35mm f/1.4 ASPH.fle Summilux-M

Leica Order No. - 11663-black - 11675-silver (Oct 2014)
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
Leica Tech Data - 35mm f/1.4 ASPH.fle Summilux-M.pdf - courtesy Summilux.net

Comment

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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: . . ."

Serial numbers compiled from known lenses

SN Start	SN End	Product	Year	Total
-4006688	4099313-	Summilux-M 35mm f/1.4 ASPH.	2010	92,696+
-4101380	4139941-	Summilux-M 35mm f/1.4 ASPH.	2011	38,562+
-4152171	4194109-	Summilux-M 35mm f/1.4 ASPH.	2012	41,939+
-4236723	unknown-	Summilux-M 35mm f/1.4 ASPH.	2013	unknown
TOTAL	ASSIGNED	SERIAL NUMBERS	2010-	unknown