50mm f/2.5 Summarit-M: Difference between revisions

Revision as of 03:23, 14 December 2008

Leica Order No. - 11 644
Angle of view (diagonal, horizontal, vertical) - For 35 mm (24 x 36 mm) : 47 deg, 40 deg, 27 deg, - for LEICA M8 (18 x 27 mm) : 36 deg, 30 deg, 20 deg, corresponds to a focal length of approx. 67 mm with 35 mm-format

Number of lenses/groups - 6/4
Position of entrance pupil - (from apex of 1st lens element) 28.0 mm
Focusing range - 0.8 to ∞
Scales - Combined meter/feet graduation
Smallest object field/Largest reproduction ratio - For 35 mm, approx. 338 x 508 mm /1:14.1 = for LEICA M8, approx. 254 x 380 mm /1:14.1
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. 33.0 mm
Largest diameter - approx. 51.5 mm
Weight - approx. 230 g

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+*'''Leica Order No.''' - 11 644
+*'''Angle of view''' (diagonal, horizontal, vertical) - For 35 mm (24 x 36 mm) : 47 deg, 40 deg, 27 deg, - for LEICA M8 (18 x 27 mm) : 36 deg, 30 deg, 20 deg, corresponds to a focal length of approx. 67 mm with 35 mm-format
+*'''Number of lenses/groups''' - 6/4
+*'''Position of entrance pupil''' - (from apex of 1st lens element) 28.0 mm
+*'''Focusing range''' - 0.8 to ∞
+*'''Scales''' - Combined meter/feet graduation
+*'''Smallest object field/Largest reproduction ratio''' - For 35 mm, approx. 338 x 508 mm /1:14.1 = for LEICA M8, approx. 254 x 380 mm /1:14.1
+*'''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. 33.0 mm
+*'''Largest diameter''' - approx. 51.5 mm
+*'''Weight''' - approx. 230 g