90mm f/2.5 Summarit-M

From Leica Wiki (English)
Revision as of 03:40, 14 December 2008 by Admin (talk | contribs)
Jump to navigationJump to search

M-90f25-c.jpg


  • Leica Order No. - 11 646
  • Angle of view (diagonal, horizontal, vertical) - For 35 mm (24 x 36 mm) : 27 deg, 22.6 deg, 15.2 deg, - for LEICA M8 (18 x 27 mm) : 20.4 deg, 17.1 deg, 11.4 deg, corresponds to a focal length of approx. 120 mm with 35 mm-format
  • Number of lenses/groups - 5/4
  • Position of entrance pupil - (from apex of 1st lens element) 54.8 mm
  • Focusing range - 1 m to ∞
  • Scales - Combined meter/feet graduation
  • Smallest object field/Largest reproduction ratio - For 35 mm, approx. 213 x 320 mm /1:8.9 = for LEICA M8, approx. 160 x 240 mm /1:8.9
  • 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 E46, external thread for lens hood, protection ring for external thread included in delivery, lens hood available as accessory
  • Viewfinder - Camera viewfinder
  • Material - Anodized aluminum, bronze and optical glass
  • Length to bayonet flange - approx. 66.5 mm
  • Largest diameter - approx. 55 mm
  • Weight - approx. 360 g