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Showing results for tags 'Teleconverter 2x'.
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Hi guys, Well, pretty much everything is in the title. I was wondering if anyone tried such a combo? Not necessarily with a Sigma lens and it can be with any A7 series camera of course. The Vivitar one seems good and not too expensive. I know we loose speed but considering the extra reach and price (and weight and volume saved in the bag), that's fair. I guess it's the trade-off. My only concern is the image quality. The sharpness will be impacted, but is it really a problem? What about chromatic aberrations? I'd like to have this extra reach with my Sigma 150mm f2.8 APO so that it'd be a 300mm. Any thoughts or feed back on this kind of combos and how it performs? Thank you very much! Chris