LEICA SUMMILUX-M 35mm f/1.4 ASPHERICAL — Optical Cross-Section & Ray Tracing

Home / Lenses / Leica / LEICA SUMMILUX-M 35mm f/1.4 ASPHERICALLEICA SUMMILUX-M 35mm f/1.4 ASPHERICALUS 5,161,060 A↗ — Walter Watz
9 ELEMENTS / 5 GROUPS
35mm MARKETING; EFL ≈ 35.412mm
f/1.4 (CALIBRATED STOP)
64° PUBLISHED FULL FIELD
2 ASPHERICAL SURFACES
Focus MechanismFocus travel is not modeled: one published optical state only; 0.7 m and about 1:17.5 are source performance statements, not an authored movement law.
Optical Elements (9 physical)ElementTypeGlass
L1Biconcave NegativeS-FTL10 class (coordinate-compatible spectral proxy; native e 1.503/56.1; supplier/melt unproven)
L2Biconvex PositiveTAFD10 class (coordinate-compatible spectral proxy; native e 1.82/45.1; supplier/melt unproven)
L3Biconvex Positive (1× Asph)TAFD10 class (coordinate-compatible spectral proxy; native e 1.82/45.1; supplier/melt unproven)
L4Biconcave NegativeN-SF8 class (coordinate-compatible spectral proxy; native e 1.694/31; supplier/melt unproven)
L5Positive Meniscus (concave to object)N-LAF21 class (coordinate-compatible spectral proxy; native e 1.792/47.2; supplier/melt unproven)
L6Biconcave NegativeSF2 class (coordinate-compatible spectral proxy; native e 1.652/33.6; supplier/melt unproven)
L7Biconvex PositiveTAFD10 class (coordinate-compatible spectral proxy; native e 1.82/45.1; supplier/melt unproven)
L8Biconvex Positive (1× Asph)TAFD10 class (coordinate-compatible spectral proxy; native e 1.82/45.1; supplier/melt unproven)
L9Biconcave NegativeF2 class (coordinate-compatible spectral proxy; native e 1.624/36.1; supplier/melt unproven)

Element	Type	Glass
L1	Biconcave Negative	S-FTL10 class (coordinate-compatible spectral proxy; native e 1.503/56.1; supplier/melt unproven)
L2	Biconvex Positive	TAFD10 class (coordinate-compatible spectral proxy; native e 1.82/45.1; supplier/melt unproven)
L3	Biconvex Positive (1× Asph)	TAFD10 class (coordinate-compatible spectral proxy; native e 1.82/45.1; supplier/melt unproven)
L4	Biconcave Negative	N-SF8 class (coordinate-compatible spectral proxy; native e 1.694/31; supplier/melt unproven)
L5	Positive Meniscus (concave to object)	N-LAF21 class (coordinate-compatible spectral proxy; native e 1.792/47.2; supplier/melt unproven)
L6	Biconcave Negative	SF2 class (coordinate-compatible spectral proxy; native e 1.652/33.6; supplier/melt unproven)
L7	Biconvex Positive	TAFD10 class (coordinate-compatible spectral proxy; native e 1.82/45.1; supplier/melt unproven)
L8	Biconvex Positive (1× Asph)	TAFD10 class (coordinate-compatible spectral proxy; native e 1.82/45.1; supplier/melt unproven)
L9	Biconcave Negative	F2 class (coordinate-compatible spectral proxy; native e 1.624/36.1; supplier/melt unproven)