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

Revision as of 03:40, 14 December 2008

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

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+*'''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