HASSELBLAD HC 300mm f/4.5

US 2006/0209426 A1 Example 1 — Fujinon / Suzuki

9 ELEMENTS / 7 GROUPS
f ≈ 292.0 mm
F/4.66
2ω ≈ 13.4°
ALL SPHERICAL

Focus Mechanism

Inner focus — Group 20 (G21+G22 cemented doublet) translates rearward.

Optical Elements (9)

ElementTypeGlass
G11Pos. MeniscusS-BAH27 (OHARA)
G12Neg. MeniscusNBFD15 (HOYA, 806333 code)
G13Biconvex PositiveS-FPL53 (OHARA)
G14Pos. MeniscusS-BSM16 (OHARA)
G21Biconvex Positive (weak)S-TIH6 (OHARA)
G22Biconcave NegativeS-LAM2 (OHARA)
G31Neg. MeniscusS-LAM60 (OHARA)
G32Neg. MeniscusS-TIH6 (OHARA)
G33Pos. MeniscusNBFD15 (HOYA, 806333 code)

Analysis

Detailed analysis available in the interactive viewer above.