ISO 3166-2:BG ISO 3166-2:BG ISO 3166-2:BG is the entry for Bulgaria in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. Currently for Bulgaria, ISO 3166-2 codes are defined for 28 districts. Each code consists of two parts, separated by a hyphen. The first part is , the ISO 3166-1 alpha-2 code of Bulgaria. The second part is two digits (01–28). The codes are assigned in Bulgarian alphabetical order. Subdivision names are listed as
Canon BG-ED3 Canon BG-ED3 The Canon BG-ED3 is a battery grip manufactured by Canon for certain models of its EOS digital SLR camera range. It was originally designed for the Canon EOS D30. It can hold 2 BP-511 or BP-511A batteries, effectively doubling the battery life of these cameras. The BG-ED3 can also accept the DR-400 DC Coupler, which when attached to a CA-PS400 or AC adapter ACK-E2, draws directly from an AC power source. A BG-ED3 is not necessary to use a compatible EOS camera with the DR-400. This battery grip also has extra buttons for controlling the camera. It has