The sight is a piece of equipment that is optional in recurve archery. By observation, it looks far less optional in compound shooting since every compound bow I’ve seen has a sight on it. The sight is a piece of equipment that is fixed to your bow. If you have a metal riser, you probably have screw holes already drilled for the sight. If you have a wood riser or a knock down bow, you may not have an option for a sight. The sight consists of some mechanism for attachment (“mounting bracket”), a horizontal bar (“extension bar”), a vertical bar (“sight bar”), and a scope that travels up and down the vertical bar (“sight pin assembly”).
The sight is an interesting combination of relative and fixed instrumentation. You get the sight roughly in place and then make adjustments up and down the sight bar. This part can be confusing. I created this simple illustration to show how moving the sight pin assembly in the direction of the error corrects the position of the bow. If you start and the arrows are shooting too low, you move the sight pin assembly down.
The adjustment in my illustration are exaggerated, but are meant to show how the sight pin can be used to make an adjustment in the up and down direction of the riser and the bow. Similarly, if your arrows are going to high, move the sight pin assembly up and that will cause you to tilt your bow down to keep the pin on the target. There are all kinds of adjustments on a fully featured sight.
It could take quite a while to get all of these knobs adjusted and dialed in. It is recommended that you work with your sight a lot to learn how it’s adjustments work and to be ready to shoot at different distances. Recording your position (horizontal and vertical) is important. The scope can also be adjusted left to right with other knobs.
If you need to shoot longer distances, you may need to move the site pin assembly closer to you by adjusting the extension bar.
There are lots of adjustments and your sight may or may not have all the features. More features means the sight is going to cost more. Materials are either aluminum or carbon fiber. Carbon fiber moves less, so it is ultimately a better sight, but it costs a lot more too. The sight is probably another example of buy nice or buy twice.
After these basics, find out more at Jordan Sequillion’s site.