Attend this tournament as a spectator. This will give you an opportunity to observe how it is conducted and talk to the sponsor and competitors. Be sure you don't disturb the competitors during the match. The time between relays is a good time to talk to them. You will see a variety of equipment and accessories.
Competitors have their own opinion as to what is best.
This may sound confusing, but remember, you're there to gather information. If there is a club in your area, make arrangements to attend one or more if its practice sessions. This will serve the same purpose of attending a tournament except a practice session is not always conducted under match conditions. However, this will give you a better opportunity to talk about equipment. An excellent way for a new shooter to start in competitive shooting is a league.