If you are unsure of the best golf rangefinder to purchase reading more reviews should help you narrow down your choices. Sometimes it is easy to get caught up in the marketing from manufacturers while not getting a real idea of the performance of the device.
Many of the insights on this page came from sifting through thousands of reviews. Here are some good resources for reviews on golf rangefinders:
MyGolfSpy.com
Amazon.com
criticalgolf.com
twogolfguys.com
GolfWRX.com