Mamiya-Sekor C 150mm F/4

Short telephoto prime lens • Film era • Discontinued

  • Announced:
  • · 1975
  • Production status:
  • ● Discontinued
  • Country of design:
  • · Japan
  • Original name:
  • · MAMIYA-SEKOR C 1:4 f=150mm
  • Class:
  • · Slow 6x4.5 medium-format short telephoto prime lens
  • · Professional model (Top class)
  • System:
  • · Mamiya M645 (1975)

Abbreviations

C Multi-layer anti-reflection coating is applied to the surfaces of lens elements. This anti-reflection coating increases light transmission, eliminates flare and ghosting, and maintains color consistence among all lens models.

Specification

Optical design:
Medium format 6x4.5
150mm
F/4
5 elements in 4 groups (Ernostar)
Mamiya M645 [63mm]
26.2°
Diaphragm mechanism:
Diaphragm type:
Automatic
Aperture control:
Aperture ring (Manual settings only)
6 (six)
Focusing:
1.50m
<No data>
Focusing modes:
Manual focus only
Manual focus control:
Focusing ring
Physical characteristics:
440g
⌀70×90.5mm
Accessories:
Screw-type 58mm
Built-in telescopic round
Not compatible

Sources of data

  • Mamiya-Sekor C interchangeable lenses instructions.
  • Mamiya-Sekor C interchangeable lenses for Mamiya M645 instructions (II).
  • Mamiya M645 instructions.
  • Mamiya M645 1000S booklet.
  • Mamiya M645J instructions.

Other short telephoto prime lenses in the Mamiya M645 system

■Mamiya M645 mount (10)
Mamiya-Sekor C 110mm F/2.8 NA5 - 51.20m⌀58 ●
Mamiya-Sekor C 110mm F/2.8A5 - 51.20m⌀58 1976 ●
Mamiya-Sekor C 145mm F/4 SFA7 - 51.50m⌀77 ●
Mamiya A 150mm F/3.8 N/LA5 - 51.50m⌀67 1992 ●
Mamiya-Sekor C 150mm F/3.5 NA5 - 51.50m⌀58 ●
Mamiya-Sekor C 150mm F/3.5A5 - 51.50m⌀58 1981 ●
Mamiya A 150mm F/2.8A6 - 41.50m⌀67 1996 ●
Mamiya A 200mm F/2.8 APOA7 - 52.50m⌀77 1996 ●
Mamiya-Sekor C 210mm F/4 NA5 - 42.50m⌀58 ●
Mamiya-Sekor C 210mm F/4A5 - 42.50m⌀58 1975 ●

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