NIKON AF-S DX NIKKOR 55-200mm f/4-5.6 G ED VR II — Optical Cross-Section & Ray Tracing

Home / Lenses / Nikon / NIKON AF-S DX NIKKOR 55-200mm f/4-5.6 G ED VR IINIKON AF-S DX NIKKOR 55-200mm f/4-5.6 G ED VR IIJPWO2015/141574A1 Example 2
13 elements / 9 groups
f = 56.61-194.07 mm design
F/4.12-5.78 design
2ω = 28.97°-8.29°; Y = 14.25 mm
1 ED element; all spherical
Internal focus; G3 VR group
Focus MechanismInternal focus by the L12+L13 cemented doublet in G1. The patent gives no close-focus spacing table, so this file models the published infinity-focus zoom positions.
Optical Elements (13)ElementTypeGlass
L11Biconvex PositiveBK7-class crown (517/639; Hikari legacy / current J-BK7A near-match)
L12Negative MeniscusJ-SF03 (Hikari)
L13Biconvex PositiveJ-FK5 (Hikari)
L21Biconcave NegativeJ-LAK14 (Hikari)
L22Positive MeniscusJ-SF6 (Hikari)
L23Biconcave NegativeJ-LASF016 (Hikari)
L31Biconvex PositiveJ-SK14 (Hikari)
L32Biconvex PositiveJ-FKH1 (Hikari) — ED
L33Biconcave NegativeJ-SF6 (Hikari)
L34Positive MeniscusJ-LASF021 (Hikari)
L35Biconcave NegativeJ-LASF02 (Hikari)
L36Biconvex PositiveJ-LASF016 (Hikari)
L37Negative MeniscusJ-LASF016 (Hikari)
AnalysisDetailed analysis available in the interactive viewer above.

Element	Type	Glass
L11	Biconvex Positive	BK7-class crown (517/639; Hikari legacy / current J-BK7A near-match)
L12	Negative Meniscus	J-SF03 (Hikari)
L13	Biconvex Positive	J-FK5 (Hikari)
L21	Biconcave Negative	J-LAK14 (Hikari)
L22	Positive Meniscus	J-SF6 (Hikari)
L23	Biconcave Negative	J-LASF016 (Hikari)
L31	Biconvex Positive	J-SK14 (Hikari)
L32	Biconvex Positive	J-FKH1 (Hikari) — ED
L33	Biconcave Negative	J-SF6 (Hikari)
L34	Positive Meniscus	J-LASF021 (Hikari)
L35	Biconcave Negative	J-LASF02 (Hikari)
L36	Biconvex Positive	J-LASF016 (Hikari)
L37	Negative Meniscus	J-LASF016 (Hikari)