SONY FE 400mm f/2.8 GM OSS — Optical Cross-Section & Ray Tracing

Home / Lenses / Sony / SONY FE 400mm f/2.8 GM OSSSONY FE 400mm f/2.8 GM OSSJP 2025-63175 A↗ — Riki Maruyama
22 ELEMENTS / 16 GROUPS
DESIGN f ≈ 388.15 mm
DESIGN F/2.91
2ω = 6.30°
ALL-SPHERICAL
Focus MechanismPUBLISHED GR2 inner focus: 19.70 mm objectward; d14 51.13→31.43 and d17 9.69→29.39 mm; 2.7 m datum undefined.
Optical Elements (22 physical)ElementTypeGlass
L11Biconvex PositiveE-FD15 (coordinate-compatible spectral proxy; supplier unconfirmed)
L12Biconvex PositiveCaF2 optical fluorite crystal (supplier unconfirmed)
L13Biconcave NegativeS-NBH56 (coordinate-compatible spectral proxy; supplier unconfirmed)
L14Biconvex PositiveCaF2 optical fluorite crystal (supplier unconfirmed)
L15Biconcave NegativeS-NBH56 (coordinate-compatible spectral proxy; supplier unconfirmed)
L16Positive MeniscusCaF2 optical fluorite crystal (supplier unconfirmed)
L17Negative MeniscusJ-KF6 (coordinate-compatible spectral proxy; supplier unconfirmed)
L21Biconvex PositiveS-FTM16 (coordinate-compatible spectral proxy; supplier unconfirmed)
L22Biconcave NegativeN-FK5 (coordinate-compatible spectral proxy; supplier unconfirmed)
L31Biconvex PositiveH-ZF4A (coordinate-compatible spectral proxy; supplier unconfirmed)
L32Biconcave NegativeJ-KF6 (coordinate-compatible spectral proxy; supplier unconfirmed)
L33Biconvex PositiveTAFD25 (coordinate-compatible spectral proxy; supplier unconfirmed)
L34Biconcave NegativeFCD1 (coordinate-compatible spectral proxy; supplier unconfirmed)
L35Biconcave NegativeJ-LASKH2 (coordinate-compatible spectral proxy; supplier unconfirmed)
L36Positive MeniscusS-NBH51 (coordinate-compatible spectral proxy; supplier unconfirmed)
L37Biconvex PositiveBAC4 (coordinate-compatible spectral proxy; supplier unconfirmed)
L38Biconcave NegativeTAFD55 (coordinate-compatible spectral proxy; supplier unconfirmed)
L39Biconvex PositiveS-FTM16 (coordinate-compatible spectral proxy; supplier unconfirmed)
L40Biconcave NegativeFCD505 (coordinate-compatible spectral proxy; supplier unconfirmed)
L41Positive MeniscusJ-SF8 (coordinate-compatible spectral proxy; supplier unconfirmed)
L42Biconvex PositiveNBFD15 (coordinate-compatible spectral proxy; supplier unconfirmed)
L43Negative MeniscusFDS24 (coordinate-compatible spectral proxy; supplier unconfirmed)

Element	Type	Glass
L11	Biconvex Positive	E-FD15 (coordinate-compatible spectral proxy; supplier unconfirmed)
L12	Biconvex Positive	CaF2 optical fluorite crystal (supplier unconfirmed)
L13	Biconcave Negative	S-NBH56 (coordinate-compatible spectral proxy; supplier unconfirmed)
L14	Biconvex Positive	CaF2 optical fluorite crystal (supplier unconfirmed)
L15	Biconcave Negative	S-NBH56 (coordinate-compatible spectral proxy; supplier unconfirmed)
L16	Positive Meniscus	CaF2 optical fluorite crystal (supplier unconfirmed)
L17	Negative Meniscus	J-KF6 (coordinate-compatible spectral proxy; supplier unconfirmed)
L21	Biconvex Positive	S-FTM16 (coordinate-compatible spectral proxy; supplier unconfirmed)
L22	Biconcave Negative	N-FK5 (coordinate-compatible spectral proxy; supplier unconfirmed)
L31	Biconvex Positive	H-ZF4A (coordinate-compatible spectral proxy; supplier unconfirmed)
L32	Biconcave Negative	J-KF6 (coordinate-compatible spectral proxy; supplier unconfirmed)
L33	Biconvex Positive	TAFD25 (coordinate-compatible spectral proxy; supplier unconfirmed)
L34	Biconcave Negative	FCD1 (coordinate-compatible spectral proxy; supplier unconfirmed)
L35	Biconcave Negative	J-LASKH2 (coordinate-compatible spectral proxy; supplier unconfirmed)
L36	Positive Meniscus	S-NBH51 (coordinate-compatible spectral proxy; supplier unconfirmed)
L37	Biconvex Positive	BAC4 (coordinate-compatible spectral proxy; supplier unconfirmed)
L38	Biconcave Negative	TAFD55 (coordinate-compatible spectral proxy; supplier unconfirmed)
L39	Biconvex Positive	S-FTM16 (coordinate-compatible spectral proxy; supplier unconfirmed)
L40	Biconcave Negative	FCD505 (coordinate-compatible spectral proxy; supplier unconfirmed)
L41	Positive Meniscus	J-SF8 (coordinate-compatible spectral proxy; supplier unconfirmed)
L42	Biconvex Positive	NBFD15 (coordinate-compatible spectral proxy; supplier unconfirmed)
L43	Negative Meniscus	FDS24 (coordinate-compatible spectral proxy; supplier unconfirmed)