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 shown at left (camera not shown)
  • 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
• Weight - 1.35 kg /2.98 lb
• Variants - Early w/ black retention ring (left), later w/ chrome (right); pre-bayonet versions had the accessory shoe mounted lower than the later screw and M-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 (rig w/o camera shown ghosted)
  • PEGOO - 45 degree 4 x eyepiece with right-way-round image (rig w/o camera shown ghosted)
• Other Visoflex Accessories
• Source
  • Dennis Laney's Leica Accessory Guide (1st edition) page 47 courtesy of Mike Butkus
• Manuals & brochures
  • Visoflex I - 1953 (in German)
  • Bellows I - 1954 (in German)

Comment

• Visoflex discussion
  • Visoflex Forum
  • JCB's a little...Visoflex I Collection
  • Jan Dvorak's Visoflex I
  • Visoflex I, II, III discussion
  • Fontenelle archive IFLEX
  • Viso I M-mount unknown single-click coupling
• Forum discussion
  • [1]
  • [2]
  • [3]
  • [4]

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	4214
5214	6645	Visoflex I (w/ alignment feature)	1951	1432
6646	7199	Visoflex I (micro versions available)	1952	554
7200	32369+	Visoflex I (single release coupler operation + M-mount)	1952-1962	unknown
TOTAL	ASSIGNED	SERIAL NUMBERS	1951-1962	31,370+

Preceded by Ploot - Superseded by Visoflex II /Visoflex III