Tephrocactus articulatus is a species of cactus in the subfamily Opuntioideae of the Cactaceae family of plants.
== Dejanske dimenzije senzorja ==Nikonov DX format senzorja ima malce drugačne dimenzije od ostalih APS-C snzorjev:==DX objektivi=====Objektivi za Nikon DX format===* 10.5 mm f/2.8G ED AF DX Fisheye* 35mm f/1.8G AF-S DX NIKKOR* 40 mm f/2.8G DX Micro-Nikkor* 10–24 mm f/3.5-4.5G ED-IF AF-S DX* 12–24 mm f/4G ED-IF AF-S DX* 17–55 mm f/2.8G ED-IF AF-S DX* 18–55mm f/3.5-5.6G ED AF-S DX* 18–55mm f/3.5-5.6G ED AF-S II DX* 18-70 mm f/3.5-4.5G ED-IF AF-S DX* 18–135 mm f/3.5-5.6G ED-IF AF-S DX* 55-200 mm f/4-5.6G ED AF-S DX===Vibration reduction (VR) objektivi za DX format===* 16–85 mm f/3.5-5.6G ED AF-S VR DX* 18–55 mm f/3.5-5.6G AF-S VR DX* 18-105mm f/3.5-5.6G ED-IF AF-S VR DX* 18-200 mm f/3.5-5.6G ED-IF AF-S VR DX* 18-200 mm f/3.5-5.6G ED AF-S VR II DX* 55-200 mm f/4-5.6G ED AF-S VR DX* 55-300 mm f/4-5.6G ED AF-S VR DX* 85mm f/3.5 micro ED AF-S VR DX== Dejstva ==Za 1/3 manjša diagonala senzorja pri DX formatu pomeni za 1/3 ožji kot zajema od tistega pri senzorju za 35 mm format pri objektivu iste goriščnice.