MINOLTA MD 35mm f/2.8 — Optical Cross-Section & Ray Tracing

Home / Lenses / Minolta / MINOLTA MD 35mm f/2.8MINOLTA MD 35mm f/2.8US 3,936,153↗, Embodiment 1 — Toshinobu Ogura
5 ELEMENTS / 5 GROUPS
DESIGN f = 35 mm
DESIGN F/2.8
ALL SPHERICAL
PATENT f = 1 SCALED × 35
Focus MechanismThe patent gives the infinity state only, so no focus movement is modeled; 0.3 m is Minolta's stated minimum focus.
Optical Elements (5 physical)ElementTypeGlass
G1Negative MeniscusS-BAL3 (OHARA catalog equivalent; production supplier unspecified)
G2Biconvex PositiveUnmatched (lanthanum crown; printed 1.6583/58.5 recurs in Minolta patents but has no catalog row)
G3Biconcave NegativeFD8 (HOYA catalog equivalent; production supplier unspecified)
G4Positive MeniscusK-LaK10 (SUMITA catalog equivalent; production supplier unspecified)
G5Biconvex PositiveS-BSM16 (OHARA catalog equivalent; production supplier unspecified)

Element	Type	Glass
G1	Negative Meniscus	S-BAL3 (OHARA catalog equivalent; production supplier unspecified)
G2	Biconvex Positive	Unmatched (lanthanum crown; printed 1.6583/58.5 recurs in Minolta patents but has no catalog row)
G3	Biconcave Negative	FD8 (HOYA catalog equivalent; production supplier unspecified)
G4	Positive Meniscus	K-LaK10 (SUMITA catalog equivalent; production supplier unspecified)
G5	Biconvex Positive	S-BSM16 (OHARA catalog equivalent; production supplier unspecified)