Visoflex I

• Production era - 1951-1959 - Micro version 1953-1961 - Bayonet version 1955-1959
• Code names
  • OZUPO 16484 - Viso I (housing only, for screw-type cameras & lenses)
  • OZYXO 16485 - Viso I with 5 x vertical magnifier LVFOO
  • IFLEX - Scientific micro version with rotating clear or diffused focusing screen in screw and bayonet types
  • OZXOM, OZYXO-M 16482 - Bayonet version with LVFOO
• Type - Mirror reflex housing
• Optical depth - 62.5 mm screw mount version (same as precursor, PLOOT); 63.5 mm bayonet version
• Variants - Early w/ black retention ring (left), later w/ chrome (right); pre-bayonet versions had the accessory shoe mounted lower than the later versions
• Included cable releases (see also FINOT OPKOM OZWTO OZWTO-M GIIFT)
  • OZWTO 16492 - Double cable release, screw cameras
  • GIIFT - Cable release for micro versions IFLEX and MIKAS
  • OZTOM 16491 - Double cable release, bayonet cameras
• Available Viso I magnifiers
  • PAMOO - 90 degree 5 x eyepiece (developed for PLOOT) with reverse image
  • LVFOO - Straight (chimney) 5 x eyepiece (shown ghosted)
  • PEGOO - 45 degree 4 x eyepiece with right-way-round image (shown ghosted)
• Other Visoflex Accessories
• Source
  • Dennis Laney's Leica Accessory Guide (1st edition) page 47 courtesy of Mike Butkus

Serial numbers

Serial numbers from Dennis Laney's Leica Accessory Guide (1st edition) page 47 and known Viso Is

SN Start	SN End	Product	Year	Batch
1000	5213	Visoflex I (w/o alignment feature)	1951	unknown
5214	6645	Visoflex I (w/ alignment feature)	1951	unknown
6646	7199	Visoflex I (micro versions available)	1952	unknown
7200	14000+	Visoflex I (single release coupler operation)	1952-1962	unknown
TOTAL	ASSIGNED	SERIAL NUMBERS	1951-1962	unknown

Preceded by PLOOT - Superseded by Visoflex II /Visoflex III