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Reviews around iso (5.00 of 5)
Sony FE 1.4x Teleconverter
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Note that with this teleconverter you lose a single stop of light, as the maximum aperture on this lens goes from a constant f/2.8 to an f/4.0, but with the incredible low-light/high ISO performance of the a9 that I have attached, this difference is negligible.
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