Amazon offers its Prime members Celestron UpClose G2 10x50 Porro Binocular, model no. 71256, for $19.58 with free shipping. (Non-members can spend $35 to qualify for free shipping; otherwise, it adds $6.68.) That's the lowest total price we could find by $8. Features include multi-coated optics, ergonomic thumb indents, carrying case, and strap.

Orders placed today are guaranteed to arrive in time for Christmas.