Sears offers the Craftsman Light Meter, model no. LT10, for $45.74 with free shipping. That's $15 off list and the lowest price we could find, although we saw it for $6 less last May. It requires an unspecified battery, which is not included.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.