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YouTubeChristopher Frost
Sigma 150-600mm f/5-6.3 DG OS HSM 'C' lens review with samples (Full-frame & APS-C)
Note (19/3/19): some firmware updates may affect this lens's OS performance - a couple of people have mentioned the image looks less steady now, but that Sigma tell them performance has actually improved. Find it here (Amazon affiliate link - I earn a commission on purchases. Be sure to buy the right lens for your system): https://geni.us ...
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