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Pros Pros
  • Fast and reliable autofocus
  • Lightweight and portable build
  • Excellent sharpness and image quality
  • Feature-rich design with customizable controls
  • Competitive pricing compared to rivals
Pros
  • Compact and lightweight construction
  • Sharp optical performance with high contrast
  • Effective autofocus and image stabilization
  • Constant f/2.8 maximum aperture
  • Weather-resistant design
Cons Cons
  • Lack of front filter threads due to fixed hood
  • Corner softness at various focal lengths
  • Presence of optical distortion and vignetting
  • Complexity of advanced features
Cons
  • Poorly positioned and overly sensitive aperture ring
  • Visible distortion and vignetting
  • Noticeable flare when shooting toward light sources
  • Soft corner sharpness at wide apertures
  • Inconsistent autofocus tracking on certain systems

Launch price Launch price $1,699 Launch price $799
Focal length & aperture Focal length & aperture 12-20mm f/2.8 Focal length & aperture 50-120mm f/2.8
Mount & coverage Mount & coverage Sony E, Nikon Z · Full-Frame Mount & coverage Sony E, Canon RF, Fujifilm X · APS-C
Stabilization Stabilization None Stabilization Optical IS, 6.5 stops (CIPA)
Close focus Close focus 18–28.2 cm (0.17x) Close focus 23.1–55.1 cm
Autofocus motor Autofocus motor VXD Autofocus motor —
Weight & size Weight & size 570g (1 lb 4.1 oz) · 90 x 119 mm (3.54 x 4.69 in) Weight & size 390g (13.8 oz) · 66.8 x 97 mm (2.63 x 3.82 in)
Filter thread Filter thread — Filter thread 55mm

Announcement date Announcement date July 15, 2026 Announcement date October 8, 2026
Launch MSRP Launch MSRP $1,699 Launch MSRP $799
Lens mount Lens mount Sony E, Nikon Z Lens mount Sony E, Canon RF, Fujifilm X
Image circle coverage Image circle coverage Full-Frame Image circle coverage APS-C
Lens type Lens type Zoom Lens type Zoom
Lens line / series Lens line / series Di III Lens line / series Contemporary

Elements Elements 17 Elements 18
Groups Groups 12 Groups 13
Special elements Special elements 1 XGM, 3 GM, 1 XLD, 3 LD Special elements 3 SLD, 1 FLD, 4 asph
Coatings Coatings AX Coating, BBAR-G2 Coating Coatings —
Front fluorine coating Front fluorine coating Yes Front fluorine coating —

Focal length (wide) Focal length (wide) 12mm Focal length (wide) 50mm
Focal length (tele) Focal length (tele) 20mm Focal length (tele) 120mm
Max aperture Max aperture f/2.8 Max aperture f/2.8
Minimum aperture Minimum aperture f/16 Minimum aperture f/22
Diaphragm blades Diaphragm blades 12 Diaphragm blades 11

Diagonal angle of view Diagonal angle of view 121° - 58° Diagonal angle of view 31.7° - 13.5°

Autofocus motor Autofocus motor VXD Autofocus motor —
Minimum focus distance Minimum focus distance 18–28.2 cm Minimum focus distance 23.1–55.1 cm
Maximum magnification Maximum magnification 0.17x Maximum magnification —
Focus mechanism Focus mechanism Internal focus Focus mechanism —

Optical stabilization (OIS) Optical stabilization (OIS) No Optical stabilization (OIS) Yes
OIS rating OIS rating — OIS rating 6.5 stops

Aperture ring Aperture ring Yes Aperture ring Yes
AF/MF switch AF/MF switch Yes AF/MF switch —

Weight Weight 570g (1 lb 4.1 oz) Weight 390g (13.8 oz)
Maximum diameter Maximum diameter 90mm (3.54 in) Maximum diameter 66.8mm (2.63 in)
Length Length 119mm (4.69 in) Length 97mm (3.82 in)
Weather sealing Weather sealing Full weather sealing Weather sealing Partial sealing
Internal zoom Internal zoom Yes Internal zoom —
Tripod collar Tripod collar Not supported Tripod collar —
Filter thread Filter thread — Filter thread 55mm

Lens hood Lens hood Integrated flower-shaped, included Lens hood —
Teleconverter compatibility Teleconverter compatibility Not supported Teleconverter compatibility —