LEICA SUMMILUX-M 50mm f/1.4 II — Optical Cross-Section & Ray Tracing

Home / Lenses / Leica / LEICA SUMMILUX-M 50mm f/1.4 IILEICA SUMMILUX-M 50mm f/1.4 IIUS 3,291,553↗ — Walter Mandler
7 ELEMENTS / 5 GROUPS
50mm f/1.4
ALL-SPHERICAL
Focus MechanismFocus travel is not modeled: the patent supplies one optical state only; 1.0 m is historical product metadata and no focus motion is authored.
Optical Elements (7 physical)ElementTypeGlass
L1Positive MeniscusEquivalent high-index lanthanum-flint class (S-LAH64 / N-LAF21 / J-LASF014; supplier/melt unproven)
L2Positive MeniscusEquivalent high-index lanthanum-flint class (S-LAH64 / N-LAF21 / J-LASF014; supplier/melt unproven)
L3Negative MeniscusEquivalent dense-flint class (S-TIH14 / N-SF14 / J-SF14; supplier/melt unproven)
L4Negative MeniscusEquivalent dense-flint class (S-TIH1 / N-SF1 / J-SF1; supplier/melt unproven)
L5Positive MeniscusEquivalent high-index lanthanum-flint class (S-LAH64 / N-LAF21 / J-LASF014; supplier/melt unproven)
L6Biconvex PositiveEquivalent lanthanum-flint class (S-LAM2 / N-LAF2 / J-LAF2; supplier/melt unproven)
L7Negative MeniscusEquivalent lanthanum-flint class (S-LAM3 / J-LAF3; supplier/melt unproven)

Element	Type	Glass
L1	Positive Meniscus	Equivalent high-index lanthanum-flint class (S-LAH64 / N-LAF21 / J-LASF014; supplier/melt unproven)
L2	Positive Meniscus	Equivalent high-index lanthanum-flint class (S-LAH64 / N-LAF21 / J-LASF014; supplier/melt unproven)
L3	Negative Meniscus	Equivalent dense-flint class (S-TIH14 / N-SF14 / J-SF14; supplier/melt unproven)
L4	Negative Meniscus	Equivalent dense-flint class (S-TIH1 / N-SF1 / J-SF1; supplier/melt unproven)
L5	Positive Meniscus	Equivalent high-index lanthanum-flint class (S-LAH64 / N-LAF21 / J-LASF014; supplier/melt unproven)
L6	Biconvex Positive	Equivalent lanthanum-flint class (S-LAM2 / N-LAF2 / J-LAF2; supplier/melt unproven)
L7	Negative Meniscus	Equivalent lanthanum-flint class (S-LAM3 / J-LAF3; supplier/melt unproven)