Focus in on your next marketing campaign with these multi-lens pocket magnifiers! These handy accessories feature two pull out lenses that can be used alone or in a sliding combination for 2x, 3x, 5x and 8x magnification! With your logo imprinted on the sharp black background send the finished product to your valued clients as one way of saying thank you for their continued business. Ideal for research facilities and optometrists. Great for campus bookstores too!