NIKON AF MICRO-NIKKOR 200mm f/4D IF-ED — Optical Cross-Section & Ray Tracing

Home / Lenses / Nikon / NIKON AF MICRO-NIKKOR 200mm f/4D IF-EDNIKON AF MICRO-NIKKOR 200mm f/4D IF-EDUS 5,402,268↗ — Wataru Tatsuno
13 ELEMENTS / 8 GROUPS
f = 200.1457 mm
F/4.0
2ω = 12.33°
ALL SPHERICAL
Focus MechanismPUBLISHED focus endpoints from US 5,402,268 Example 1. G3 moves imageward while G2/G4 remain fixed; source d8 is represented as fixed S8.d plus variable STO.d. G1 is nonlinear: d5 is 6.6432 mm at infinity and 1:1 but 14.2044 mm at beta=-0.5, so the current endpoint-only prime schema cannot display its published mid-focus reversal. STO placement is inferred, not patent-published.
Optical Elements (13 physical)ElementTypeGlass
L11Negative Meniscus (convex to object)E-LAFH2 catalog equivalent (patent 804339; production supplier unspecified)
L12Biconvex PositiveJ-FKH1 catalog equivalent (patent 498826; production supplier unspecified)
L2Positive Meniscus (convex to object)J-FKH1 catalog equivalent (patent 498826; production supplier unspecified)
L31Negative Meniscus (convex to object)NBFD2 catalog equivalent (patent 796409; production supplier unspecified)
L32Positive Meniscus (convex to object)J-SK14 catalog equivalent (patent 603607; production supplier unspecified)
L41Negative Meniscus (convex to object)S-BSM10 catalog equivalent (patent 623570; production supplier unspecified)
L42Positive Meniscus (convex to object)E-LAFH2 catalog equivalent (patent 804339; production supplier unspecified)
L51Positive Meniscus (convex to image)S-TIH6 catalog equivalent (patent 805254; production supplier unspecified)
L52Biconcave NegativeJ-SK16 catalog equivalent (patent 620601; production supplier unspecified)
L61Negative Meniscus (convex to object)S-TIM28 catalog equivalent (patent 689311; production supplier unspecified)
L62Biconvex PositiveJ-SK16 catalog equivalent (patent 620601; production supplier unspecified)
L7Negative Meniscus (convex to image)M-TAF1 catalog equivalent (patent 773494; production supplier unspecified)
L8Positive Meniscus (convex to object)E-FEL1 catalog equivalent (patent 548459; production supplier unspecified)

Element	Type	Glass
L11	Negative Meniscus (convex to object)	E-LAFH2 catalog equivalent (patent 804339; production supplier unspecified)
L12	Biconvex Positive	J-FKH1 catalog equivalent (patent 498826; production supplier unspecified)
L2	Positive Meniscus (convex to object)	J-FKH1 catalog equivalent (patent 498826; production supplier unspecified)
L31	Negative Meniscus (convex to object)	NBFD2 catalog equivalent (patent 796409; production supplier unspecified)
L32	Positive Meniscus (convex to object)	J-SK14 catalog equivalent (patent 603607; production supplier unspecified)
L41	Negative Meniscus (convex to object)	S-BSM10 catalog equivalent (patent 623570; production supplier unspecified)
L42	Positive Meniscus (convex to object)	E-LAFH2 catalog equivalent (patent 804339; production supplier unspecified)
L51	Positive Meniscus (convex to image)	S-TIH6 catalog equivalent (patent 805254; production supplier unspecified)
L52	Biconcave Negative	J-SK16 catalog equivalent (patent 620601; production supplier unspecified)
L61	Negative Meniscus (convex to object)	S-TIM28 catalog equivalent (patent 689311; production supplier unspecified)
L62	Biconvex Positive	J-SK16 catalog equivalent (patent 620601; production supplier unspecified)
L7	Negative Meniscus (convex to image)	M-TAF1 catalog equivalent (patent 773494; production supplier unspecified)
L8	Positive Meniscus (convex to object)	E-FEL1 catalog equivalent (patent 548459; production supplier unspecified)