NIKON AF-S NIKKOR 180-400mm f/4E TC1.4 FL ED VR — Optical Cross-Section & Ray Tracing

Home / Lenses / Nikon / NIKON AF-S NIKKOR 180-400mm f/4E TC1.4 FL ED VRNIKON AF-S NIKKOR 180-400mm f/4E TC1.4 FL ED VRWO 2019/131993 A1↗ — Mitsuaki Wada, Masashi Yamashita
TC OUT — EXAMPLE 1
27 ELEMENTS / 19 GROUPS
183.6–392.0 mm DESIGN ZOOM
f/4.08 MODELED
ALL-SPHERICAL
Focus MechanismCONSTRAINED_RECONSTRUCTION: cemented negative G1B (L16+L17) moves imageward by 19.898423 / 19.906745 / 19.909432 mm at wide / mid / tele to model Nikon's 2.0 m MFD; the normalized gaps after surfaces 9 and 13 retain a constant 34.399 mm sum.
Optical Elements (27 physical)ElementTypeGlass
L11Biconvex PositiveFluorite (CaF2; production-correlation supported)
L12Biconvex PositiveJ-FKH1 class (HIKARI exact nd/νd pair)
L13Biconcave NegativeS-NBH8 class (OHARA exact nd/νd pair)
L14Negative MeniscusJ-LASF016 (Hikari catalog equivalent; production supplier unspecified)
L15Positive MeniscusJ-FKH1 class (HIKARI exact nd/νd pair)
L16Positive MeniscusJ-LAFH3 class (HIKARI exact nd/νd pair)
L17Biconcave NegativeJ-BK7 (Hikari catalog equivalent; production supplier unspecified)
L18Positive MeniscusJ-LAK18 (Hikari catalog equivalent; production supplier unspecified)
L21Biconcave NegativeTAFD33 (Hoya catalog equivalent; production supplier unspecified)
L22Biconcave NegativeJ-FKH1 class (HIKARI exact nd/νd pair)
L23Biconvex Positive804238 very-dense flint class (catalog unresolved)
L24Negative MeniscusJ-FKH1 class (HIKARI exact nd/νd pair)
L31Positive MeniscusJ-LAK14 (Hikari catalog equivalent; production supplier unspecified)
L32Biconvex PositiveJ-FKH1 class (HIKARI exact nd/νd pair)
L33Negative MeniscusJ-LASFH24 (Hikari catalog equivalent; production supplier unspecified)
L41Negative MeniscusS-LAH98 class (OHARA exact nd/νd pair)
L42Biconvex PositiveJ-SK12 (Hikari catalog equivalent; production supplier unspecified)
L43Positive Meniscus815233 dense flint class (catalog unresolved)
L44Negative Meniscus633315 flint class (catalog unresolved)
L45Biconcave Negative726548 lanthanum crown class (catalog unresolved)
L46Negative MeniscusS-LAH95 class (OHARA nd exact; Δνd = +0.03)
L47Positive Meniscus690570 crown class (catalog unresolved)
L48Positive Meniscus819287 dense flint class (catalog unresolved)
L49Negative Meniscus806418 lanthanum flint class (catalog unresolved)
L410Biconvex Positive627376 flint class (catalog unresolved)
L411Biconvex PositiveJ-FKH1 class (HIKARI exact nd/νd pair)
L412Biconcave NegativeS-LAH99 class (OHARA nd exact; Δνd = +0.01)

Element	Type	Glass
L11	Biconvex Positive	Fluorite (CaF2; production-correlation supported)
L12	Biconvex Positive	J-FKH1 class (HIKARI exact nd/νd pair)
L13	Biconcave Negative	S-NBH8 class (OHARA exact nd/νd pair)
L14	Negative Meniscus	J-LASF016 (Hikari catalog equivalent; production supplier unspecified)
L15	Positive Meniscus	J-FKH1 class (HIKARI exact nd/νd pair)
L16	Positive Meniscus	J-LAFH3 class (HIKARI exact nd/νd pair)
L17	Biconcave Negative	J-BK7 (Hikari catalog equivalent; production supplier unspecified)
L18	Positive Meniscus	J-LAK18 (Hikari catalog equivalent; production supplier unspecified)
L21	Biconcave Negative	TAFD33 (Hoya catalog equivalent; production supplier unspecified)
L22	Biconcave Negative	J-FKH1 class (HIKARI exact nd/νd pair)
L23	Biconvex Positive	804238 very-dense flint class (catalog unresolved)
L24	Negative Meniscus	J-FKH1 class (HIKARI exact nd/νd pair)
L31	Positive Meniscus	J-LAK14 (Hikari catalog equivalent; production supplier unspecified)
L32	Biconvex Positive	J-FKH1 class (HIKARI exact nd/νd pair)
L33	Negative Meniscus	J-LASFH24 (Hikari catalog equivalent; production supplier unspecified)
L41	Negative Meniscus	S-LAH98 class (OHARA exact nd/νd pair)
L42	Biconvex Positive	J-SK12 (Hikari catalog equivalent; production supplier unspecified)
L43	Positive Meniscus	815233 dense flint class (catalog unresolved)
L44	Negative Meniscus	633315 flint class (catalog unresolved)
L45	Biconcave Negative	726548 lanthanum crown class (catalog unresolved)
L46	Negative Meniscus	S-LAH95 class (OHARA nd exact; Δνd = +0.03)
L47	Positive Meniscus	690570 crown class (catalog unresolved)
L48	Positive Meniscus	819287 dense flint class (catalog unresolved)
L49	Negative Meniscus	806418 lanthanum flint class (catalog unresolved)
L410	Biconvex Positive	627376 flint class (catalog unresolved)
L411	Biconvex Positive	J-FKH1 class (HIKARI exact nd/νd pair)
L412	Biconcave Negative	S-LAH99 class (OHARA nd exact; Δνd = +0.01)