Camera equipment helps in getting the best results but it does not take nice pictures by itself. There is no specific gear that can guarantee an attractive photo. The photographer has to "make" it.
Cameras and accessories
Nikon digital camera bodies.
Vertical grips.
Wired and Infrared remote controls.
Manfrotto Neotec 458B and 190CX3 tripods with ball heads.
Hoodman HoodLoupe 3.0
Kata bags, backbags and rain covers.
Lighting gear and modifiers
Lastolite diffusers and reflectors.
Nikon Speedlights and Lastolite soft boxes.
WhiBal Certified Neutral Gray cards.
Close-up accessories
Kenko set of extension bellows for Nikon.
Nikon 6T close-up lens.
Lenses
Tokina 11-16 mm f/2.8 ATX DX Pro
Micro Nikkor 55 mm f/2.8
Zeiss Makro-Planar T* 50 mm f/2 ZF.2
Tamron 90 mm f/2.8 Macro SP Di AF.
Zeiss Makro-Planar T* 100mm f/2 ZF.2
Micro Nikkor 70-180 mm f/4.5-5.6 AF-D ED.
Tamron AF 180 mm f/3.5 Macro SP Di LD IF.
Micro Nikkor AF 200 mm f/4 D IF-ED.