NIKON NIKKOR-SW 75mm f/4.5 — Optical Cross-Section & Ray Tracing

Home / Lenses / Nikon / NIKON NIKKOR-SW 75mm f/4.5NIKON NIKKOR-SW 75mm f/4.5JP S53-57028 A↗, Example 1 — Ikuo Mori
7 ELEMENTS / 4 GROUPS
MODELED EFL 74.998 mm
F/4.5
ALL-SPHERICAL
Focus MechanismInfinity prescription only. View-camera bellows focusing is outside this model; no minimum focus distance is specified.
Optical Elements (7 physical)ElementTypeGlass
L1Negative Meniscus573575 — barium crown coordinate class (vendor unresolved)
L2ABiconvex PositiveNBFD14 (HOYA) class (802444 lanthanum dense flint; Δnd −0.0005, Δνd −0.08; discontinued-glass equivalent, vendor unresolved)
L2BBiconcave Negative672388 — dense-flint/lanthanum coordinate class (vendor unresolved)
L2CPositive Meniscus520701 — low-index high-Abbe crown coordinate class (vendor unresolved)
L3APositive Meniscus607402 — barium flint (BAFD3 coordinate-compatible dispersion proxy; supplier unresolved)
L3BNegative Meniscus717295 — dense flint coordinate class (vendor unresolved)
L4Negative Meniscus734510 — lanthanum crown (TAC4 coordinate-compatible dispersion proxy; supplier unresolved)

Element	Type	Glass
L1	Negative Meniscus	573575 — barium crown coordinate class (vendor unresolved)
L2A	Biconvex Positive	NBFD14 (HOYA) class (802444 lanthanum dense flint; Δnd −0.0005, Δνd −0.08; discontinued-glass equivalent, vendor unresolved)
L2B	Biconcave Negative	672388 — dense-flint/lanthanum coordinate class (vendor unresolved)
L2C	Positive Meniscus	520701 — low-index high-Abbe crown coordinate class (vendor unresolved)
L3A	Positive Meniscus	607402 — barium flint (BAFD3 coordinate-compatible dispersion proxy; supplier unresolved)
L3B	Negative Meniscus	717295 — dense flint coordinate class (vendor unresolved)
L4	Negative Meniscus	734510 — lanthanum crown (TAC4 coordinate-compatible dispersion proxy; supplier unresolved)