Photography.
A camera.
As long as the photos are not 'you in the nude' then there is nothing wrong with him showing you candid shots of you. If you do not like your boyfriend taking candid shots of you and feel it is invading your privacy then communicate to him how you feel about it.
Photography.
Yes, lots of them. The HST was built for taking photographs.
A camera
There are many professional photographers who take candid images of legs. However permission must always be sought before taking any images of the subjects.
There are no formal requirements to becoming a wedding photographer. One must be good at taking photographs, and understanding lighting and what angles are most flattering.
A camera would be my first choice.
an apparatus for taking a series of photographs of moving objects for examination with the kinetoscope
A camera.
The biggest benefit of using a ring flash when taking photographs is the fact that it illuminates the subject for multiple angles. This allows it to avoid the extra shadows the off-lighting axis creates.