90mm f/2.5 Summarit-M: Difference between revisions

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*'''Aperture''' - Setting/Function Preset, with click-stops, half values available ; Lowest value 16
*'''Aperture''' - Setting/Function Preset, with click-stops, half values available ; Lowest value 16
*'''Lens mount''' - Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models
*'''Lens mount''' - Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models
*'''Filter mount/Lens hood''' - Non-rotating, internal thread for screw-on filters
*'''Filter mount/Lens hood''' - Non-rotating, internal thread for screw-on filters size E39, external thread with stop for lens hood, protection ring for external thread included in delivery, lens hood available as accessory  
size E39, external thread with stop for lens hood, protection ring for external thread included in delivery, lens hood available as accessory  
*'''Viewfinder''' - Camera viewfinder
*'''Viewfinder''' - Camera viewfinder
*'''Material''' - Anodized aluminum and optical glass
*'''Material''' - Anodized aluminum and optical glass

Revision as of 01:12, 14 December 2008

M-90f25-c.jpg

  • Leica Order No. - 11 643
  • Angle of view(diagonal, horizontal, vertical) - For 35 mm (24 x 36 mm) : 63 deg, 54 deg, 38 deg, - for LEICA M8 (18 x 27 mm) : 50 deg, 42 deg, 29 deg, corresponds to a focal length of approx. 47 mm with 35 mm-format
  • Number of lenses/groups - 6/4
  • Position of entrance pupil - (from apex of 1st lens element) 9.3 mm
  • Focusing range - 0.8 to ∞
  • Scales - Combined meter/feet graduation
  • Smallest object field/Largest reproduction ratio - For 35 mm, approx. 490 x 735 mm /1:20.4 = for LEICA M8, approx. 367 x 551 mm /1:20.4
  • Aperture - Setting/Function Preset, with click-stops, half values available ; Lowest value 16
  • Lens mount - Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models
  • Filter mount/Lens hood - Non-rotating, internal thread for screw-on filters size E39, external thread with stop for lens hood, protection ring for external thread included in delivery, lens hood available as accessory
  • Viewfinder - Camera viewfinder
  • Material - Anodized aluminum and optical glass
  • Length to bayonet flange - approx. 33.9 mm
  • Largest diameter - approx. 51.4 mm
  • Weight - approx. 220 g