At B&H Photo Video, trade in a working interchangeable lens camera to receive up to $300 off a Sony Alpha Mirrorless Digital SLR. An email with a redeemable coupon will be sent after the condition of your trade-in is assessed. You can also include compatible equipment in your trade-in for appraisal. This savings is separate from the actual value of your trade-in, of which one is limited per customer. Deal ends September 8.