Camera and Lenses:
Lenses are reasons for capturing images closely. The objects which are far and subjects that are near appear closer on using lenses. Zoom lenses are expensive and must be researched for before buying it for the camera. The linked in website lists a number of Nikon D7000 Lenses which are used with Nikon D700 DSLR Camera.

Stun Gun:
People have been practicing self defense since the evolution has ever begun. Self defense has been developed as an art of fighting to defend oneself from external attacks. The attacks can be from anti socials, animals and any other kind of anti civil acts of crimes. The art of self defense is much practiced in Asia in its various forms but non-violence has curbed such activities. Non violence is successful in eliminating personal human attacks by way of meditation and art of living. But there are instances where people may find criminal practices when on tour and animal attacks when of jungle safari or likes. These are the time when one must carry accessories along with stun gun which is a successful tool to save oneself from external animal and human attacks.