The Leica I (A) was introduced in 1925.

  • First production batch of 174 Leica cameras had Anastigmat lens. These cameras are in the list of most desired items for any Leica collector.
  • Second batch of 1000 cameras was produced in the same year of 1925 and had Elmax lens. These cameras are also extremely rare these days.
  • Third, and most popular, Leica I(A) design had Elmar lens. They were produced starting 1926 up until 1936.
  • One more rare version had Hektor lens. There were only 1330 of these cameras manufactured during 1930-1931.