Ploot

• Production era - 1935-1951
• Code names
  • PLOOT - Mirror reflex housing with fixed eyepiece and double cable release (1935-1940) Note: fixed eyepiece was 8 mm higher than the similar, subsequent POOIM
  • PROON - housing only (1940-1951)
• ODULO = PROON + POOIM (shown ghosted)
• Type - Mirror reflex housing
• Optical depth - 62.5 mm for screw mount
• Variants - Black body with nickel (rare) or chrome trim. Post 1940 versions had an accessory shoe and the mirror-release button could be locked down. Viewing screens were lenticular or flat. A micro version was introduced in 1950.
• Included cable release
  • POORQ - Double cable release with three control stops
• Available Ploot magnifiers
  • PAMOO - 90 degree 5 x eyepiece with reverse image
  • POOIM - Vertical 5 x eyepiece w/ swing-in 30 x magnifier
• Source
  • Dennis Laney's Leica Accessory Guide (1st edition) page 45 courtesy of Mike Butkus

Comment

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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
0001	8000	Ploot	1951	unknown
TOTAL	ASSIGNED	SERIAL NUMBERS	1935-1951	unknown

Superseded by Visoflex I