mm f/2.8 Macro lenses, where it not only provides additional working space (through longer effective focal length) but ...
davecham 27.12.2008
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The 2x EX is placed between the lens and the camera and it allows the photographer to use ... more
the 70-200mm f/2.8 lens as a 140-400mm f/5.6 telephoto zoom lens- and the 300mm f/2.8 lens as a 600mm f/5.6 ultra telephoto lens. Click here to see a list of c...
The 1.4 EX is placed between the lens and the camera and it allows the photographer to use ... more
the 70-200mm f/2.8 lens as a 98-280m f/4 lens- and the 300mm f/2.8 lens as a 420mm f/4 lens; the high optical performance is maintained and the AF speed is not a...
Postage & Packaging: Free! Availability: Usually dispatched within 4-5 business days...
The 1.4 EX is placed between the lens and the camera and it allows the photographer to use ... more
the 70-200mm f/2.8 lens as a 98-280m f/4 lens- and the 300mm f/2.8 lens as a 420mm f/4 lens; the high optical performance is maintained and the AF speed is not a...
Postage & Packaging: Free! Availability: Usually dispatched within 4-5 business days...
The 1.4 EX is placed between the lens and the camera and it allows the photographer to use ... more
the 70-200mm f/2.8 lens as a 98-280m f/4 lens and the 300mm f/2.8 lens as a 420mm f/4 lens; the high optical performance is maintained and the AF speed is not af...
Postage & Packaging: Free! Availability: Usually dispatched within 3-4 business days...
The 1.4 EX is placed between the lens and the camera and it allows the photographer to use ... more
the 70-200mm f/2.8 lens as a 98-280m f/4 lens and the 300mm f/2.8 lens as a 420mm f/4 lens; the high optical performance is maintained and the AF speed is not af...
Postage & Packaging: Free! Availability: Usually dispatched within 3-4 business days...
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