CARL ZEISS JENA MC PANCOLAR 50mm f/1.8 — Optical Cross-Section & Ray Tracing

Home / Lenses / Carl Zeiss Jena / CARL ZEISS JENA MC PANCOLAR 50mm f/1.8CARL ZEISS JENA MC PANCOLAR 50mm f/1.8DD 77 830↗, sole example — Wolf Dannberg, Gerhard Risch
6 ELEMENTS / 5 GROUPS
DESIGN f = 100 mm (SCALED 0.5× TO 50 mm)
DESIGN F/1.8
ALL SPHERICAL
Focus MechanismThe model does not move. The patent gives no focus travel; the 1978 catalogue gives a close focus of 0.35 m.
Optical Elements (6 physical)ElementTypeGlass
IPositive MeniscusBASF8 (SUMITA catalog equivalent; production supplier unspecified)
IIBiconvex PositiveLAC12 (HOYA catalog equivalent; production supplier unspecified)
IIIBiconcave NegativeUnmatched (patent nd=1.5995, νd=35.2; no catalog row at these coordinates)
IVNegative MeniscusSF5 (Schott catalog equivalent; production supplier unspecified)
VPositive MeniscusLAC12 (HOYA catalog equivalent; production supplier unspecified)
VIBiconvex PositiveLAC12 (HOYA catalog equivalent; production supplier unspecified)

Element	Type	Glass
I	Positive Meniscus	BASF8 (SUMITA catalog equivalent; production supplier unspecified)
II	Biconvex Positive	LAC12 (HOYA catalog equivalent; production supplier unspecified)
III	Biconcave Negative	Unmatched (patent nd=1.5995, νd=35.2; no catalog row at these coordinates)
IV	Negative Meniscus	SF5 (Schott catalog equivalent; production supplier unspecified)
V	Positive Meniscus	LAC12 (HOYA catalog equivalent; production supplier unspecified)
VI	Biconvex Positive	LAC12 (HOYA catalog equivalent; production supplier unspecified)