Olympus Pen F

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Olympus Pen FT with 38mm/F1.8

The Olympus Pen F, Pen FT and Pen FV were very similar half-frame 35 mm single-lens reflex (SLR) cameras with interchangeable lenses produced by Olympus of Japan between 1963-1966 (Pen F), 1966-1972 (Pen FT) and 1967-1970 (Pen FV). The chief difference between them was that the Pen FT had an integrated light meter, while the F and FV did not.

Half frame meant that the camera used a 18×24 mm vertical (portrait) format, producing twice the pictures on a roll of 135 film as the regular 36×24 mm format. The smaller image format also allowed for a smaller camera and lenses, making the Pen F system one of the smallest SLR systems ever made; the Pentax Auto 110 was smaller, but with a much more limited range of lenses and accessories, and smaller 110 film.

These cameras were somewhat exceptional since they used a rotary focal-plane shutter, rather than the two-curtain focal-plane shutter commonly used in other SLRs. Since this one-piece shutter opens fully before it starts to close, it can synchronize to electronic flash at all shutter speeds.

Pen-F series cameras are occasionally modified to mount standard motion picture camera lenses for use as film test cameras with 35mm motion picture films. The Pen-F frame size is close to the 35mm motion picture Super 35 frame.

Lens manufactured for the Olympus Pen F System[edit]

Type Lens Foc.Leng.(mm)
F
35mm
equiv.
Angle of view Gr.-El. TTL-No. F/stop range Min. Focus Filter Weight
Wide G Zuiko AUTO W 20mm F3.5 28mm 73°  6-7 0-4 3.5–16 0.2m 43mm 145g
E Zuiko AUTO W 25mm F4 35mm 62° 5-5 0-4 4–16 0.25m 43mm 120g
G Zuiko AUTO W 25mm F2.8 35mm 62° 5-7 0-5 2.8–16 0.25m 43mm 160g
Standard F Zuiko AUTO S 38mm F1.8 55mm 43° 5-6 0-6 1.8–16 0.35m 43mm 135g
G Zuiko AUTO S 40mm F1.4 58mm 41° 6-7  0-6 1.4–16 0.35m 43mm 165g
H Zuiko AUTO S 42mm F1.2 60mm 39° 6-8  0-6 1.2–16 0.35m 49mm 255g
Telephoto G Zuiko AUTO T 60mm F1.5 85mm 28°  5-7 0-6 1.5–16 0.8m 49mm 270g
F Zuiko AUTO T 70mm F2 100mm 24° 5-6 0.5-7 2–22 0.8m 43mm 230g
E Zuiko AUTO T 100mm F3.5 140mm 17° 4-5 1-6 3.5–22 1.5m 43mm 250g
E Zuiko AUTO T
150mm F4 210mm 12° 4-5 1-5 4–22 1.7m 49mm 380g
Super Telephoto E Zuiko T 250mm F5 360mm 3-5 1-6 5–32*M 3.5m 58mm 800g
E Zuiko T 400mm F6.3 570mm 4-5 1-5 6.3–32*M 5m 72mm 1750g
Zuiko Mirror T 800mm F8 1150mm 4-5 - 8 16m 25.5mm 2400g
Zoom Zuiko AUTOZOOM 50–90mm F3.5 70–130mm 34–19° 8-10 0.5-4 3.5–16 1.5m 49mm 420g
Zuiko ZOOM 100–200mm F5 140–280mm 17-9° 9-12 1-6 5–32*M 1.7m 49mm 700g
Others E Zuiko AUTO S 38mm F2.8 55mm 43° 4-5 0-5 2.8–16 0.8m 43mm 70g
D Zuiko AUTO S 38mm F2.8 55mm 43° 3-4 0-5 2.8–16 0.35m 43mm 125g
E Zuiko AUTO MACRO 38mm F3.5 55mm 43° 4-5 0-4 3.5–16 0.156m 43mm 200g
  • *M=manual diaphragm

References[edit]