NIKON AI AF VR ZOOM-NIKKOR 80-400mm f/4.5-5.6D ED — Optical Cross-Section & Ray Tracing

Home / Lenses / Nikon / NIKON AI AF VR ZOOM-NIKKOR 80-400mm f/4.5-5.6D EDNIKON AI AF VR ZOOM-NIKKOR 80-400mm f/4.5-5.6D EDUS 6,141,156 A↗ — Masayuki Aoki
17 ELEMENTS / 11 GROUPS
80-400mm MARKETED (81.976-390.000mm EXAMPLE 4)
f/4.5-5.6 MARKETED (f/4.600-5.701 EXAMPLE 4)
6 FUNCTIONAL ZOOM GROUPS / G2B VR
CONSTRAINED 2.3 m G1 FOCUS
Focus MechanismCONSTRAINED_RECONSTRUCTION: G1 alone translates objectward to Nikon's 2.3 m minimum focus; code-solved shifts are 9.414818, 9.607815, and 9.700881 mm at 81.976, 200, and 390 mm; G2-G6 and IMG remain fixed.
Optical Elements (17 physical)ElementTypeGlass
L11aNegative Meniscus805254 - dense-flint class (vendor unresolved; vd=25.41)
L11bBiconvex PositiveJ-FKH1 catalog equivalent (patent 498825; production supplier unspecified)
L12Biconvex Positive487704 - low-dispersion crown class (vendor unresolved)
L21aPositive Meniscus805254 - dense-flint class (vendor unresolved; vd=25.41)
L21bBiconcave NegativeNBFD2 catalog equivalent (patent 796409; production supplier unspecified)
L22aBiconcave NegativeS-BSM81 catalog equivalent (patent 640600; production supplier unspecified)
L22bPositive MeniscusE-LAFH2 catalog equivalent (patent 804339; production supplier unspecified)
L23Biconcave NegativeJ-LASF017 catalog equivalent (patent 797454; production supplier unspecified)
L31Biconvex Positive487704 - low-dispersion crown class (vendor unresolved)
L32aBiconvex PositiveJ-FKH1 catalog equivalent (patent 498825; production supplier unspecified)
L32bNegative Meniscus773495 - lanthanum-flint class (vendor unresolved)
L41Negative Meniscus487704 - low-dispersion crown class (vendor unresolved)
L51aBiconvex Positive487704 - low-dispersion crown class (vendor unresolved)
L51bNegative Meniscus805254 - dense-flint class (vendor unresolved; vd=25.35)
L52Positive Meniscus487704 - low-dispersion crown class (vendor unresolved)
L61aBiconcave NegativeJ-LASF017 catalog equivalent (patent 797454; production supplier unspecified)
L61bPositive Meniscus805254 - dense-flint class (vendor unresolved; vd=25.35)

Element	Type	Glass
L11a	Negative Meniscus	805254 - dense-flint class (vendor unresolved; vd=25.41)
L11b	Biconvex Positive	J-FKH1 catalog equivalent (patent 498825; production supplier unspecified)
L12	Biconvex Positive	487704 - low-dispersion crown class (vendor unresolved)
L21a	Positive Meniscus	805254 - dense-flint class (vendor unresolved; vd=25.41)
L21b	Biconcave Negative	NBFD2 catalog equivalent (patent 796409; production supplier unspecified)
L22a	Biconcave Negative	S-BSM81 catalog equivalent (patent 640600; production supplier unspecified)
L22b	Positive Meniscus	E-LAFH2 catalog equivalent (patent 804339; production supplier unspecified)
L23	Biconcave Negative	J-LASF017 catalog equivalent (patent 797454; production supplier unspecified)
L31	Biconvex Positive	487704 - low-dispersion crown class (vendor unresolved)
L32a	Biconvex Positive	J-FKH1 catalog equivalent (patent 498825; production supplier unspecified)
L32b	Negative Meniscus	773495 - lanthanum-flint class (vendor unresolved)
L41	Negative Meniscus	487704 - low-dispersion crown class (vendor unresolved)
L51a	Biconvex Positive	487704 - low-dispersion crown class (vendor unresolved)
L51b	Negative Meniscus	805254 - dense-flint class (vendor unresolved; vd=25.35)
L52	Positive Meniscus	487704 - low-dispersion crown class (vendor unresolved)
L61a	Biconcave Negative	J-LASF017 catalog equivalent (patent 797454; production supplier unspecified)
L61b	Positive Meniscus	805254 - dense-flint class (vendor unresolved; vd=25.35)