NIKON AI AF-S NIKKOR ED 300mm f/2.8D IF — Optical Cross-Section & Ray Tracing

Home / Lenses / Nikon / NIKON AI AF-S NIKKOR ED 300mm f/2.8D IFNIKON AI AF-S NIKKOR ED 300mm f/2.8D IFUS 5,745,306 A↗ — Susumu Sato
11 ELEMENTS / 8 GROUPS
3 ED ELEMENTS
300mm f/2.8 (MARKETED)
f = 294.13 mm / F/2.88 (MODEL)
2.5 m MFD
Focus MechanismPUBLISHED internal focus: negative G2 translates imageward by 10.8239 mm; D10 increases 29.5505→40.3744 mm while D15 decreases 19.2807→8.4568 mm. The rear image spacing is fixed.
Optical Elements (11 physical)ElementTypeGlass
L11Biconvex PositiveJ-FKH1 catalog equivalent (patent 498825; production supplier unspecified)
L12Biconvex PositiveJ-FKH1 catalog equivalent (patent 498825; production supplier unspecified)
L13Biconcave NegativeTAF3D catalog equivalent (patent 804465; production supplier unspecified)
L14aNegative MeniscusH-LaF3B catalog equivalent (patent 744450; production supplier unspecified)
L14bBiconvex PositiveJ-FKH1 catalog equivalent (patent 498825; production supplier unspecified)
L21Biconcave NegativeJ-BK7A catalog equivalent (patent 517641; production supplier unspecified)
L22aPositive MeniscusE-LAFH2 catalog equivalent (patent 804339; production supplier unspecified)
L22bBiconcave NegativeS-BAL35 catalog equivalent (patent 589611; production supplier unspecified)
L31Biconvex PositiveJ-PKH1 catalog equivalent (patent 519700; production supplier unspecified)
L32Negative MeniscusJ-LAFH3 catalog equivalent (patent 795286; production supplier unspecified)
L33Positive MeniscusN-FK5 catalog equivalent (patent 487704; production supplier unspecified)

Element	Type	Glass
L11	Biconvex Positive	J-FKH1 catalog equivalent (patent 498825; production supplier unspecified)
L12	Biconvex Positive	J-FKH1 catalog equivalent (patent 498825; production supplier unspecified)
L13	Biconcave Negative	TAF3D catalog equivalent (patent 804465; production supplier unspecified)
L14a	Negative Meniscus	H-LaF3B catalog equivalent (patent 744450; production supplier unspecified)
L14b	Biconvex Positive	J-FKH1 catalog equivalent (patent 498825; production supplier unspecified)
L21	Biconcave Negative	J-BK7A catalog equivalent (patent 517641; production supplier unspecified)
L22a	Positive Meniscus	E-LAFH2 catalog equivalent (patent 804339; production supplier unspecified)
L22b	Biconcave Negative	S-BAL35 catalog equivalent (patent 589611; production supplier unspecified)
L31	Biconvex Positive	J-PKH1 catalog equivalent (patent 519700; production supplier unspecified)
L32	Negative Meniscus	J-LAFH3 catalog equivalent (patent 795286; production supplier unspecified)
L33	Positive Meniscus	N-FK5 catalog equivalent (patent 487704; production supplier unspecified)