SIGMA APO 50-500mm f/4-6.3 EX RF HSM — Optical Cross-Section & Ray Tracing

Home / Lenses / Sigma / SIGMA APO 50-500mm f/4-6.3 EX RF HSMSIGMA APO 50-500mm f/4-6.3 EX RF HSMJP 2001-108902 A↗, Numerical Example 1 — Tomoki Kono
20 ELEMENTS / 16 GROUPS
DESIGN f = 50.16–483.77 mm
DESIGN F/4.15–6.39
ALL SPHERICAL
4 SLD ELEMENTS
Focus MechanismThe patent prints only the infinity state, so the model is shown at infinity only. The patent focuses with the rear group G7, which Figure 1 shows moving toward the image, but its travel is not published. The maker lists a 1–3 m minimum-distance range; 3 m is product metadata and does not move the optics.
Optical Elements (20 physical)ElementTypeGlass
L1Negative MeniscusNBFD10 (HOYA coordinate equivalent; supplier unconfirmed)
L2Biconvex PositiveUnmatched (nd 1.497, vd 79.3; historical identity unresolved)
L3Positive MeniscusUnmatched (nd 1.497, vd 79.3; historical identity unresolved)
L4Negative MeniscusUnmatched (nd 1.713, vd 54.1; historical identity unresolved)
L5Biconcave NegativeS-LAL14 (OHARA coordinate equivalent; supplier unconfirmed)
L6Biconvex PositiveS-TIH1 (OHARA coordinate equivalent; supplier unconfirmed)
L7Biconcave NegativeTAF1 (HOYA coordinate equivalent; supplier unconfirmed)
L8Biconvex PositiveUnmatched (nd 1.497, vd 79.3; historical identity unresolved)
L9Biconvex PositiveUnmatched (nd 1.497, vd 79.3; historical identity unresolved)
L10Negative MeniscusS-TIH6 (OHARA coordinate equivalent; supplier unconfirmed)
L11Biconcave NegativeUnmatched (nd 1.713, vd 54.1; historical identity unresolved)
L12Positive MeniscusNBFD15 (HOYA coordinate equivalent; supplier unconfirmed)
L13Positive MeniscusS-FSL5 (OHARA coordinate equivalent; supplier unconfirmed)
L14Biconvex PositiveS-TIL25 (OHARA coordinate equivalent; supplier unconfirmed)
L15Biconvex PositiveS-FSL5 (OHARA coordinate equivalent; supplier unconfirmed)
L16Negative MeniscusS-TIH6 (OHARA coordinate equivalent; supplier unconfirmed)
L17Biconvex PositiveS-TIH4 (OHARA coordinate equivalent; supplier unconfirmed)
L18Biconcave NegativeNBFD13 (HOYA coordinate equivalent; supplier unconfirmed)
L19Biconcave NegativeN-LAF35 (SCHOTT coordinate equivalent; supplier unconfirmed)
L20Biconvex PositiveS-TIM22 (OHARA coordinate equivalent; supplier unconfirmed)

Element	Type	Glass
L1	Negative Meniscus	NBFD10 (HOYA coordinate equivalent; supplier unconfirmed)
L2	Biconvex Positive	Unmatched (nd 1.497, vd 79.3; historical identity unresolved)
L3	Positive Meniscus	Unmatched (nd 1.497, vd 79.3; historical identity unresolved)
L4	Negative Meniscus	Unmatched (nd 1.713, vd 54.1; historical identity unresolved)
L5	Biconcave Negative	S-LAL14 (OHARA coordinate equivalent; supplier unconfirmed)
L6	Biconvex Positive	S-TIH1 (OHARA coordinate equivalent; supplier unconfirmed)
L7	Biconcave Negative	TAF1 (HOYA coordinate equivalent; supplier unconfirmed)
L8	Biconvex Positive	Unmatched (nd 1.497, vd 79.3; historical identity unresolved)
L9	Biconvex Positive	Unmatched (nd 1.497, vd 79.3; historical identity unresolved)
L10	Negative Meniscus	S-TIH6 (OHARA coordinate equivalent; supplier unconfirmed)
L11	Biconcave Negative	Unmatched (nd 1.713, vd 54.1; historical identity unresolved)
L12	Positive Meniscus	NBFD15 (HOYA coordinate equivalent; supplier unconfirmed)
L13	Positive Meniscus	S-FSL5 (OHARA coordinate equivalent; supplier unconfirmed)
L14	Biconvex Positive	S-TIL25 (OHARA coordinate equivalent; supplier unconfirmed)
L15	Biconvex Positive	S-FSL5 (OHARA coordinate equivalent; supplier unconfirmed)
L16	Negative Meniscus	S-TIH6 (OHARA coordinate equivalent; supplier unconfirmed)
L17	Biconvex Positive	S-TIH4 (OHARA coordinate equivalent; supplier unconfirmed)
L18	Biconcave Negative	NBFD13 (HOYA coordinate equivalent; supplier unconfirmed)
L19	Biconcave Negative	N-LAF35 (SCHOTT coordinate equivalent; supplier unconfirmed)
L20	Biconvex Positive	S-TIM22 (OHARA coordinate equivalent; supplier unconfirmed)