Fujifilm X Lenses
44 interactive lens diagrams
Fujifilm APS-C mirrorless mount, introduced in 2012 | APS-C digital
Fujifilm X mount was designed for APS-C mirrorless cameras rather than adapted down from full-frame. The system began with the X-Pro1 and the first XF primes in 2012, so the image circle, register, and body size expectations were matched directly to the smaller sensor from the beginning.
That commitment lets many XF lenses balance compact size with relatively ambitious apertures. Fast normals, small wide angles, stabilized zooms, and telephotos can be designed around APS-C field angles instead of carrying excess full-frame coverage.
The mount has become a broad APS-C ecosystem covering fast primes, compact pancakes, high-end zooms, macro lenses, and long telephotos. In this catalog, X-mount designs are useful for seeing how modern optical correction changes when designers optimize the whole system around APS-C rather than scaling a full-frame formula.
Mount interface
Flange focal distance 17.7 mm, bayonet mount. 0° at 12 o'clock from the camera front; the lens-side view is the horizontal mirror. Dotted strokes mark photo-scaled or schematic (not-to-scale) dimensions.
Throat / openingMount ringBayonet lug / slotLock pin / notchIndex markElectrical contactScrews / sealsDatum & axis
CARL ZEISS TOUIT MAKRO-PLANAR T* 50mm f/2.8 Macro— 14 elements / 11 groups, f' = 51.52 mm patent design, FNo. = 2.88 patent designFUJIFILM FUJINON XF 10-24mm f/4 R OIS— 14 ELEMENTS / 10 GROUPS, 10.33–23.36 mm DESIGN RANGE, f/4.12 DESIGN APERTUREFUJIFILM FUJINON XF 100-400mm f/4.5-5.6 R LM OIS WR— 100-400mm, f/4.5-5.6, 21 elements / 14 groupsFUJIFILM FUJINON XF 14mm f/2.8 R— 10 ELEMENTS / 7 GROUPS, 14 mm / 21 mm equivalent, F2.8 marketed / F2.88 modeledFUJIFILM FUJINON XF 16-50mm f/2.8-4.8 R LM WR— 11 ELEMENTS / 9 GROUPS, 16–50 mm, f/2.8–4.8FUJIFILM FUJINON XF 16-55mm f/2.8 R LM WR— 17 ELEMENTS / 12 GROUPS, f = 16.5 – 53.4 mm (PATENT) / 16 – 55 mm (MARKETED), F/2.88 – F/2.74 – F/2.89 (PATENT); F/2.8 CONSTANT (MARKETED)FUJIFILM FUJINON XF 16-55mm f/2.8 R LM WR II— 16 elements / 11 groups, f = 16.50–53.40 mm patent design, F2.8 marketed / F2.88 designFUJIFILM FUJINON XF 16-80mm f/4 R OIS WR— 16 ELEMENTS / 12 GROUPS, f = 16.5–77.8 mm, F/4FUJIFILM FUJINON XF 16mm f/1.4 R WR— 13 ELEMENTS / 11 GROUPS, 16 mm f/1.4 (MARKETED), f = 16.475660 mm / FNo = 1.44 (DESIGN)FUJIFILM FUJINON XF 16mm f/2.8 R WR— 10 ELEMENTS / 8 GROUPS, 16mm f/2.8 (production), f = 16.48mm, FNo = 2.88 (Example 3)FUJIFILM FUJINON XF 18-120mm f/4 LM PZ WR— 15 ELEMENTS / 12 GROUPS, DESIGN f = 18.5444-116.8236 mm, DESIGN F/4.04-4.11FUJIFILM FUJINON XF 18-135mm f/3.5-5.6 R LM OIS WR— 16 ELEMENTS / 12 GROUPS, MARKETED 18-135 mm f/3.5-5.6, PATENT DESIGN 18.50-130.78 mm f/3.61-5.81FUJIFILM FUJINON XF 18-55mm f/2.8-4 R LM OIS— 14 ELEMENTS / 10 GROUPS, PATENT f = 18.56–53.46 mm, PATENT FNo = 2.89–4.13FUJIFILM FUJINON XF 18mm f/1.4 R LM WR— 15 ELEMENTS / 9 GROUPS, 18 mm MARKETING / 17.8993 mm MODELED EFL, F/1.44 DESIGNFUJIFILM FUJINON XF 18mm f/2 R— 8 ELEMENTS / 7 GROUPS, f ≈ 18.8 mm, F/2.06FUJIFILM FUJINON XF 200mm f/2 R LM OIS WR— 19 ELEMENTS / 14 GROUPS, f = 200 mm (200.0 marketed, 194.01 design), F/2 (2.06 design)FUJIFILM FUJINON XF 23mm f/1.4 R— 11 ELEMENTS / 8 GROUPS, f ≈ 23.7 mm, F/1.4FUJIFILM FUJINON XF 23mm f/1.4 R LM WR— 15 elements / 10 groups, Patent f = 23.62 mm scaled to 23.00 mm, F1.4 nominal / patent FNo 1.44FUJIFILM FUJINON XF 23mm f/2 R WR— 10 elements / 6 groups, f = 22.377 mm design; 23 mm marketed, F2.06 design; F2 marketedFUJIFILM FUJINON XF 23mm f/2.8 R WR— 23mm, f/2.8, 8 elements / 6 groupsFUJIFILM FUJINON XF 27mm f/2.8— 7 ELEMENTS / 5 GROUPS, f = 27.81 mm DESIGN / 27 mm MARKETED, F/2.88 DESIGN / F/2.8 MARKETEDFUJIFILM FUJINON XF 30mm f/2.8 R LM WR Macro— 11 ELEMENTS / 9 GROUPS, DESIGN f = 29.109 mm, DESIGN F/2.9FUJIFILM FUJINON XF 33mm f/1.4 R LM WR— 33 mm APS-C standard prime, 15 elements / 10 groups, 3 ED elements / 2 aspherical elementsFUJIFILM FUJINON XF 35mm f/1.4 R— 8 ELEMENTS / 6 GROUPS, f ≈ 36.17 mm, F/1.45FUJIFILM FUJINON XF 35mm f/2 R WR— 9 ELEMENTS / 6 GROUPS, DESIGN f = 35.326 mm, DESIGN F/2.09FUJIFILM FUJINON XF 50-140mm f/2.8 R LM OIS WR— 23 ELEMENTS / 16 GROUPS, f = 50–140 mm (design 51.52–135.96 mm), F/2.8 CONSTANT (DESIGN F/2.88)FUJIFILM FUJINON XF 50mm f/1.0 R WR— 12 elements / 9 groups, 1 aspherical element (2 aspherical surfaces), 2 ED elementsFUJIFILM FUJINON XF 50mm f/2 R WR— 9 ELEMENTS / 7 GROUPS, 50 mm f/2 (MARKETED), f = 48.52 mm / F2.06 (DESIGN)FUJIFILM FUJINON XF 55-200mm f/3.5-4.8 R LM OIS— 14 ELEMENTS / 10 GROUPS, 6 FUNCTIONAL ZOOM GROUPS, DESIGN f = 56.70-194.34 mmFUJIFILM FUJINON XF 56mm f/1.2 R— 11 ELEMENTS / 8 GROUPS, f = 56.98 mm, F/1.25FUJIFILM FUJINON XF 56mm f/1.2 R WR— 13 elements / 8 groups, f = 54.453 mm design; 56 mm marketed, F1.2 marketed; FNo. 1.24 designFUJIFILM FUJINON XF 60mm f/2.4 R Macro— 10 ELEMENTS / 8 GROUPS, f = 61.06 mm (design), F/2.48 (design) · F/2.4 (marketed)FUJIFILM FUJINON XF 70-300mm f/4-5.6 R LM OIS WR— 17 ELEMENTS / 12 GROUPS, 70-300mm MARKETED / 72.053-291.097mm EXAMPLE 6, f/4-5.6 MARKETED / f/4.12-5.77 EXAMPLE 6FUJIFILM FUJINON XF 80mm f/2.8 R LM OIS WR Macro— 16 ELEMENTS / 12 GROUPS, f = 78.79 mm, F/2.88FUJIFILM FUJINON XF 8mm f/3.5 R WR— 12 ELEMENTS / 9 GROUPS, DESIGN f = 8.211 mm, DESIGN F/3.60FUJIFILM FUJINON XF 90mm f/2 R LM WR— 11 ELEMENTS / 8 GROUPS, f ≈ 87.5 mm (marketed 90 mm), F/2.06 (marketed F/2.0)LAOWA 65mm f/2.8 2× Ultra Macro APO— 14 ELEMENTS / 10 GROUPS, f ≈ 66.0 mm (design) / 65 mm (marketed), F/2.9 (design) / F/2.8 (marketed)SIGMA 10-18mm f/2.8 DC DN | Contemporary— 13 elements / 10 groups, 10.30-17.50 mm design EFL, F2.8 marketed; F2.92 patentSIGMA 16mm f/1.4 DC DN | Contemporary— 16 elements / 13 groups, f = 16.446 mm design; 16 mm marketed, F/1.46 design; F1.4 marketedSIGMA 17-40mm f/1.8 DC | Art— 17 elements / 11 groups, 4 SLD / 4 aspherical elements, f = 17.55–38.70 mm designSIGMA 23mm f/1.4 DC DN | Contemporary— 13 elements / 10 groups, f = 22.31 mm design; 23 mm marketed, F1.46 design; F1.4 marketedVILTROX AF 27mm f/1.2 PRO XF— 15 ELEMENTS / 11 GROUPS, f = 27.7066 mm (DESIGN), F/1.2VOIGTLÄNDER NOKTON 50mm f/1.2 X-Mount— 9 ELEMENTS / 8 GROUPS, f ≈ 48.5 mm, F/1.23VOIGTLÄNDER ULTRON 27mm f/2— 6 ELEMENTS / 4 GROUPS, PATENT f = 27.8000 mm, PATENT F/2.0441