VOIGTLÄNDER NOKTON 50mm f/1.2 X-Mount — Optical Cross-Section & Ray Tracing

Home / Lenses / Voigtländer / VOIGTLÄNDER NOKTON 50mm f/1.2 X-MountVOIGTLÄNDER NOKTON 50mm f/1.2 X-MountJP 2025-58577 A EXAMPLE 1 — COSINA / SHIBATA
9 ELEMENTS / 8 GROUPS
f ≈ 48.5 mm
F/1.23
2ω ≈ 32.6°
ALL SPHERICAL
Focus MechanismUnit focusing (entire optical assembly extends toward object).
Optical Elements (9)ElementTypeGlass
L11Positive MeniscusS-LAL18 (OHARA)
L12Positive MeniscusS-LAL18 (OHARA)
L13Positive MeniscusS-LAL18 (OHARA)
L14Negative MeniscusS-TIH13 (OHARA)
L15Negative MeniscusS-TIH14 (OHARA)
L21Negative MeniscusS-NPH1 (OHARA)
L22Biconvex PositiveTAFD37A (HOYA)
L31Biconvex PositiveTAFD37A (HOYA)
L32Negative MeniscusS-NBH5 (OHARA) / N-KZFS5 (Schott) / E-ADF50 class
AnalysisDetailed analysis available in the interactive viewer above.

Element	Type	Glass
L11	Positive Meniscus	S-LAL18 (OHARA)
L12	Positive Meniscus	S-LAL18 (OHARA)
L13	Positive Meniscus	S-LAL18 (OHARA)
L14	Negative Meniscus	S-TIH13 (OHARA)
L15	Negative Meniscus	S-TIH14 (OHARA)
L21	Negative Meniscus	S-NPH1 (OHARA)
L22	Biconvex Positive	TAFD37A (HOYA)
L31	Biconvex Positive	TAFD37A (HOYA)
L32	Negative Meniscus	S-NBH5 (OHARA) / N-KZFS5 (Schott) / E-ADF50 class