Canon cuts an extra 10% off a selection of its factory-refurbished lenses via coupon code "QQCC15", as listed below. Shipping adds $5, but orders of $200 or more qualify for free shipping. Each lens is covered by a 1-year Canon warranty. The deals, with prices after coupon and compared to the best prices for new units:

• Refurbished Canon EF 75-300mm f/4-5.6 III Lens for $62.99 (pictured, low by $47)
• refurbished Canon EF-S 55-250mm f/4-5.6 IS II Lens for $89.99 (low by $99)
• refurbished Canon EF-S 55-250mm f/4-5.6 IS STM Lens for $116.99 (low by $182)