Minolta MD 135mm f/2.8 — Optical Cross-Section & Ray Tracing

Home / Lenses / Minolta / Minolta MD 135mm f/2.8Minolta MD 135mm f/2.8US 4,214,816↗ — Tamikazu Yamaguchi
5 ELEMENTS / 5 GROUPS
135mm
f/2.8
18 DEG FULL FIELD
ALL-SPHERICAL
Focus MechanismNO_INTERNAL_RECONSTRUCTION: the patent publishes no focus-moving spacing state; 1.5 m is product MFD metadata only.
Optical Elements (5 physical)ElementTypeGlass
L1Positive MeniscusK-SK7 (SUMITA) — coordinate-compatible crown spectral proxy; supplier unspecified
L2Positive MeniscusS-LAL52 — coordinate-compatible lanthanum-crown spectral proxy; supplier unspecified
L3Negative Meniscus673322 / SF5-class (supplier unspecified)
L4Negative Meniscus755275 / SF4-class (supplier unspecified)
L5Positive Meniscus805254 / SF6-class (supplier unspecified)

Element	Type	Glass
L1	Positive Meniscus	K-SK7 (SUMITA) — coordinate-compatible crown spectral proxy; supplier unspecified
L2	Positive Meniscus	S-LAL52 — coordinate-compatible lanthanum-crown spectral proxy; supplier unspecified
L3	Negative Meniscus	673322 / SF5-class (supplier unspecified)
L4	Negative Meniscus	755275 / SF4-class (supplier unspecified)
L5	Positive Meniscus	805254 / SF6-class (supplier unspecified)