OTQNO: Difference between revisions
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[[File:OTQNO.jpg|250px]] | [[File:OTQNO.jpg|250px]] | ||
*'''Production era''' - 1959- | *'''Production era''' - 1959-1983 | ||
*'''Code number''' - 16468 | *'''Code number''' - 16468 | ||
*'''Type''' - Visoflex ring addapter used with [[OUAGO]] and [[90mm f/4 Elmar]] or [[Elmar (II) f= 9 cm 1:4]] lens head to extend the close focus range: | *'''Type''' - Visoflex ring addapter used with [[OUAGO]] and [[90mm f/4 Elmar]] or [[Elmar (II) f= 9 cm 1:4]] lens head to extend the close focus range: | ||
Revision as of 16:47, 18 February 2012
- Production era - 1959-1983
- Code number - 16468
- Type - Visoflex ring addapter used with OUAGO and 90mm f/4 Elmar or Elmar (II) f= 9 cm 1:4 lens head to extend the close focus range:
- One x OTQNO = 2 feet - EF = 1.5 x
- Two x OTQNO = a little under 20 inches (image shown) - EF = 1.7 x
- Compatibility - Note: 90 Elmar lens heads above serial 1572401 are suitable for Visoflex use without modification. Lenses from 697901-1572400 require factory adjustment and below 697900 are suitable but may not reach infinity without adjustment.
- Source
- Dennis Laney's Leica Accessory Guide (1st edition) pgs 49-50 courtesy of Mike Butkus
