NIKON AI AF ZOOM-NIKKOR 80-200mm f/2.8D ED — Optical Cross-Section & Ray Tracing

Home / Lenses / Nikon / NIKON AI AF ZOOM-NIKKOR 80-200mm f/2.8D EDNIKON AI AF ZOOM-NIKKOR 80-200mm f/2.8D EDUS 5,579,171 A↗ — Kenzaburo Suzuki, Masahiro Nakatsuji, Keiji Moriyama
16 ELEMENTS / 11 GROUPS
80-200mm f/2.8 (MARKETED)
80.944-196.000mm (MODELED)
3 ED ELEMENTS (PRODUCTION)
ALL-SPHERICAL PATENT EXAMPLE
Focus MechanismNO_INTERNAL_RECONSTRUCTION: US 5,579,171 A Example 3 publishes only infinity-focus zoom states. The 1.5 m value is Nikon's production MFD metadata; no internal close-focus spacings are invented.
Optical Elements (16 physical)ElementTypeGlass
L1Negative MeniscusS-TIH6 catalog equivalent (production supplier not established; patent 805254)
L2Biconvex PositiveJ-FKH1 catalog equivalent (production supplier not established; patent 498825)
L3Positive MeniscusJ-FKH1 catalog equivalent (production supplier not established; patent 498825)
L4Positive MeniscusS-TIM1 catalog equivalent (production supplier not established; patent 626357)
L5Biconcave NegativeS-BAL41 catalog equivalent (production supplier not established; patent 564607)
L6Biconcave NegativeJ-BK7A catalog equivalent (production supplier not established; patent 517641)
L7Positive MeniscusJ-SF6 catalog equivalent (production supplier not established; patent 805255)
L8Biconcave NegativeLAC8 catalog equivalent (production supplier not established; patent 713539)
L9Biconvex PositiveBALK3 catalog equivalent (production supplier not established; patent 518602)
L10Biconvex PositiveS-BAL41 catalog equivalent (production supplier not established; patent 564607)
L11Negative MeniscusE-LAF11 catalog equivalent (production supplier not established; patent 757316)
L12Positive MeniscusJ-FKH1 catalog equivalent (production supplier not established; patent 498825)
L13Positive MeniscusN-FK5 catalog equivalent (production supplier not established; patent 487704)
L14Negative MeniscusJ-SF6 catalog equivalent (production supplier not established; patent 805255)
L15Negative MeniscusH-LaF3B catalog equivalent (patent 744450; production supplier unspecified)
L16Biconvex PositiveJ-BASF6 catalog equivalent (production supplier not established; patent 668420)

Element	Type	Glass
L1	Negative Meniscus	S-TIH6 catalog equivalent (production supplier not established; patent 805254)
L2	Biconvex Positive	J-FKH1 catalog equivalent (production supplier not established; patent 498825)
L3	Positive Meniscus	J-FKH1 catalog equivalent (production supplier not established; patent 498825)
L4	Positive Meniscus	S-TIM1 catalog equivalent (production supplier not established; patent 626357)
L5	Biconcave Negative	S-BAL41 catalog equivalent (production supplier not established; patent 564607)
L6	Biconcave Negative	J-BK7A catalog equivalent (production supplier not established; patent 517641)
L7	Positive Meniscus	J-SF6 catalog equivalent (production supplier not established; patent 805255)
L8	Biconcave Negative	LAC8 catalog equivalent (production supplier not established; patent 713539)
L9	Biconvex Positive	BALK3 catalog equivalent (production supplier not established; patent 518602)
L10	Biconvex Positive	S-BAL41 catalog equivalent (production supplier not established; patent 564607)
L11	Negative Meniscus	E-LAF11 catalog equivalent (production supplier not established; patent 757316)
L12	Positive Meniscus	J-FKH1 catalog equivalent (production supplier not established; patent 498825)
L13	Positive Meniscus	N-FK5 catalog equivalent (production supplier not established; patent 487704)
L14	Negative Meniscus	J-SF6 catalog equivalent (production supplier not established; patent 805255)
L15	Negative Meniscus	H-LaF3B catalog equivalent (patent 744450; production supplier unspecified)
L16	Biconvex Positive	J-BASF6 catalog equivalent (production supplier not established; patent 668420)