Mamiya K/L 180mm F/4.5 L-A

Short telephoto prime lens • Film era • Discontinued

Mamiya K/L 180mm F/4.5 L-A
  • Announced:
  • · No data
  • Production status:
  • ● Discontinued
  • Country of design:
  • · Japan
  • Original name:
  • · APO Mamiya K/L 1:4.5 f=180mm L
  • Class:
  • · Slow 6x7 medium-format short telephoto prime lens
  • · Professional model (Top class)
  • System:
  • · Mamiya RB67 (1970)

Model history (3)

■Mamiya-Sekor Z 180mm F/4.5 [W]A5 - 31.11m⌀77 1982 ●
■Mamiya-Sekor Z 180mm F/4.5 W-NA4 - 31.10m⌀77 ●
■Mamiya K/L 180mm F/4.5 L-AA4 - 31.10m⌀77 ●

Specification

Optical design:
Medium format 6x7
180mm
F/4.5
4 elements in 3 groups (Tessar)
Mamiya RB67 [111mm]
28.1°
Diaphragm mechanism:
Diaphragm type:
Automatic
Aperture control:
Aperture ring (Manual settings only)
Built-in leaf shutter:
Type:
Mechanical Seiko #1
Range of shutter speeds:
1 - 1/400 + T
Self-timer (V):
-
Shutter speed control:
Shutter speed ring
Flash sync mode:
X sync
Flash sync terminal:
Yes
Focusing:
1.10m
0.83m
1:3.85
Focusing modes:
Manual focus only
Manual focus control:
None; focusing from the camera
Physical characteristics:
930g
⌀92×112mm
Accessories:
Screw-type 77mm
Screw-type round
Not available

Sources of data

  • Mamiya interchangeable lenses for Mamiya RB67 Professional instructions.
  • Mamiya RB67 Pro-SD system accessories chart.
  • Mamiya medium format cameras booklet.
  • Mamiya medium format cameras booklet (PUB. 9012).
  • Mamiya medium format cameras booklet (PUB. 9022).
  • Mamiya RB67 Pro-SD booklet (13 ED., PUB. 2112).

Manufacturer description

The 180mm f/4.5 is a compact mid range telephoto lens, and the most popular telephoto for the 6x7cm format. It yields a good camera to subject distance, slight flattening of portrait subjects, and exceptional sharpness. Applications include portraiture, fashion, landscape telephotography and sports.

Mamiya K/L series

The third generation of lenses designed for Mamiya RB67 series medium format 6x7 SLR cameras. Introduced with the Mamiya RB67 Professional SD in 1990.

  • Newer designs optically identical to the RZ67 M series lenses;
  • Mechanical Seiko #1 leaf shutter;
  • All shutter speeds up to 1/400 sec. synchronized automatically for electronic flash;
  • Fully automatic diaphragm;
  • Multi-layer anti-reflection coating;
  • Standardized 77mm filter thread mount for optimized handling with accessories.

Other short telephoto prime lenses in the Mamiya RB67 system

■Mamiya RB67 mount (13)
Mamiya-Sekor 127mm F/3.8A5 - 3⌀77 1970 ●
Mamiya-Sekor NB 127mm F/3.8A5 - 3⌀77 1973 ●
Mamiya-Sekor C 127mm F/3.8A5 - 3⌀77 1974 ●
Mamiya K/L 127mm F/3.5 LA6 - 40.64m⌀77 1990 ●
Mamiya-Sekor C 150mm F/4 SFA5 - 30.86m⌀77 1977 ●
Mamiya K/L 150mm F/3.5 LA6 - 40.82m⌀77 ●
Mamiya-Sekor 180mm F/4.5A5 - 31.11m⌀77 1973 ●
Mamiya-Sekor C 180mm F/4.5A5 - 31.11m⌀77 1974 ●
Mamiya K/L 210mm F/4.5 APO LA7 - 51.43m⌀77 1990 ●
Mamiya-Sekor C 250mm F/4.5A5 - 41.85m⌀77 ●
Mamiya K/L 250mm F/4.5 L-AA5 - 41.85m⌀77 ●
Mamiya-Sekor 250mm F/4.5A5 - 41.85m⌀77 1970 ●
Mamiya K/L 250mm F/4.5 APO LA7 - 51.86m⌀77 1990 ●

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