28mm–90mm f/2.8–4.5 ASPH Vario-Elmarit-R: Difference between revisions

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*'''Scales''' - Combined meter/feet graduation
*'''Scales''' - Combined meter/feet graduation


*'''Filter mount/Lens hood''' - Series 6 filters in filter drawer / Built-in, telescopic, rubber-armored front edge
*'''Filter mount/Lens hood''' - Internal thread for screw-in type filters E 67 / Built-in, pull-out, petal shaped sections


*'''Accessories''' -  
*'''Accessories''' -  

Revision as of 00:48, 29 December 2008

Rv-28f28.jpg

  • Leica Order No. - 11 365 / LLC -
  • Era 2004-Current / Serial Nos. -
  • Lens mount - LEICA R quick-change bayonet for LEICA R3 to LEICA R9 with mechanical, and, for LEICA R8/R9, additional electronic exposure control
  • Number of lenses/groups - 11/8 - Arbeitsbereich 0,6 m bis unendlich
  • Focusing range - 2 m / 6.6 ft < ∞ can be focused beyond infinity, focusing does not have to be corrected for IR-photography
  • Aperture - 2.8 > 22 - Preset diaphragm with clickstops (including half values), Fully automatic diaphragm
  • Smallest object field/Largest reproduction ratio - 28 mm focal length: 400 x 600 mm, 90 mm focal length: 133 x 200mm / 1:5.5
  • Angle of view (diagonal, horizontal, vertical) - 28 mm: 73.4°, 63.6°, 44.9° / 90 mm: 27.6°, 23.1°, 15.5°
  • Position of entrance pupil - 408 mm / 16.0 in (related to the first lens surface in light direction)
  • Scales - Combined meter/feet graduation
  • Filter mount/Lens hood - Internal thread for screw-in type filters E 67 / Built-in, pull-out, petal shaped sections
  • Accessories -
  • Viewfinder - Camera viewfinder
  • Materials - optical glass
  • Focal length - 28 < 90 mm / 1.1 < 3.5 in
  • Length to bayonet flange - 99 mm / 3.9 in
  • Largest diameter - 80 mm / 3.1 in
  • Weight - 740 g / 1.6 lb
  • Inscription -