KINOPTIK TEGEA 5.7mm f/1.8 — Optical Cross-Section & Ray Tracing

Home / Lenses / Kinoptik / KINOPTIK TEGEA 5.7mm f/1.8KINOPTIK TEGEA 5.7mm f/1.8US 3,037,426↗ — Edgard Hugues
12.70 mm FORMAT DIAGONAL
6 ELEMENTS / 6 GROUPS
PATENT EFL ≈ 5.797 mm
f/1.8
2ω = 103° (PATENT)
1 PARABOLOID SURFACE
16 mm CINEMA (MARKETED)
Focus MechanismFixed focus; no moving groups are modeled.
Optical Elements (6 physical)ElementTypeGlass
L1Plano-Concave Negative (1× Asph)N-LAK9-class (coordinate-compatible spectral proxy; supplier unproven)
L2Biconvex PositiveUnmatched (681320-class; no compatible catalog curve)
L3Biconvex PositiveN-SK16-class (coordinate-compatible spectral proxy; supplier unproven)
L4Biconcave NegativeUnmatched (732280-class; no compatible catalog curve)
L5Positive MeniscusN-SK16-class (coordinate-compatible spectral proxy; supplier unproven)
L6Biconvex PositiveN-SK16-class (coordinate-compatible spectral proxy; supplier unproven)

Element	Type	Glass
L1	Plano-Concave Negative (1× Asph)	N-LAK9-class (coordinate-compatible spectral proxy; supplier unproven)
L2	Biconvex Positive	Unmatched (681320-class; no compatible catalog curve)
L3	Biconvex Positive	N-SK16-class (coordinate-compatible spectral proxy; supplier unproven)
L4	Biconcave Negative	Unmatched (732280-class; no compatible catalog curve)
L5	Positive Meniscus	N-SK16-class (coordinate-compatible spectral proxy; supplier unproven)
L6	Biconvex Positive	N-SK16-class (coordinate-compatible spectral proxy; supplier unproven)