CARL ZEISS HOLOGON 15mm f/8 (Contarex Hologon / Leica M)

DE 1,241,637 B — GLATZEL & SCHULZ / CARL ZEISS

3 ELEMENTS / 3 GROUPS
f ≈ 15.0 mm
F/8.0 (FIXED)
2ω = 110°
ALL SPHERICAL

Focus Mechanism

Unit focus — entire optical assembly translates on helicoid (Leica M version). Fixed focus at hyperfocal distance in Contarex version.

Optical Elements (3)

ElementTypeGlass
L_INegative MeniscusSF6 (Schott)
L_IIBiconvex Positive (internal stop)LAK8 (Schott)
L_IIINegative MeniscusSF6 (Schott)

Analysis

Detailed analysis available in the interactive viewer above.