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Sigma has increased the instant rebates on the lenses below by $50 for July:
Sigma 10-20mm F3.5 EX DC HSM $449.00 (30% off) @ B&H $449.00 (30% off) @ Adorama ---------------------------------------- Sigma 17-50mm F2.8 EX DC HSM $469.00 (29% off) @ B&H $469.00 (29% off) @ Adorama ----------------------------------------