35mm f/1.4 ASPH.fle Summilux-M

• Leica Order No. - 11 663-black - -titanium
• Production era - 2010-Current
• Known as - FLE (floating element)
• Angle of view (diagonal, horizontal, vertical) - For 35 mm format (24 x 36 mm): 63°, 54°, 37°, for M8 & M8.2 (18 x 27 mm): 49°, 42°, 28°, equivalent to approx. 47 mm for 35 mm format
• Optical design
  • Number of lenses/groups - 9 /5
  • Focal length - 35.6 mm
  • Aspherical surfaces - 1
  • Position of entrance pupil - 16.6 mm from the apex of the first lens element
• Distance settings
  • Focusing range - 0.7 m to ∞
  • Scales - Combined meter /feet graduation
  • Smallest object field/ Largest reproduction ratio - For 35 mm format: approx. 418 × 626 mm /1:17.4 (for M8 approx. 313 × 470 mm /1:17.4)
• Aperture
  • Setting/function - f/1.4-16 with click-stops, half values available / 9-blade
• Mount - Leica M quick-change bayonet with 6-bit bar-coding for digital M-models
• Filter - Inner threading for E46 screw-in filters, non-rotating front element
• Accessories - Hood: 12465 Full-metal, rectangular, screw-mount hood (supplied with the lens)
• Materials - Black anodized aluminum
• Dimensions and weight
  • Length to bayonet flange - Approx. 46 /58 mm (with /without lens hood)
  • Largest diameter - Approx. 56 mm
  • Weight - Approx. 320 g
• Data from - May 17, 2010 Leica press release
  • Manufacturer's technical data - Leica PDF

Comment

• Forum discussion
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• 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: . . ."

• Erwin Puts pg. 171 pg. 173
• Ken Rockwell
• Thorsten Overgaard

35mm f/1.4 ASPH.fle Summilux-M Serial Numbers

Serial numbers compiled from known lenses

SN Start	SN End	Product	Year	Total
-4006688	unknown-	Summilux-M 35mm f/1.4 ASPH.	2010	unknown
-4067334	4095807-	Summilux-M 35mm f/1.4 ASPH.	2010	28,474+
-4101424	4123668-	Summilux-M 35mm f/1.4 ASPH.	2010	22,245+
-4139358	4139630-	Summilux-M 35mm f/1.4 ASPH.	2011	219+
-414XXXXX	4152171-	Summilux-M 35mm f/1.4 ASPH.	2011	unknown
-unknown	4162079-	Summilux-M 35mm f/1.4 ASPH.	2012	unknown
TOTAL	ASSIGNED	SERIAL NUMBERS	2010-	unknown