NIKON AF MICRO-NIKKOR 60mm f/2.8 D

US 5,751,485 — Kenzaburo Suzuki

8 ELEMENTS / 7 GROUPS
DESIGN f = 59.9998 mm
F/2.82
2ω = 39.4°
1:1 CLOSE FOCUS

Focus Mechanism

Published focus states: G1 and G2 move toward the object; G3 remains fixed.

Optical Elements (8 physical)

ElementTypeGlass
L1Biconvex PositiveJ-LASFH2-class (coordinate-compatible spectral proxy; supplier unproven)
L2Positive MeniscusLAF3-class (coordinate-compatible spectral proxy; supplier unproven)
L3Negative MeniscusS-TIM1-class (coordinate-compatible spectral proxy; supplier unproven)
L4Biconcave NegativeE-FD15-class (coordinate-compatible spectral proxy; supplier unproven)
L5Biconvex PositiveS-LAL8-class (coordinate-compatible spectral proxy; supplier unproven)
L6Biconvex PositiveJ-LASFH2-class (coordinate-compatible spectral proxy; supplier unproven)
L7Biconvex PositiveS-TIM22-class (coordinate-compatible spectral proxy; supplier unproven)
L8Biconcave NegativeNBFD2-class (coordinate-compatible spectral proxy; supplier unproven)