KONICA HEXANON AR 24mm f/2.8 — Optical Cross-Section & Ray Tracing

Home / Lenses / Konica / KONICA HEXANON AR 24mm f/2.8KONICA HEXANON AR 24mm f/2.8JP 1980-087117 A↗, Example 1 — Toshiko Shimokura
8 ELEMENTS / 8 GROUPS
24mm
f/2.8
2ω = 84°
ALL-SPHERICAL
Focus MechanismNO_INTERNAL_RECONSTRUCTION: JP1980-087117 Example 1 publishes only the infinity prescription. The production minimum focus distance is 0.25 m from the film plane; no internal focus movement is modeled.
Optical Elements (8 physical)ElementTypeGlass
L1Positive Meniscus697555 — lanthanum crown class (source vendor unspecified)
L2Negative MeniscusS-BAL35 catalog-equivalent curve (patent 589611; production supplier unspecified)
L3Negative MeniscusS-BAL35 catalog-equivalent curve (patent 589611; production supplier unspecified)
L4Plano-Convex Positive785262 — dense flint class (source vendor unspecified)
L5Biconvex Positive697555 — lanthanum crown class (source vendor unspecified)
L6Biconcave Negative805254 — dense flint class (source vendor unspecified)
L7Positive MeniscusJ-LAK7R catalog-equivalent curve (patent 652586; production supplier unspecified)
L8Biconvex Positive697555 — lanthanum crown class (source vendor unspecified)

Element	Type	Glass
L1	Positive Meniscus	697555 — lanthanum crown class (source vendor unspecified)
L2	Negative Meniscus	S-BAL35 catalog-equivalent curve (patent 589611; production supplier unspecified)
L3	Negative Meniscus	S-BAL35 catalog-equivalent curve (patent 589611; production supplier unspecified)
L4	Plano-Convex Positive	785262 — dense flint class (source vendor unspecified)
L5	Biconvex Positive	697555 — lanthanum crown class (source vendor unspecified)
L6	Biconcave Negative	805254 — dense flint class (source vendor unspecified)
L7	Positive Meniscus	J-LAK7R catalog-equivalent curve (patent 652586; production supplier unspecified)
L8	Biconvex Positive	697555 — lanthanum crown class (source vendor unspecified)