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Sigma

Sigma 2x EX DG APO Tele-Converter AF for Pentax AF Cameras

SKU: SG2XPXAF MFR: 876109
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About this item

The dedicated 1.4x APO Teleconverter features a high performance 5 element/3 group optical design, and it is optimized for use with long telephoto and telezoom lenses.

The high performance optical characteristics of these teleconverters maintain the optical performance of the compatible lenses with which they can be used.

Sigma APO Tele Converter 1.4x and 2x are dedicated Tele Converter lenses, which should be used only with the listed lenses.
The 2X Convertor will fit the following lenses
180mm f/3.5 APO MACRO EX - MF
300mm f/2.8 EX - AF
300mm f/4.0 APO MACRO - MF
400mm f/5.6 APO MACRO - MF
500mm f/4.5 APO EX - MF

70-200mm f/2.8 EX - AF
50-500mm f/4-6.3 APO - MF
100-300mm f/4 - MF
Will also fit the following Orginal Pentax AF Lenses
200mm f2.8 - AF
300mm f2.8 - AF
600mm f4.0 - MF

On the lists, the lenses marked "AF" will retain auto focus operation when used with a Tele Converter. The lenses marked "MF can only be used for manual focus.

Please refer to the manufacturers Teleconverer Matching List for an updated compatability chart.
http://www.sigma-photo.co.jp/english/acc/condaitr.htm

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Technical Specs

Construction 5 Groups /6 Elements
Dimensions (Length x Diameter) 68 x 45.3mm / 2.6 x 1.78"
Weight 234g / 8.3oz.
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