Yes: Of course it is possible for you to have sex when you have urinary tract infection. I trust that you under treatment for the infection. Please note that trauma of sex may damage the lining of the urethra and worsen the infection and pain due to infection.
Best Answer: No, the L120 definitely does not have a detachable lens. Nikon's L series cameras are entry level compacts, and do not have any advanced features such as a detachable lens. In fact, none of Nikon's compact cameras have one. If you want a detachable lens, you need to get either a Nikon DSLR or their 1 series mirrorless cameras that will be available later this month. You are probably referring to a fisheye lens. Of course, you cannot use that kind of lens on a L120 as it cannot accept a different lens.
Lenses with the 'G' designation don't have an aperture ring. Aperture has to be set through the camera. AFS lenses have the focusing motor built into the lens. Usually much quieter and faster focusing than regular AF lenses that have the focusing motor in the body and mechanically focus the lens.: The lens has no aperture control ring and is designed to be used with cameras that allow setting the aperture from the camera body. G lenses also provide Distance information to the camera.