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Order nos. - 11215-Leicaflex - 11216-R.only - 11345-ROM - 11217-R.only.Safari LLC - 123 Production era 1976-2009, 99,736+ lenses Lens mount - LEICA R-bayonet for LEICA R3 to LEICA R9 with mechanical, and, for LEICA R8/R9, additional electronic exposure control Variants - Black, Safari green, R-only and 3-cam versions Number of lenses/groups - 6 / 4 Focusing range - 0.5 m / 19.7 in < ∞ Aperture range - f/2-f/16 - Preset diaphragm with clickstops (including half values), 6-blade fully automatic diaphragmSmallest object field/Largest reproduction ratio - 180 mm x 270 mm / 1:7.5Angle of view (diagonal, horizontal, vertical) - 47°, 40°, 27°Position of entrance pupil - 20.2 mm / 0.8 in (related to the first lens surface in light direction)Scales - Combined meter/feet graduationFilter mount/Lens hood - Internal thread for screw-in type filters E 55 / Built-in, telescopicAccessories - ELPRO close focusing attachments type 1 and 2Viewfinder - Camera viewfinderMaterials - Anodized aluminum and optical glassFocal length - 52.5 mm / 2.07 inLength to bayonet flange - 41 mm / 1.6 inLargest diameter - 66 mm / 2.6 inWeight - 290 g / 10.2 ozInscriptions - LEICA SUMMICRON-R 1:2/50 E 55 3XXXXXXLEITZ SUMMICRON-R 1:2/50 3XXXXXXSUMMICRON-R 1:2/50 LEITZ CANADA 3XXXXXX
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