Manufacturer web-site: https://fujifilm-x.com/global/products/lenses/xf50mmf2-r-wr/


Abbreviations
Super EBCMulti-layer Super Electron Beam 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
XFThe lens is designed for Fujifilm APS-C digital mirrorless cameras
RThe lens is equipped with aperture ring
WRDust-proof and Weather-Resistant lens.
Main info
AnnouncedJanuary 2017
Original nameFUJINON ASPHERICAL LENS SUPER EBC XF 50mm 1:2 R WR
SystemFujifilm X (2012)
ClassFast APS-C-format short telephoto prime lens
Optical design
Focal length50mm
Speed rangeF/2
Maximum formatAPS-C
MountFujifilm X
Diagonal angle of view31.8° (Fujifilm X APS-C)
Lens construction9 elements in 7 groups
1 aspherical low dispersion element
Internal focusing

Optical bench

35mm comparison
35mm equivalent focal length range76mm (in terms of field of view)
35mm equivalent speed rangeF/3 (in terms of depth of field)
Diaphragm
TypeAutomatic
Aperture controlAperture ring (manual settings + auto exposure setting)
Number of blades9 (rounded diaphragm opening)
Step size⅓EV (19 steps)
Maximal apertureƒ/2
Minimal apertureƒ/16
Focusing
Focus range0.39m–∞
Magnification ratio1:6.67
Focusing modesAutofocus, manual focus
Autofocus motorStepping motor
Manual focus controlFocusing ring
Focus mode selectorNone; focusing mode is set from the camera
Manual focus override in autofocus modeDetermined by the camera
Physical characteristics
Weight200g
Maximum diameter x Length⌀60×59.4mm
Weather sealingDust-proof and water-resistant barrel
Accessories
FiltersScrew-type, 46mm
Lens capFLCP-46
Lens rear capFLCP-001
Lens hoodBayonet-type petal-shaped
TeleconvertersNot compatible

Source of data:

  1. https://lens-db.com/fujifilm-super-ebc-fujinon-xf-50mm-f2-aspherical-r-wr-2017/
  2. https://fujifilm-x.com/global/products/lenses/xf50mmf2-r-wr/specifications/