Fujica X-mount

Fujica X-mount

The Fujica X-mount was a lens mount created by Fujifilm in the late 1970s and early 1980s for the new Fujica SLR lineup: AX-1, AX-3, AX-5, AX Multi, STX-1, STX-1N, STX-2, MPF105X, MPF105XN. It replaced the M42 screw mount used on their earlier SLRs.

The mount is a bayonet type, with a 65° clockwise lock, and a flange focal distance of 43.5 mm.[1]

With the advent of autofocus, the Fujica series of 35 mm SLR cameras was discontinued in 1985, rendering this mount obsolete.[2] Fuji would return to the SLR market in 2000 with a series of digital SLR cameras starting with the FinePix S1 Pro, but these were based on Nikon designs and used the autofocus version of the Nikon F-mount.

Fujifilm X-Fujinon lenses

Fujifilm introduced a line of twenty-seven X-Fujinon lenses with this mount as well as three X-Fujinar lenses, as listed in the following table. In the lens names, EBC indicates a multi-layer Electron Beam Coating.

X-Fujinon and X-Fujinar lenses for Fujica X-mount cameras[3][4]: 48 
NameImg FL (mm)ApConst. (grp/ele)Angle Min. focusDims. (Φ×L)Wgt.Filter (mm) Notes & refs.
Ultra wide and fisheye lenses
EBC X-Fujinon·F 16mm f/2.8 DM 16 f/2.8–168/12180° 0.2 m (0.7 ft) 74×56 mm (2.9×2.2 in)408 g (14.4 oz) (built-in) Full-frame fisheye
EBC X-Fujinon·SW 19mm f/3.5 DM 19 f/3.5–168/1196° 0.25 m (0.8 ft) 75×51 mm (3.0×2.0 in)265 g (9.3 oz) 72
Wide-angle lenses
EBC X-Fujinon·W 24mm f/2.8 DM 24 f/2.8–168/984° 0.25 m (0.8 ft) 61.5×45.5 mm (2.4×1.8 in)195 g (6.9 oz) 49
EBC X-Fujinon·W 28mm f/1.9 DM 28 1.9|22}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ??74° 0.3|m|ft|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? 62|*|41|mm|in|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ?160|g|oz}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? ?
X-Fujinar·W 28mm f/2.8 DM 28 2.8|22}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ??74° 0.3|m|ft|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? 62|*|41|mm|in|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ?160|g|oz}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? ?
EBC X-Fujinon·W 28mm f/3.5 DM 28 f/3.5–165/574° 0.3 m (1.0 ft) 61.5×41.0 mm (2.4×1.6 in)160 g (5.6 oz) 49
X-Fujinon·Z 29–47mm f/3.5~4.2 DM 29–47 f/3.5~4.2–228/874–50° 0.6 m (2.0 ft) 64.5×52.0 mm (2.5×2.0 in)285 g (10.1 oz) 55
EBC X-Fujinon·W 35mm f/1.9 DM 35 1.9|22}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ??63° 0.3|m|ft|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? 62|*|41|mm|in|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ?160|g|oz}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? ?
EBC X-Fujinon·W 35mm f/2.8 DM 35 f/2.8–166/763° 0.35 m (1.1 ft) 61.5×46.0 mm (2.4×1.8 in)190 g (6.7 oz) 49
Normal lenses
EBC X-Fujinon·Z 35–70mm f/2.8~3.7 DM 35–70 2.8~3.7|22}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ??63–35° 0.3|m|ft|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? 62|*|41|mm|in|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ?160|g|oz}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? ? with Macro
X-Fujinon·Z 43–75mm f/3.5~4.5 DM 43–75 f/3.5~4.5–227/754–32° 1.2 m (3.9 ft) 64.0×62.5 mm (2.5×2.5 in)310 g (11 oz) 49
EBC X-Fujinon 50mm f/1.2 DM 50 f/1.2–167/745° 0.45 m (1.5 ft) 66×50 mm (2.6×2.0 in)300 g (11 oz) 55
X-Fujinon 50mm f/1.6 DM 50 f/1.6–166/648° 0.6 m (2.0 ft) 61.5×36.5 mm (2.4×1.4 in)175 g (6.2 oz) 49
EBC X-Fujinon 50mm f/1.6 DM
X-Fujinon 50mm f/1.9 DM 50 1.9|22}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ??48° 0.3|m|ft|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? 62|*|41|mm|in|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ?160|g|oz}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? ?
X-Fujinon 50mm f/1.9 FM 50 1.9|22}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ??48° 0.3|m|ft|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? 62|*|41|mm|in|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ?160|g|oz}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? ?
X-Fujinon 55mm f/1.6 DM 55 f/1.6–164/543° 0.45 m (1.5 ft) 61.5×51.0 mm (2.4×2.0 in)275 g (9.7 oz) 49
EBC X-Fujinon 55mm f/1.6 DM
X-Fujinon 55mm f/2.2 55 f/2.2–164/443° 0.6 m (2.0 ft) 61.5×37.0 mm (2.4×1.5 in)130 g (4.6 oz) 49
EBC X-Fujinon·M 55mm f/3.5 DM 55 f/3.5–224/543° 0.24 m (0.8 ft) 61.5×53.5 mm (2.4×2.1 in)202 g (7.1 oz) 49 Macro
Portrait lenses
EBC X-Fujinon·Z 70–140mm f/4~4.5 DM 70–140 4~4.5|22}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ??35–18° 0.3|m|ft|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? 62|*|41|mm|in|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ?160|g|oz}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? ? with Macro
EBC X-Fujinon·Z 75–150mm f/4.5 DM 75–150 f/4.5–229/1233–16° 1.8 m (5.9 ft) 69.5×144.5 mm (2.7×5.7 in)715 g (25.2 oz) 62
X-Fujinar·Z 80–200mm f/3.8 DM 80–200 3.8|22}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ??? 0.3|m|ft|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? 62|*|41|mm|in|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ?160|g|oz}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? ?
EBC X-Fujinon·Z 85–225mm f/4.5 DM 85–225 f/4.5–229/1228–11° 1.6 m (5.2 ft) 71×155 mm (2.8×6.1 in)720 g (25 oz) 55
EBC X-Fujinon·T 100mm f/2.8 DM 100 f/2.8–224/524° 1.0 m (3.3 ft) 61.5×61.5 mm (2.4×2.4 in)245 g (8.6 oz) 49
EBC X-Fujinon·T 135mm f/2.5 DM 135 f/2.5–224/518° 1.5 m (4.9 ft) 67×83 mm (2.6×3.3 in)425 g (15.0 oz) 58
X-Fujinar·T 135mm f/2.8 DM 135 2.8|22}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ??18° 0.3|m|ft|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? 62|*|41|mm|in|1}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ?160|g|oz}}-->style="background: var(--background-color-interactive, #EEE); color: var(--color-base, black); vertical-align: middle; text-align: center; " class="table-Unknown" | ? ?
EBC X-Fujinon·T 135mm f/3.5 DM 135 f/3.5–224/418° 1.5 m (4.9 ft) 61.5×79.0 mm (2.4×3.1 in)290 g (10 oz) 49
Telephoto lenses
EBC X-Fujinon·T 200mm f/4.5 DM 200 f/4.5–225/512° 2.5 m (8.2 ft) 64.5×134.0 mm (2.5×5.3 in)490 g (17 oz) 49
EBC X-Fujinon·T 400mm f/4.5 400 f/4.5–454/56° 8 m (26 ft) 101.0×291.5 mm (4.0×11.5 in)1,940 g (4.3 lb) 49 Manual diaphragm

Not on that list are the following lenses:

The Fujinar lenses are:

The lens without a "DM" suffix are limited to aperture priority and manual exposure modes with the AX-5 SLR; program and shutter priority exposure modes are not available.

Accessories

There were some accessories that complied with Fujica X-mount:

  • The "mount adapter X-S and X-D" for M42 lenses.
  • Two extension tubes : X25 (25 mm) and X50 (50 mm).
  • The "auto bellows X" used with a 50 mm lens can provide 1 to 3× magnification. It can also be used with the "focusing rail X". The Fujica "slide copier X" mounted on the "focusing rail X" simplifies the copying of 135 film pictures.
  • The "macro cine copy X" is a macro lens with specific windows to take copies from 8 mm and 16 mm films.
  • The "microscope adapter X" to adapt the camera body to a microscope.
  • A "reverse adapter X", that can be mounted with an extension tube.
  • A classic "teleconverter 2X".
  • Fuji Photo Recorder back. This data back was interchangeable with the standard camera back and was equipped with a hand-writing pen that is inter-linked with a "light pen" for printing in data (up to 80 characters) in the bottom-left corner of the image. The back can be easily detached by pushing down on the hinge pin.

See also

References

  1. ↑ AX-1 owner's manual
  2. ↑ "Fujica X Mount Camera Bodies". Pentax-manuals.com. Retrieved 2016-03-04.
  3. ↑ "Four new cameras that are every thing an SLR series should be: Fujica AX-5/AX-3/AX-1/STX-1" (PDF). Fuji Photo Film Co., Ltd. Retrieved 20 April 2026 – via Pacific Rim Camera, Reference Library.
  4. ↑ "Fujica AX-3 Owner's Manual" (PDF). Fuji Photo Film Co., Ltd. Retrieved 20 April 2026 – via Pacific Rim Camera, Reference Library.
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