There are a few low cost range finders that you can pick up that will do the trick in terms of estimating yardages. Yes, I said estimating as these range finders have the yardage marked inside the lens that will estimate the distance using the height of the pin.
One of these range finders is the The Barska Blueline 8×22 AA10199 Golf Scope Waterproof Ruby Lens Clam Monoculars. You can estimate the range to the pin with the internal distance range-finding reticle. Its convenient non-slip rubber grip and waterproof coating helps you handle the tiny Barska Blueline Golf Scope Waterproof Ruby Lens Clam Monoculars with amazing ease. With a range of 50 to 200 yards, this little Barska Blueline 8×22 monocular is rather big on clarity, quality and convenience.
The Bushness 5×20 golf scope is another range finder that works in the same fashion. The Golf Scope is a small, 5x magnification monocular that has an internal reticle that makes estimating the distance to the pin fast and easy within a range of 50 to 200 yards.
Using a golf rangefinder in your golf game can help your game in several ways. Knowing your club distances is the number one way a golf rangefinder can help your golf game. Head out to the driving range and hit each club a certain distance.
Hand held range finder fits neatly in the palm of your hand and can be easily stowed in a pocket, golf bag, backpack or glove compartment; The sleek rubber housing protects the fully coated optics from minor jostles and bumps that you find on the course.