FUJIFILM FUJINON XF 60mmF2.4 R Macro

US 2014/0247506 A1 EXAMPLE 1 — FUJIFILM / ORI

10 ELEMENTS / 8 GROUPS
f = 61.06 mm (design)
F/2.48 (design) · F/2.4 (marketed)
2ω = 25.4° (design) · 26.6° (marketed)
2 ASPHERICAL SURFACES · 1 ED ELEMENT

Focus Mechanism

Unit focus — entire G1 (L11–L17 + aperture stop) translates forward as a rigid unit; G2 fixed.

Optical Elements (10)

ElementTypeGlass
L11Plano-Convex PositiveS-FSL5 (OHARA)
L12Positive MeniscusS-BAL35 (OHARA)
L13Positive MeniscusS-LAL18 (OHARA)
L14Negative MeniscusDense flint (unidentified; nd/νd = 667/311)
L15Biconcave NegativeS-TIL27 (OHARA) — probable (νd corrected to ≈52.2; see header note)
L16Positive MeniscusS-FPL51 (OHARA) — ED glass
L17Pos. Meniscus (2× Asph)Lanthanum heavy flint (PGM, unidentified; nd/νd = 803/404)
L21Plano-Concave NegativeS-LAL18 (OHARA)
L22Positive MeniscusS-NSL3 (OHARA)
L23Biconvex PositiveS-LAH65V (OHARA) — very close match

Analysis

Detailed analysis available in the interactive viewer above.