BuyDig offers the Sigma 50mm f/1.4 EX DG HSM Lens for Nikon, model no. 310306, or Canon, model no. 310101, for the in-cart price of $399. Coupon code “PROSLRGRP75K” cuts it to $379. With free shipping, that’s $10 under our mention of both lenses from three days ago and the lowest total price we could find for either lens by $70. It features a hyper sonic motor for silent, high-speed auto-focus.

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