21mm f/3.4 ASPH Super-Elmar-M

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M21f34.jpg

  • Leica Order No. - 11145
  • Production era - 2011-current
  • Angle of view (diagonal, horizontal, vertical)
    • for 35mm (24 x 36 mm) - 91°, 80°, 59°
    • for M8 (18 x 27 mm) - 74°, 64°, 46° (Equivalent focal length : approx. 28 mm)
  • Optical design
    • Number of lenses/groups - 8 / 7 - Aspherical surfaces: 2
    • Position of entrance pupil - 15.6 mm (related to the first lens surface in light direction)
  • Distance setting
    • Focus range - 0.7 m - ∞
    • Scales - Combined meter /feet graduation
    • Smallest object field - 706 mm x 1059 mm (35mm) / 530 mm x 795 mm (for M8)
    • Largest reproduction ratio - 1 : 29.4
  • Aperture
    • Setting/Function - With click-stops, half values available, 9-blade manual diaphragm
    • Lowest value - f /16
  • Bayonet - Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models
  • Filter mount/Lens hood
    • Hood 12465
    • Non-rotating
    • Female thread - for screw-on filters E46
    • Male thread - with stop for lens hood (included in delivery)
  • Dimension and weight
    • Length - ca. 43 /55 mm (with /without Lens hood)
    • Largest diameter - approx. 54 mm (early version 52 mm; revised version 54 mm to allow enough clearance)
    • Weight - approx. 279 g
  • Inscription - LEICA SUPER-ELMAR-M 21mm 1 : 3.4 / 21 APSH. E46 4XXXXXX
  • Source - Manufacturer's Technical Data 21 Jun 2011
  • Leica Tech Data - 21mm f/3.4 ASPH Super-Elmar-M.pdf - courtesy Summilux.net

Comment

  • Reviews
  • From Erwin Puts Blog "I am asked quite often what three or four lenses I would select that best represent the Leica philosophy. For this moment in time I would propose the following set:
Super-Elmar-M 3.4/21mm ASPH
Summilux-M 1.4/35 mm ASPH (latest version)
Summicron-M 2/75 ASPH
Here are the arguments: . . ."

Leica 21mm f/3.4 ASPH Super-Elmar-M Serial Numbers

Serial numbers compiled from known lenses
~ stolen lens, please report if found on sale
SN Start SN End Product Year Total
-4108622 4108934- Super-Elmar-M ASPH f= 21mm 1:3.4 2011 313+
-4121216 unknown Super-Elmar-M ASPH f= 21mm 1:3.4 2012 unknown
-unknown 4230826~ Super-Elmar-M ASPH f= 21mm 1:3.4 2013 unknown
TOTAL ASSIGNED SERIAL NUMBERS 2011-Current unknown