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Certified Keeper Sigma 15mm f/1.4 Fisheye DG DN Art
85 PixelMeter Score 13 reviews

Pros Pros
  • Robust, weather-sealed build quality
  • Exceptional image sharpness and contrast
  • Versatile features including aperture ring and tripod collar
  • Fast and accurate autofocus performance
  • Optimized for astrophotography with excellent coma control
Cons Cons
  • Large, heavy, and bulky physical design
  • High price point
  • Soft image quality at close focusing distances
  • Niche application and specialized use case
  • Incompatibility with standard front filters

Launch price Launch price $1,999
Focal length & aperture Focal length & aperture 15mm f/1.4
Mount & coverage Mount & coverage Sony E, L-Mount · Full-Frame
Stabilization Stabilization None
Close focus Close focus 38.5 cm (0.0625x)
Autofocus motor Autofocus motor HLA
Weight & size Weight & size 1360g (3 lb) · 104 x 159.9 mm (4.09 x 6.30 in)

Announcement date Announcement date March 14, 2024
Launch MSRP Launch MSRP $1,999
Lens mount Lens mount Sony E, L-Mount
Image circle coverage Image circle coverage Full-Frame
Lens type Lens type Fisheye
Lens line / series Lens line / series Art

Elements Elements 21
Groups Groups 15
Special elements Special elements 4 FLD, 3 SLD, 2 aspherical
Coatings Coatings Super Multi-Layer Coating
Front fluorine coating Front fluorine coating Yes

Focal length (wide) Focal length (wide) 15mm
Focal length (tele) Focal length (tele) 15mm
Max aperture Max aperture f/1.4
Minimum aperture Minimum aperture f/16
Diaphragm blades Diaphragm blades 11

Diagonal angle of view Diagonal angle of view 180°

Autofocus motor Autofocus motor HLA
Minimum focus distance Minimum focus distance 38.5 cm
Maximum magnification Maximum magnification 0.0625x
Focus mechanism Focus mechanism Internal focus

Optical stabilization (OIS) Optical stabilization (OIS) No

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

Weight Weight 1360g (3 lb)
Maximum diameter Maximum diameter 104mm (4.09 in)
Length Length 159.9mm (6.30 in)
Weather sealing Weather sealing Full weather sealing
Barrel material Barrel material TSC
Internal zoom Internal zoom Yes
Tripod collar Tripod collar Included

Lens hood Lens hood LC1040-01, included
Teleconverter compatibility Teleconverter compatibility Not supported