sigma 500mm
Sale Price:$333.00
Original Price:$999.00
sale
Key features. (Image credit: Future) This lens is built for speed. As such, its key features are a fast f/4 aperture rating, a super-speedy ring -type ultrasonic autofocus system, and a wealth of handling trickery tailored to nailing sports, action and wildlife shots. apa arti sigma rule
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