MEYER OPTIK GÖRLITZ DOUBLE-PLASMAT 135mm f/4.5 (patent model) — Optical Cross-Section & Ray Tracing

Home / Lenses / Meyer Optik Görlitz / MEYER OPTIK GÖRLITZ DOUBLE-PLASMAT 135mm f/4.5 (patent model)MEYER OPTIK GÖRLITZ DOUBLE-PLASMAT 135mm f/4.5 (patent model)GB 135,853 A↗, Example 2 — Paul Rudolph
6 ELEMENTS / 4 GROUPS
PATENT REPRESENTATION 135mm f/4.5
COMPUTED EFL 133.960 mm
MODELED f/4.465
ALL SPHERICAL
Focus MechanismThe patent gives one fixed prescription and no verified minimum focus distance. Bellows or camera-standard focusing is not modeled.
Optical Elements (6 physical)ElementTypeGlass
L3′Biconvex PositiveUnmatched (621569 — historical D-line crown-class coordinate; supplier unresolved)
L2′Biconcave NegativeUnmatched (540473 — historical D-line low-index flint / LLF-FEL-class coordinate; supplier unresolved)
L1′Positive MeniscusSSK2 (Schott) class (622532 — historical D-line SSK coordinate; catalog equivalent, supplier unresolved)
L1Positive MeniscusSSK2 (Schott) class (622532 — historical D-line SSK coordinate; catalog equivalent, supplier unresolved)
L2Biconcave NegativeUnmatched (540473 — historical D-line low-index flint / LLF-FEL-class coordinate; supplier unresolved)
L3Biconvex PositiveUnmatched (621569 — historical D-line crown-class coordinate; supplier unresolved)

Element	Type	Glass
L3′	Biconvex Positive	Unmatched (621569 — historical D-line crown-class coordinate; supplier unresolved)
L2′	Biconcave Negative	Unmatched (540473 — historical D-line low-index flint / LLF-FEL-class coordinate; supplier unresolved)
L1′	Positive Meniscus	SSK2 (Schott) class (622532 — historical D-line SSK coordinate; catalog equivalent, supplier unresolved)
L1	Positive Meniscus	SSK2 (Schott) class (622532 — historical D-line SSK coordinate; catalog equivalent, supplier unresolved)
L2	Biconcave Negative	Unmatched (540473 — historical D-line low-index flint / LLF-FEL-class coordinate; supplier unresolved)
L3	Biconvex Positive	Unmatched (621569 — historical D-line crown-class coordinate; supplier unresolved)