SONY FE 24mm f/2.8 G — Optical Cross-Section & Ray Tracing

Home / Lenses / Sony / SONY FE 24mm f/2.8 GSONY FE 24mm f/2.8 GJP 2022-030896 A Example 1 — Tamron / Sony
8 ELEMENTS / 7 GROUPS
Patent f = 24.710 mm
F/2.8 marketed; F/2.884 design
2ω = 84.98° patent
4 ASPHERICAL SURFACES
Focus MechanismInner focus: G2 translates 1.542 mm toward the object from infinity to 0.18 m; G1 and G3 remain fixed.
Optical Elements (10)ElementTypeGlass
L1Negative MeniscusFC5 (HOYA, 487/704 code)
L2Biconcave NegativeFC5 (HOYA, 487/704 code)
L2rAspherical Resin LayerProprietary optical resin (patent nd=1.53610, vd=41.21)
L3Biconvex PositiveS-LAH55VS (OHARA) class
L4Negative MeniscusS-NBH8 (OHARA) / KZFS-family short-flint class
L5Biconvex PositiveFCD1 (HOYA) / S-FPL51 (OHARA) class
L6rAspherical Resin LayerProprietary optical resin (patent nd=1.53610, vd=41.21)
L6Negative MeniscusS-TIL1 (OHARA) / LLF1 class
L7Positive Meniscus (2× Asph)FCD1B (HOYA) / S-FPL51 (OHARA) class
L8Biconcave NegativeS-TIL2 (OHARA) / FEL2 class
AnalysisDetailed analysis available in the interactive viewer above.

Element	Type	Glass
L1	Negative Meniscus	FC5 (HOYA, 487/704 code)
L2	Biconcave Negative	FC5 (HOYA, 487/704 code)
L2r	Aspherical Resin Layer	Proprietary optical resin (patent nd=1.53610, vd=41.21)
L3	Biconvex Positive	S-LAH55VS (OHARA) class
L4	Negative Meniscus	S-NBH8 (OHARA) / KZFS-family short-flint class
L5	Biconvex Positive	FCD1 (HOYA) / S-FPL51 (OHARA) class
L6r	Aspherical Resin Layer	Proprietary optical resin (patent nd=1.53610, vd=41.21)
L6	Negative Meniscus	S-TIL1 (OHARA) / LLF1 class
L7	Positive Meniscus (2× Asph)	FCD1B (HOYA) / S-FPL51 (OHARA) class
L8	Biconcave Negative	S-TIL2 (OHARA) / FEL2 class