BEHOO

• Production era - 1935-1959
• Type - Adjustable extension legs and clamping ring for Elmar (I) f= 5 cm 1:3.5, Elmar (II) f= 5 cm 1:3.5 or Summar f= 5 cm 1:2 , with stops and markings for 1:1, 1:1.5 and 1:2 used as copy stand or for measuring distance and size for close-up work.
• BEOOY - is similar with longer legs.
• Preceded by - BEVOR 1931-1932, BEMAR and BESOT 1933-1934.
• Superseded by - BOOWU/16511 1959-1970 and BOOWU-M (later BOWUM/16526) 1956-1976 for A4, A5 and A6 paper sizes and M-cameras.
• Reference - Page 43 and 44 of Dennis Laney's Leica 1984 Accessory Guide courtesy of Mike Butkus
• Jean-Christophe Barnoud's Using a BOOWU
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