MINOLTA MD TELE ROKKOR 135mm f/2.8 — Optical Cross-Section & Ray Tracing

Home / Lenses / Minolta / MINOLTA MD TELE ROKKOR 135mm f/2.8MINOLTA MD TELE ROKKOR 135mm f/2.8JP S51-62037 A↗ — Tamikazu Yamaguchi
4 ELEMENTS / 4 GROUPS
Computed f = 134.969 mm
F/2.8
PATENT FULL FIELD 18.2°
ALL SPHERICAL
Focus MechanismSingle infinity prescription. The 1.5 m minimum focus distance is production metadata; the patent provides no focus spacings, so no finite-focus travel is modeled.
Optical Elements (4 physical)ElementTypeGlass
L1Positive MeniscusK-LaK11 spectral proxy (Sumita; lanthanum crown; patent vd 58.5 retained versus catalog 57.3; supplier unconfirmed)
L2Positive MeniscusK-LaK11 spectral proxy (Sumita; lanthanum crown; patent vd 58.5 retained versus catalog 57.3; supplier unconfirmed)
L3Negative MeniscusSF1 spectral proxy (Schott; dense flint; production supplier unconfirmed)
L4Positive MeniscusUnmatched (patent nd=1.73300, νd=28.2)

Element	Type	Glass
L1	Positive Meniscus	K-LaK11 spectral proxy (Sumita; lanthanum crown; patent vd 58.5 retained versus catalog 57.3; supplier unconfirmed)
L2	Positive Meniscus	K-LaK11 spectral proxy (Sumita; lanthanum crown; patent vd 58.5 retained versus catalog 57.3; supplier unconfirmed)
L3	Negative Meniscus	SF1 spectral proxy (Schott; dense flint; production supplier unconfirmed)
L4	Positive Meniscus	Unmatched (patent nd=1.73300, νd=28.2)