SCHNEIDER-KREUZNACH CINEGON 10mm f/1.8 — Optical Cross-Section & Ray Tracing

Home / Lenses / Schneider-Kreuznach / SCHNEIDER-KREUZNACH CINEGON 10mm f/1.8SCHNEIDER-KREUZNACH CINEGON 10mm f/1.8US 3,038,379↗ — Wolfram Albrecht
9 ELEMENTS / 5 GROUPS
f = 10.02055 mm (MODELED)
F/1.8
2ω = 66° (PATENT)
BFD = 17.41406 mm (MODELED)
ALL-SPHERICAL
Focus MechanismNO_INTERNAL_RECONSTRUCTION — one fixed patent prescription; 0.2032 m is the period product listing's closest-focus specification only, with no authored internal focus motion.
Optical Elements (9 physical)ElementTypeGlass
L1Negative Meniscus744449 — N-LAF2 class (supplier unproven)
L2Positive Lens501564 — K10 class (supplier unproven)
L3Biconvex Positive740282 — SF3 class (supplier unproven)
L4Biconcave NegativeUnmatched (nd=1.5128, vd=57.2; public catalog identity unresolved)
L5Negative Meniscus673322 — SF5 class (supplier unproven)
L6Biconvex Positive569631 — H-ZK1 / PSK2 class (supplier unproven)
L7Biconvex Positive643581 — K-LaK6 / LAK6 class (supplier unproven)
L8Biconvex Positive540597 — N-BAK2 class (supplier unproven)
L9Negative Lens728284 — SF10 class (supplier unproven)

Element	Type	Glass
L1	Negative Meniscus	744449 — N-LAF2 class (supplier unproven)
L2	Positive Lens	501564 — K10 class (supplier unproven)
L3	Biconvex Positive	740282 — SF3 class (supplier unproven)
L4	Biconcave Negative	Unmatched (nd=1.5128, vd=57.2; public catalog identity unresolved)
L5	Negative Meniscus	673322 — SF5 class (supplier unproven)
L6	Biconvex Positive	569631 — H-ZK1 / PSK2 class (supplier unproven)
L7	Biconvex Positive	643581 — K-LaK6 / LAK6 class (supplier unproven)
L8	Biconvex Positive	540597 — N-BAK2 class (supplier unproven)
L9	Negative Lens	728284 — SF10 class (supplier unproven)