NIKON REFLEX-NIKKOR 1000mm f/11 — Optical Cross-Section & Ray Tracing

Home / Lenses / Nikon / NIKON REFLEX-NIKKOR 1000mm f/11NIKON REFLEX-NIKKOR 1000mm f/11US 3,507,556 Embodiment 1 — Nippon Kogaku / Shimizu
5 elements / 5 groups
f ≈ 1001.4 mm
Fixed f/11
2ω = 2°30′
All-spherical Mangin catadioptric
Focus MechanismManual focusing ring; the patent supplies only the infinity prescription, so close-focus variable spacing is not modeled.
Optical Elements (5)ElementTypeGlass
L1Plano-Convex PositiveK crown, 518/590 class (Hoya E-C3 / Ohara S-NSL3 equivalent)
M1Negative Meniscus, second-surface concave mirrorLight flint, 541/472 class (Hoya E-FEL2 / Ohara S-TIL2 equivalent)
M2Meniscus, second-surface convex mirrorLight flint, 548/459 class (LLF1 / Hoya E-FEL1 / Ohara S-TIL1 equivalent)
L2Biconcave NegativeBK7-family borosilicate crown, 517/642 class (BSC7 / H-K9L equivalent)
L3Biconvex PositiveSF13-family dense flint, 741/277 class (Hoya E-FD13 / Hikari J-SF13 equivalent)
AnalysisDetailed analysis available in the interactive viewer above.

Element	Type	Glass
L1	Plano-Convex Positive	K crown, 518/590 class (Hoya E-C3 / Ohara S-NSL3 equivalent)
M1	Negative Meniscus, second-surface concave mirror	Light flint, 541/472 class (Hoya E-FEL2 / Ohara S-TIL2 equivalent)
M2	Meniscus, second-surface convex mirror	Light flint, 548/459 class (LLF1 / Hoya E-FEL1 / Ohara S-TIL1 equivalent)
L2	Biconcave Negative	BK7-family borosilicate crown, 517/642 class (BSC7 / H-K9L equivalent)
L3	Biconvex Positive	SF13-family dense flint, 741/277 class (Hoya E-FD13 / Hikari J-SF13 equivalent)